{"title":"Battery monitors","description":"\u003ch2\u003eBattery monitors: measuring actual bank autonomy on board\u003c\/h2\u003e\n\u003cp\u003eA battery monitor measures what a simple voltage reading does not: the current entering and leaving the bank, estimated state of charge, amp-hours consumed, battery voltage, and sometimes temperature. On a boat, it is the instrument that tells you whether you can spend a night at anchor, run an autopilot for several hours, or leave the fridge running without dropping the voltage too low.\u003c\/p\u003e\n\u003cp\u003eThis collection includes smart shunts, battery controllers, and dedicated displays for 12 V, 24 V, and 48 V banks. They complement the boat’s \u003ca href=\"\/en-gb\/collections\/batteries\"\u003ebatteries\u003c\/a\u003e, \u003ca href=\"\/en-gb\/collections\/bms-batteries\"\u003eBMS\u003c\/a\u003e, \u003ca href=\"\/en-gb\/collections\/relais-de-charge\"\u003echarge relays\u003c\/a\u003e, and \u003ca href=\"\/en-gb\/collections\/coupe-batteries\"\u003ebattery isolators\u003c\/a\u003e: they measure and alert, but do not replace electrical protection devices.\u003c\/p\u003e\n\n\u003ch2\u003eShunt, display, or sensor: three levels of monitoring\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart shunt\u003c\/strong\u003e: installed on the battery negative, it measures current accurately and calculates state of charge. It is the most reliable solution for monitoring a service bank.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDedicated display\u003c\/strong\u003e: useful when the crew needs to read autonomy without a phone, from the chart table or electrical panel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage\/temperature sensor\u003c\/strong\u003e: complements a Victron installation by sending voltage and temperature to compatible chargers or regulators, but does not measure current.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMain product families\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en-gb\/products\/victron-energy-smartshunt-300a-moniteur-batterie\"\u003eVictron SmartShunt 300 A\u003c\/a\u003e, \u003ca href=\"\/en-gb\/products\/victron-energy-shunt-500a-50mv-moniteur-batterie-bluetooth-vedirect\"\u003eSmartShunt 500 A\u003c\/a\u003e, \u003ca href=\"\/en-gb\/products\/victron-energy-smartshunt-1000a-moniteur-batterie\"\u003eSmartShunt 1000 A\u003c\/a\u003e, and \u003ca href=\"\/en-gb\/products\/victron-energy-smartshunt-2000a-moniteur-batterie\"\u003eSmartShunt 2000 A\u003c\/a\u003e: Bluetooth shunts without displays, readable via VictronConnect, sized according to the bank’s maximum current.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en-gb\/products\/victron-energy-indicateur-charge-bmv-712-smart-bluetooth\"\u003eVictron BMV-712 Smart\u003c\/a\u003e and \u003ca href=\"\/en-gb\/products\/victron-energy-bmv-712-black-smart-moniteur-batterie\"\u003eBMV-712 Black Smart\u003c\/a\u003e: monitors with LCD display and 500 A shunt, ideal when permanent reading at the panel is needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en-gb\/products\/blue-sea-m2-multimetre-dc-soc\"\u003eBlue Sea M2 DC with SoC\u003c\/a\u003e: OLED display with 500 A shunt, designed to monitor a service bank and multiple battery voltages in a marine environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en-gb\/products\/mastervolt-controleur-batterie-mastershunt-500-czone-nmea2000\"\u003eMastervolt MasterShunt 500 CZone\u003c\/a\u003e and \u003ca href=\"\/en-gb\/products\/mastervolt-battman-pro-controleur-batterie-12-24v-ip65\"\u003eBattMan Pro\u003c\/a\u003e: Mastervolt solutions for MasterBus, CZone\/NMEA 2000, or standalone installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en-gb\/products\/victron-energy-smart-battery-sense-long-range-capteur-batterie-sans-fil\"\u003eSmart Battery Sense\u003c\/a\u003e: wireless voltage\/temperature sensor to improve Victron charging, without replacing a true current-measuring shunt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to choose the shunt rating\u003c\/h2\u003e\n\u003cp\u003eThe shunt rating must cover the continuous current and peaks the bank can actually see. A small service bank without a large inverter can use a 300 A or 500 A shunt. A bank powering a powerful inverter, windlass, bow thruster, or heavy DC load must be sized higher, with consistent wiring and appropriate fuses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e300 to 500 A\u003c\/strong\u003e: standard service bank, electronics, lighting, fridge, pump, small inverters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1000 A\u003c\/strong\u003e: larger bank, substantial charger-inverter, lithium architecture, or heavy DC consumers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2000 A\u003c\/strong\u003e: large architectures where peak currents and main distribution require a higher margin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat the monitor does not do\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eIt does not automatically disconnect a faulty lithium battery: that is the role of the \u003ca href=\"\/en-gb\/collections\/bms-batteries\"\u003eBMS\u003c\/a\u003e and isolation devices.\u003c\/li\u003e\n  \u003cli\u003eIt does not replace a \u003ca href=\"\/en-gb\/collections\/fusibles\"\u003efuse\u003c\/a\u003e or main battery isolator.\u003c\/li\u003e\n  \u003cli\u003eIt does not correct a misconfigured charge: battery parameters must match chemistry, capacity, and charging sources.\u003c\/li\u003e\n  \u003cli\u003eIt only provides reliable autonomy if battery capacity, tail current, charge efficiency, and synchronization are correctly set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon mistakes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRelying solely on battery voltage to estimate autonomy, especially with LiFePO4 where the voltage curve remains flat for a long time.\u003c\/li\u003e\n  \u003cli\u003eInstalling the shunt on a partial return path: all service bank current must pass through the shunt, otherwise state-of-charge calculations become inaccurate.\u003c\/li\u003e\n  \u003cli\u003eIgnoring permanent loads: routers, AIS, monitoring, relays, alarms, or NMEA 2000 can slowly drain a bank at anchor.\u003c\/li\u003e\n  \u003cli\u003eNever resynchronizing the monitor after changing capacity or replacing batteries.\u003c\/li\u003e\n  \u003cli\u003eChoosing a visible display but ignoring shunt accessibility, fuse placement, and measurement connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSkysat advice\u003c\/h2\u003e\n\u003cp\u003eOn a cruising sailboat or a boat with extensive electronics, the battery monitor is one of the first instruments to install properly. It turns a vague sense of autonomy into usable data: instantaneous current, consumption per night, actual available capacity, alternator efficiency, and solar yield.\u003c\/p\u003e\n\u003cp\u003eFor a lithium bank or complex architecture, we always separate functions: the BMS protects, the shunt measures, the battery isolator isolates, and the fuse protects the cable. A good monitor makes the system understandable to the crew and simplifies diagnosis before a failure becomes an emergency.\u003c\/p\u003e","products":[{"product_id":"bep-panneau-gestion-batterie-16-disjoncteurs-unipolaires","title":"Battery management panel with 16 single-pole circuit breakers","description":"\u003cp\u003e\n    Designed for continuous DC power distribution in marine systems, the \u003cstrong\u003eBEP 800-MS3 battery management panel\u003c\/strong\u003e provides a centralized solution for 16 circuits. This panel integrates Airpax magneto-hydraulic single-pole circuit breakers, known for their reliability in marine environments and their \"trip-free\" design that prevents forced activation in case of overload. It is ideal for vessels requiring robust and direct management of their DC loads.\n\u003c\/p\u003e\n\n\u003ch3\u003eElectrical capabilities and configuration\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eBEP 800-MS3\u003c\/strong\u003e features 16 load circuits, with typical circuit breaker configurations including a mix of 5A, 10A, 15A, 20A, and 25A to suit various equipment. Operating at a nominal voltage of 12V, it can be adapted to 24V systems by adding a resistor. The maximum capacity per bus or total amperage is 160A, ensuring efficient power management. Some models may include a 12 or 6-way negative bus.\n\u003c\/p\u003e\n\n\u003ch3\u003eMarine design and integration\u003c\/h3\u003e\n\u003cp\u003e\n    Made from powder-coated marine-grade aluminum, this panel resists corrosion and demanding marine conditions. Its Contour design is complemented by LED-backlit green labels for nighttime visibility, and red LEDs indicate the \"on\" status of each system. Compared to fully digital solutions such as those from CZone (also part of the Navico group), the \u003cstrong\u003eBEP 800-MS3\u003c\/strong\u003e offers a more traditional and mechanical approach to power management, prioritizing simplicity and robustness in direct circuit control. It serves as a fundamental component for DC distribution, compliant with ABYC electrical safety standards.\n\u003c\/p\u003e","brand":"BEP Marine","offers":[{"title":"Default Title","offer_id":53723751547220,"sku":"800-MS3","price":1064.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main_c9f3a80c-a0ea-4be9-b4c3-5ded71b1cb12.jpg?v=1779464574"},{"product_id":"digital-yacht-controleur-batterie-bm100-nmea-2000","title":"Battery monitor for NMEA 2000 network","description":"\u003cp\u003e\n    Designed for full integration of energy management aboard, the BM100 battery monitor from Digital Yacht is a monitoring solution dedicated to NMEA 2000 networks. This system combines a Victron Energy SmartShunt, known for its accuracy, with a Digital Yacht-developed veKonvert NMEA 2000 interface acting as a universal gateway for VE.Direct data. The BM100 allows detailed battery information to be displayed on any compatible NMEA 2000 multifunction display (MFD), regardless of brand—Garmin, Raymarine, Furuno, or Navico.\n\u003c\/p\u003e\n\u003ch3\u003eAccurate Monitoring and NMEA 2000 Integration\u003c\/h3\u003e\n\u003cp\u003e\n    The BM100 provides precise measurements of voltage, current, and DC capacity for 12V, 24V, and 48V systems. It delivers real-time data such as battery voltage, charge\/discharge current, state of charge (SoC), time remaining before depletion, and historical data including deepest discharge and number of charge\/discharge cycles. In addition to the included 500A SmartShunt, 1000A and 2000A versions are available for more demanding systems. The system is self-powered via the NMEA 2000 bus, simplifying installation.\n\u003c\/p\u003e\n\u003ch3\u003eExtended Connectivity and Advanced Features\u003c\/h3\u003e\n\u003cp\u003e\n    In addition to integration with MFDs via NMEA 2000, the BM100 offers wireless Bluetooth connectivity, enabling detailed monitoring and analysis on smartphones or tablets. Configurable alarms for low voltage and low capacity can be set up. The monitor can also track the voltage of a secondary battery, such as a starter battery. Installation is simplified by a \"plug 'n play\" approach, though an adapter cable may be required for non-standard NMEA 2000 networks, such as Raymarine’s SeaTalkNG (P\/No A06045). Internal DIP switches allow precise binary configuration (e.g., 0=0000 to 15=1111). The system indicates its status via LEDs (Power, N2K, VE.Dir, Error).\n\u003c\/p\u003e","brand":"Digital Yacht","offers":[{"title":"Default Title","offer_id":53723835728212,"sku":"ZDIGISSBM100","price":313.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main_86d0fd82-eda9-4830-bf32-0f1db8d0cdc3.webp?v=1779967495"},{"product_id":"victron-energy-smartshunt-ip65-500a-controleur-batterie","title":"SmartShunt IP65 500A Battery Controller","description":"\u003cp\u003e\n    Conçu pour la surveillance précise de l'état des batteries, le contrôleur de batterie \u003cstrong\u003eSmartShunt IP65 500A\u003c\/strong\u003e de VICTRON ENERGY est une solution compacte sans écran intégré. Il utilise votre smartphone ou tablette comme interface d'affichage via l'application VictronConnect et une connexion Bluetooth, permettant l'accès à l'état de charge, au temps restant, aux informations historiques et à d'autres paramètres essentiels de la batterie.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntégration et Fonctionnalités Avancées\u003c\/h3\u003e\n\u003cp\u003e\n    Ce SmartShunt se distingue par sa capacité à s'intégrer dans des systèmes complexes grâce à son port VE.Direct, permettant une connexion directe à un appareil GX pour une surveillance et une gestion centralisées. Il offre également une entrée auxiliaire polyvalente, capable de surveiller la tension d'une seconde batterie, le point milieu d'un parc de batteries, ou de se connecter à une sonde de température optionnelle (ASS000100000). Sa plage d'alimentation de 6,5 à 70 VDC et sa faible consommation de courant (\u0026lt; 1mA) le rendent adapté à diverses configurations marines en 12V ou 24V.\n\u003c\/p\u003e\n\n\u003ch3\u003ePrécision et Robustesse\u003c\/h3\u003e\n\u003cp\u003e\n    Le modèle 500A du SmartShunt assure une mesure précise avec une exactitude de ±0,4 % pour le courant et ±0,3 % pour la tension. Il est conçu pour fonctionner dans une plage de température de -40 à +50 °C. Les bornes de connexion du shunt sont de type M10, garantissant une connexion électrique sécurisée. Alors que la documentation technique mentionne une catégorie de protection IP21 pour la gamme SmartShunt, le modèle spécifique SHU050150050 est désigné comme IP65, offrant une résistance accrue à l'eau et à la poussière pour les environnements marins. Ses dimensions sont de 46 x 120 x 54 mm pour un poids de 0,374 kg.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositionnement par rapport à la gamme BMV\u003c\/h3\u003e\n\u003cp\u003e\n    Comparé aux moniteurs de batterie BMV de la même marque, le SmartShunt offre une alternative simplifiée, idéale pour les installations où l'on souhaite réduire le câblage et l'encombrement, notamment l'absence d'un écran dédié. Il partage la plupart des fonctionnalités de surveillance essentielles mais ne dispose pas d'alarmes visuelles et sonores programmables ni d'un relais programmable, ce qui le rend pertinent pour les utilisateurs privilégiant la consultation via application mobile ou un système GX existant. Il enregistre les tendances de tension, courant, état de charge et entrée auxiliaire, permettant une analyse approfondie de l'historique de la batterie. La portée Bluetooth peut être réduite par la présence d'éléments métalliques ou d'eau, et dans ces cas, une optimisation de la connectivité peut être nécessaire.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":53723848868180,"sku":"SHU050150050","price":92.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main_d5fbf9a7-9bb0-4e19-91f7-845cb52ad41c.png?v=1772644585"},{"product_id":"victron-energy-indicateur-charge-bmv-712-smart-bluetooth","title":"BMV-712 Smart","description":"\u003cp\u003e\n    Designed for comprehensive monitoring of battery banks, the \u003cstrong\u003eBMV-712 Smart\u003c\/strong\u003e battery monitor from \u003cstrong\u003eVICTRON ENERGY\u003c\/strong\u003e features Bluetooth connectivity for simplified management and control via the VictronConnect app. This allows customization of settings, viewing of key data on a single screen, access to history, and software updates for the monitor directly from a smartphone or tablet, integrating the BMV-712 Smart into the Victron Energy Internet of Things (IoT) ecosystem.\n\u003c\/p\u003e\n\u003ch3\u003eInstallation and advanced features\u003c\/h3\u003e\n\u003cp\u003e\n    Installation of the \u003cstrong\u003eBMV-712 Smart\u003c\/strong\u003e is simplified by a quick-connect printed circuit board on the shunt. The monitor connects to the shunt via a standard 10-meter RJ12 telephone cable, and a 2-meter battery cable with fuse is also included. The kit includes a separate front panel for square or round screen appearance, a mounting ring for rear installation, and screws for front mounting. The device is rated IP55, indicating protection against dust and water jets, but is not intended for direct outdoor use.\n\u003c\/p\u003e\n\u003cp\u003e\n    This monitor stands out for its ability to monitor mid-point voltage of batteries connected in series, a critical function to prevent premature failure of an expensive bank due to a faulty cell or battery. To maximize the lifespan of series-connected lead-acid batteries, using a battery balancer such as the \u003cstrong\u003eVICTRON ENERGY\u003c\/strong\u003e BMS012201000 is recommended. The \u003cstrong\u003eBMV-712 Smart\u003c\/strong\u003e has extremely low current consumption, less than 1 mA (0.7 Ah per month at 12 V and 0.6 Ah per month at 24 V), which is particularly important for Li-ion batteries where deep discharge can cause irreversible damage. A bistable alarm relay is integrated, preventing increased current draw during an alarm.\n\u003c\/p\u003e\n\u003ch3\u003eMonitoring and system integration\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eVICTRON ENERGY BMV-712 Smart\u003c\/strong\u003e provides essential data such as battery voltage, current, power, consumed amp-hours, state of charge (SoC), and remaining time at current discharge rate. It offers programmable visual and audible alarms, as well as a programmable relay to cut non-critical loads or start a generator. The included 500 A quick-connect shunt has a shunt selection capacity up to 10,000 A. A VE.Direct communication port is present for integration with other Victron Energy equipment, such as GX devices (Color Control GX, Venus GX), enabling centralized monitoring and data storage on the VRM portal. The device stores a wide range of historical events, allowing evaluation of usage patterns and battery health. It accepts a wide input voltage range of 6.5 to 70 V and offers high current measurement resolution of 10 mA (0.01 A). An auxiliary input can measure the voltage of a second battery, temperature, or mid-point voltage, with corresponding alarm and relay settings. Measurement accuracy is ±0.4% for current and ±0.3% for voltage.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":53723861549396,"sku":"BAM030712000","price":127.63,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main_d0922b27-8c9d-4355-a6b2-5525a890ff13.jpg?v=1778604869"},{"product_id":"victron-energy-shunt-500a-50mv-moniteur-batterie-bluetooth-vedirect","title":"SmartShunt 500A\/50mV","description":"\u003cp\u003e\n    The \u003cstrong\u003eVictron Energy SmartShunt 500A\/50mV shunt\u003c\/strong\u003e is an all-in-one battery monitoring solution designed for systems requiring precise tracking without the bulk of a dedicated display. It differs from counterparts like the BMV-712 battery monitor by lacking an integrated display, programmable visual\/sound alarms, and a programmable relay, thus offering simplified installation and reduced wiring. Data access is via the VictronConnect app on a smartphone or tablet, connected via Bluetooth, displaying state of charge, remaining autonomy, and history.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and flexibility of the SmartShunt\u003c\/h3\u003e\n\u003cp\u003e\n    This \u003cstrong\u003eSmartShunt 500A\/50mV\u003c\/strong\u003e features a VE.Direct port for seamless integration with Victron GX devices, enabling centralized system management. Its versatile auxiliary input can monitor the voltage of a second battery (such as a starter battery), the midpoint of a battery bank, or connect an optional temperature sensor (ASS000100000). This flexibility makes it a key component for optimized monitoring of complex battery banks.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical performance and robustness\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eVictron Energy SmartShunt 500A\/50mV shunt\u003c\/strong\u003e operates within a supply voltage range of 6.5 to 70 VDC with current consumption below 1 mA. It supports battery capacities from 1 to 9999 Ah and functions in a temperature range of -40 to +50°C. Its compact dimensions (46 x 120 x 54 mm) and M10 connection bolts facilitate integration. It offers a measurement accuracy of ±0.01 A for current and ±0.01 V for voltage, with an IP21 protection rating for the standard version, and an IP65 version is available for harsher environments. The device compensates for the Peukert effect and improves charging efficiency by sharing data with connected chargers via VE.Smart Networking.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":53723863187796,"sku":"SHU500050100","price":20.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main_0b26e2d0-187d-4a2f-99ed-48e4b9fcd6e4.jpg?v=1778607803"},{"product_id":"mastervolt-battman-pro-controleur-batterie-12-24v-ip65","title":"BattMan Pro. Battery Controller","description":"\u003ch3\u003ePrecise monitoring with the BattMan Pro battery monitor from Mastervolt\u003c\/h3\u003e\n\u003cp\u003eThe Mastervolt BattMan Pro battery monitor is a high-precision measurement instrument designed for 12V and 24V DC systems. Unlike the Lite version, the Pro model displays the estimated remaining time and retains a detailed history of specific battery events. With its IP65-rated 64 mm diameter waterproof display, it integrates perfectly on a navigation console while resisting demanding marine environments. It allows monitoring of two battery banks simultaneously: full monitoring for the service bank (voltage, current, ampere-hours, capacity) and voltage monitoring for the starter battery.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical performance and installation\u003c\/h3\u003e\n\u003cp\u003eThis monitor comes with a 500 A \/ 50 mV shunt, ensuring current measurement accuracy of ± 0.4 % and voltage accuracy of ± 0.3 %. Its very low power consumption (8 mA at 12 V with backlight off) preserves your energy reserves. It includes a configurable potential-free alarm contact to alert you in case of undervoltage or critical capacity. Although it is not compatible with the MasterBus network (unlike the MasterShunt or EasyView display), the BattMan Pro stands as an extremely reliable standalone solution, directly competing with models such as the Victron BMV-712, with a clear and universal interface.\u003c\/p\u003e","brand":"Mastervolt","offers":[{"title":"Default Title","offer_id":53723878097236,"sku":"70405070","price":165.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main-square_9ee2332d-4b8b-4aaa-9c8b-d4da232b485e.jpg?v=1778053667"},{"product_id":"mastervolt-controleur-batterie-mastershunt-500-czone-nmea2000","title":"MasterShunt 500 CZone Battery Controller","description":"\u003cp\u003eThe Mastervolt MasterShunt 500 CZone battery monitor is an advanced digital monitoring interface designed to provide high-precision data on the state of your battery bank. Unlike traditional analog shunts, this model features native communication with MasterBus, CZone, and NMEA 2000 networks. It measures in real time voltage, charge and discharge current, state of charge (SOC), and remaining autonomy. Compatible with 12 V, 24 V, 36 V, and 48 V battery banks (Gel, AGM, lead-acid, or Lithium-Ion technologies), it supports a continuous current of 300 A, with peak capacities of up to 400 A for 10 minutes, 500 A for 5 minutes, and 600 A for 2 minutes.\u003c\/p\u003e\n\u003ch3\u003eAlgorithmic accuracy and automation\u003c\/h3\u003e\n\u003cp\u003eThe MasterShunt 500 CZone stands out from the standard model (reference 77020110, limited to the MasterBus environment) by its ability to integrate directly into a CZone ecosystem for total vessel automation. The state of charge is calculated dynamically by integrating the charge efficiency factor (C.E.F.) and Peukert’s exponent, ensuring a real and reliable data point. Its programming functions allow automated events to be triggered on the network, such as autonomous generator start when the state of charge reaches a critical threshold, or activation of specific alarms (low voltage, high voltage).\u003c\/p\u003e\n\u003ch3\u003eMechanical design and MasterConnect integration\u003c\/h3\u003e\n\u003cp\u003eDesigned for secure installation close to the batteries, the compact housing (150 x 150 x 65 mm, 0.7 kg) features IP21 insulation on DC connections. It integrates the MasterConnect system, facilitating direct physical coupling with a DC Distribution 500 module. This controller also offers unique protection flexibility: it is supplied with an internal busbar that can be removed and replaced directly with a main fuse of ANL or Class T type (not included), optimizing space, reducing voltage drops, and minimizing installation costs. Its standby power consumption is extremely low, limited to 23 mA in normal operation and less than 1 mA in eco mode.\u003c\/p\u003e","brand":"Mastervolt","offers":[{"title":"Default Title","offer_id":53723884159316,"sku":"77020115","price":274.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/u8w0ad3h_controleur-de-batterie-mastershunt-500.webp?v=1778088856"},{"product_id":"victron-energy-smartshunt-2000a-moniteur-batterie","title":"SmartShunt 2000A","description":"\u003cp\u003e\n    Designed for discreet and efficient monitoring of your battery bank, Victron Energy’s \u003cstrong\u003eSmartShunt 2000A\u003c\/strong\u003e is an all-in-one battery monitor without a dedicated display. It uses your smartphone or tablet as a display interface via the VictronConnect app, connected via Bluetooth. This approach minimizes clutter and wiring while providing full access to essential battery parameters.\n\u003c\/p\u003e\n\u003ch3\u003eComplete Monitoring and Integrated Connectivity\u003c\/h3\u003e\n\u003cp\u003e\n    The SmartShunt 2000A allows you to check state of charge, remaining autonomy, history, and many other detailed battery parameters. Its 2000A capacity makes it suitable for marine installations and embedded energy systems requiring high-current monitoring. The SmartShunt is also compatible with Victron Energy GX devices, such as the Color Control GX or the Cerbo GX, via a VE.Direct connection, enabling seamless integration into a broader energy management ecosystem. This connectivity ensures centralized data reporting and remote management via the VRM portal.\n\u003c\/p\u003e\n\u003ch3\u003eDifferentiation and Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to the BMV-712 battery monitor from the same brand, the SmartShunt stands out for its lack of a display and the integration of visual and audible alarm functions, as well as a programmable relay, which are absent on the SmartShunt. This simplification makes it ideal for installations where the monitor is hidden or where display is already handled by a GX device or smartphone. The SmartShunt features a VE.Direct port and a versatile auxiliary connection capable of monitoring a second battery, the midpoint voltage of a battery bank, or a temperature probe (optional probe). It operates within a supply voltage range of 6.5 to 70 VDC, with current consumption below 1 mA. Current measurement accuracy is ± 0.4%, and voltage accuracy is ± 0.3%. The 2000A model dimensions are 68 x 168 x 100 mm, with M10 shunt connection bolts. The SmartShunt has an IP21 protection rating. It logs voltage, current, state of charge, and auxiliary input data for 46 days, providing historical data for trend analysis. The two cables with 1A fuses for the '+' and starter battery\/midpoint connections are included.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":55786790322516,"sku":"SHU050220050","price":183.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01-hero-SmartShunt-2000A-50mV-front.jpg?v=1778604213"},{"product_id":"victron-energy-smartshunt-300a-moniteur-batterie","title":"SmartShunt 300A","description":"\u003cp\u003e\n    Victron Energy’s SmartShunt 300A is a comprehensive battery monitor designed for installations requiring discreet monitoring without a dedicated display. It turns your smartphone or tablet into a dashboard via the VictronConnect app, connected via Bluetooth.\n\u003c\/p\u003e\n\n\u003ch3\u003eConnectivity and Integration\u003c\/h3\u003e\n\u003cp\u003e\n    This battery monitor features Bluetooth connectivity and a VE.Direct port, allowing easy reading of all monitored battery parameters. These include state of charge, remaining time, and historical data. For deeper integration, the SmartShunt can be connected to a Victron Energy GX device via a VE.Direct cable, enabling centralized management of your energy system.\n\u003c\/p\u003e\n\n\u003ch3\u003eFeatures and Comparison\u003c\/h3\u003e\n\u003cp\u003e\n    The SmartShunt 300A serves as an alternative to the BMV-712 battery monitor for systems where wiring simplicity and space reduction are priorities. Unlike the BMV-712, it lacks programmable visual and audible alarms or a programmable relay. An auxiliary connection is available to monitor a second battery (input voltage 6.5–70 VDC), a battery bank midpoint, or to connect an optional temperature sensor (measurement range -20 to +50°C).\n\u003c\/p\u003e\n\n\u003ch3\u003eAccuracy and Robustness\u003c\/h3\u003e\n\u003cp\u003e\n    Designed to operate on a supply voltage range of 6.5 to 70 VDC with current consumption under 1 mA, the SmartShunt 300A handles battery capacities from 1 to 9999 Ah. It provides precise measurements with a resolution of ±0.01A for current (accuracy ±0.4%) and ±0.01V for voltage (accuracy ±0.3%). State of charge is measured with an accuracy of ±0.1%. Its compact dimensions of 44 x 120 x 44 mm and M8 connection bolts simplify installation. The protection rating is IP21, indicating resistance to vertical water splashes. Trend data (battery voltage, current, SoC, auxiliary input) is stored for 46 days.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":55786857431380,"sku":"SHU050130050","price":56.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01-hero-SmartShunt-300A-50mV-front-angle.jpg?v=1778604929"},{"product_id":"victron-energy-bmv-712-black-smart-moniteur-batterie","title":"BMV-712 BLACK Smart","description":"\u003cp\u003e\n    Designed for precise and comprehensive monitoring of battery banks, the \u003cstrong\u003eBMV-712 BLACK Smart\u003c\/strong\u003e battery monitor from Victron Energy integrates Bluetooth connectivity for intuitive management. It provides essential data such as voltage, current, power, consumed ampere-hours, and state of charge (SoC). The device also calculates the remaining time until full discharge under current load, offering deep insight into battery autonomy and health. Its low current consumption, under 1 mA (0.7 Ah\/month at 12 V, 0.6 Ah\/month at 24 V), is particularly beneficial for Li-ion batteries, minimizing the risk of damage during prolonged discharge.\n\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced features and connectivity of the BMV-712 Smart\u003c\/h3\u003e\n\u003cp\u003e\n    The BMV-712 Smart stands out with its VE.Direct communication port, enabling easy integration with other Victron Energy equipment such as Color Control GX or Venus GX, and access to the VRM portal for remote monitoring. Its built-in Bluetooth function makes the device compatible with the VictronConnect app, allowing customization of settings, real-time data visualization, access to 46 days of history (voltage, current, SoC, auxiliary input), and firmware updates via smartphone or tablet. This \"Smart\" approach simplifies installation and enhances overall system performance.\n\u003c\/p\u003e\n\n\u003ch3\u003eVersatile installation and monitoring\u003c\/h3\u003e\n\u003cp\u003e\n    Installation of the BMV-712 Smart is streamlined with a quick-connect printed circuit board on the included current shunt. The kit includes a 10-meter RJ12 cable and a 2-meter battery cable with fuse, requiring no additional components. Mounting options are provided, with a separate faceplate for square or round appearance, a mounting ring for rear installation, and screws for front installation. Beyond primary monitoring, the BMV-712 Smart features an auxiliary input to measure the voltage of a second battery, temperature, or mid-point voltage of a series bank. The latter is critical for identifying a failing cell or battery before it damages the entire bank. The device also includes a programmable latching relay for managing non-critical loads or starting a generator, and configurable visual and audible alarms for critical parameters. Its compatibility with shunts up to 10,000 A and a wide input voltage range of 6.5 to 70 VDC makes it adaptable to various configurations.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":55786920739156,"sku":"BAM030712200","price":108.33,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01-hero-BMV-712-Smart.jpg?v=1778605659"},{"product_id":"victron-energy-smartshunt-500a-ip21-moniteur-batterie","title":"Smartshunt 500A IP65","description":"\u003cp\u003e\n    The Victron Energy SmartShunt 500A IP21 is an all-in-one battery monitor designed for installations requiring precise monitoring without bulk. Unlike traditional BMV battery monitors such as the BMV-712, the SmartShunt has no built-in display, instead using your smartphone or tablet as the display interface via the VictronConnect app. This approach reduces wiring and simplifies integration into tight spaces.\n\u003c\/p\u003e\n\u003ch3\u003eConnectivity and Monitoring Functions\u003c\/h3\u003e\n\u003cp\u003e\n    This SmartShunt provides Bluetooth connectivity for direct access to battery parameters via the VictronConnect app. It allows you to view state of charge, remaining autonomy, and historical data. Alternatively, it can be connected to a Victron Energy GX device via a VE.Direct cable, such as the Color Control GX, for full integration into an energy management system. The SmartShunt features a VE.Direct port and an auxiliary connection for monitoring a second battery, midpoint monitoring, or connecting an optional temperature sensor (ASS000100000).\n\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications and Measurements\u003c\/h3\u003e\n\u003cp\u003e\n    The SmartShunt 500A IP21 operates on a supply voltage range of 6.5 to 70 VDC and consumes less than 1mA. It handles battery capacities from 1 to 9999 Ah and supports an operating temperature range of -40 to +50°C. Current measurements are accurate to ± 0.4% with a resolution of ± 0.01 A, and voltage measurements to ± 0.3% with a resolution of ± 0.01 V. The IP21 protection rating of this model indicates protection against solid objects larger than 12.5 mm and vertically falling water droplets. The shunt’s connection bolts are M10 for the 500A model, ensuring a robust connection.\n\u003c\/p\u003e\n\u003ch3\u003eDifferences with BMVs and System Integration\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to the BMV-712 battery monitor, the SmartShunt has no programmable visual or audible alarms or programmable relays. These functions are managed via the VictronConnect app or a GX device, offering increased flexibility for users preferring a digital interface. It logs trends in voltage, current, state of charge, and auxiliary input (temperature, midpoint deviation, or starter battery voltage) over 46 days. Bluetooth range may be affected by conductive elements; a solution is adding a VE.Direct Bluetooth dongle (ASS030536011) if necessary.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":55786999972180,"sku":"SHU065150050","price":82.83,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01-hero-SmartShunt-500A-50mV-front.jpg?v=1778606675"},{"product_id":"victron-energy-smart-battery-sense-long-range-capteur-batterie-sans-fil","title":"Smart Battery Sense long range (up to 10m)","description":"\u003cp\u003e\n    Victron Energy’s Smart Battery Sense long range is a wireless battery voltage and temperature sensor designed to optimize the performance of Victron MPPT solar chargers. It transmits critical data via the VE.Smart Network, a Bluetooth Smart-based wireless technology, allowing the charger to precisely adjust its charging parameters for maximum efficiency and extended battery life. Its extended range of up to 10 meters provides significant installation flexibility.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and ease of installation\u003c\/h3\u003e\n\u003cp\u003e\n    This device stands out for its straightforward installation. It comes with pre-crimped 10 mm (M10) eyelets and a T1A 250V inline fuse, attaching directly to the battery body via its self-adhesive strap. It can be connected to any individual battery within a bank. This Plug \u0026 Play approach minimizes installation time and complexity, making it accessible even to less experienced users. The 45 cm cables can be extended if necessary, provided the same or larger gauge is used.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositioning and compatibility of the Smart Battery Sense\u003c\/h3\u003e\n\u003cp\u003e\n    The Smart Battery Sense long range is an ideal solution for solar charging systems that would benefit from voltage and temperature monitoring without the complexity or cost of a more advanced battery management system. It is essential for installations equipped with Victron MPPT solar chargers. However, it is unnecessary—and even discouraged—in systems already controlled by a Color Control GX or Venus GX, which already include advanced monitoring functions. Similarly, installations with a BMV-712 battery monitor and an accessory temperature sensor do not require it. For a BMV-702 with an optional temperature sensor, a VE.Direct Bluetooth Smart dongle may serve as a wireless connectivity alternative. The Smart Battery Sense thus positions itself as a targeted and cost-effective solution for optimizing standalone MPPTs.\n\u003c\/p\u003e\n\n\u003ch3\u003eDetailed technical specifications\u003c\/h3\u003e\n\u003cp\u003e\n    Compact with dimensions of 14 x 38 x 38 mm, the sensor operates across a wide voltage range of 8V to 60V, with an absolute maximum of 65V. It functions in varied temperature conditions, from -10°C to +60°C. Its power consumption is extremely low, ranging from 0.2 mA to 0.3 mA at 24V or 48V in unconnected mode, and not exceeding 0.9 mA at 24V or 0.6 mA at 48V when actively connected to the VE.Smart network. This low consumption ensures minimal impact on battery discharge, even over the long term.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":55787004199252,"sku":"SBS050150200","price":32.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01-hero-Smart-BatterySense-long-range-front.jpg?v=1778606849"},{"product_id":"victron-energy-smartshunt-1000a-moniteur-batterie","title":"SmartShunt 1000A","description":"\u003cp\u003e\n    The Victron Energy \u003cstrong\u003eSmartShunt 1000A\u003c\/strong\u003e is an all-in-one battery monitor designed for installations requiring precise battery monitoring without the bulk of a dedicated display. It stands out with its \"no-screen\" approach, using the VictronConnect app on a smartphone or tablet via Bluetooth to display all essential monitoring data. This feature positions it as an optimized alternative to the BMV-712 battery monitor from the same brand, offering a more discreet solution with less wiring.\n\u003c\/p\u003e\n\n\u003ch3\u003eMonitoring Capabilities and Connectivity\u003c\/h3\u003e\n\u003cp\u003e\n    This model, with a 1000 A capacity, allows reading parameters such as state of charge, remaining autonomy (time to go), and data history. The SmartShunt is equipped with a VE.Direct port, enabling direct connection to a Victron Energy GX device for full integration into a larger system and data access via the VRM portal. It also includes an auxiliary connection for monitoring a second battery, tracking the midpoint of a battery bank, or connecting an optional temperature sensor.\n\u003c\/p\u003e\n\n\u003ch3\u003eAccuracy and System Integration\u003c\/h3\u003e\n\u003cp\u003e\n    The SmartShunt provides measurement accuracy of ±0.01 A for current and ±0.01 V for voltage, with an accuracy of ±0.4 % for current and ±0.3 % for voltage. It operates within a supply voltage range of 6.5 to 70 VDC and can handle battery capacities from 1 to 9999 Ah. Designed for simplified installation, it measures 68 x 168 x 75 mm and uses M10 shunt connection bolts. Unlike the BMV-712, it does not feature programmable visual\/audible alarms or a programmable relay, directing its use toward systems where notification via the app or a GX device is preferred.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":55787042963796,"sku":"SHU050210050","price":135.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01-hero-SmartShunt-1000A-50mV-front.jpg?v=1778607469"},{"product_id":"blue-sea-m2-multimetre-dc-soc","title":"Multimeter M2 DC with SoC","description":"\u003cp\u003e\n    Designed for precise energy management, the \u003cstrong\u003eM2 DC Multimeter with SoC 1830\u003c\/strong\u003e from BLUE SEA SYSTEMS is an OLED digital monitor that measures current, voltage, and state of charge (SoC) of batteries. It differs from the 1832 (ammeter) and 1833 (voltmeter) models in the same M2 OLED range by its ability to provide complete state-of-charge monitoring for a battery, while measuring the voltage of up to three battery banks and the current of one bank.\n\u003c\/p\u003e\n\n\u003ch3\u003eMeasurement and Display Capabilities\u003c\/h3\u003e\n\u003cp\u003e\n    This multimeter integrates a self-dimming 55 mm x 28 mm OLED screen, offering a 0.01V DC resolution and ± 1.0% accuracy for voltage. It operates on a 7V to 70V DC power range, compatible with 12V, 24V, 36V, and 48V systems. Current is measured over a range of -500A to 500A with the included 500A shunt, with programmable capacity up to 5000A via external shunts. Power consumption ranges from 0.3W to 1.0W.\n\u003c\/p\u003e\n\n\u003ch3\u003eFeatures and System Integration\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eM2 DC Multimeter with SoC 1830\u003c\/strong\u003e is equipped with 80dB (or 92dB depending on source) audible alarms for high current, high\/low voltage, and low battery thresholds. An isolated 500mA MOSFET relay is included for activating external circuits. The device is protected against powerful water jets (IP66) on its front face when mounted according to instructions. It enables continuous monitoring of state of charge, recording values every 15 minutes and restoring them after a power outage.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55861130232148,"sku":"1830-BSS","price":340.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_M2_DC_Multimeter_with_SoC_1830-BSS_-_Ref_6ee96e04.jpg?v=1779202869"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/collections\/b7b1b679b6b43be10c3731fb6cc8847f.png?v=1779963005","url":"https:\/\/skysat.fr\/en-gb\/collections\/battery-monitors.oembed","provider":"Skysat","version":"1.0","type":"link"}