Smart IP43 Charger 12/50 (1+1)
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Technical specifications
Technical specifications
| IP rating | IP43 (electronic components), IP22 (connection area) |
| Wired input | IEC 320 C14 (AC), VE.Direct, 2-pole terminals (remote on/off) |
| Wired network | VE.Direct |
| AC input voltage range | 85 – 250 VAC |
| Dimensions (W x H x D) | 249 x 180 x 116 mm |
| Supported battery chemistries | Lead-acid (flooded, AGM, Gel), Li-ion (LiFePO₄) |
| Bulk/absorption charge voltage | 14.4 |
| Charge algorithm | 6-stage adaptive charging (Bulk, Absorption, Recondition, Float, Storage, Refresh); 3 stages for Li-ion |
| Charge phases | Bulk, Absorption, Refurbishment, Float, Storage, Refresh |
| Cooling method | Natural convection |
| Max efficiency | 94.0 |
| Float voltage | 13.8 |
| Maximum AC input current | 10.0 |
| Max charge current (A) | 50.0 |
| Minimum DC cable cross-section | 16.0 |
| Mobile app compatibility | Oui |
| Mounting type | Wall mount (vertical) with integrated clamps |
| Nominal voltage | 12.0 |
| Operating temperature range | -20 to 60 °C (rated current up to 40 °C, derated by 20 % at 60 °C) |
| Output voltage | 12.0 |
| Power factor (Cos Phi) | 1.0 |
| Recommended fuse rating | 60.0 |
| Absorption voltage (High mode) | 14.7 |
| Absorption voltage (Li-ion) | 14.2 |
| AC input frequency range | 45-65 |
| Ac Input Full Power Voltage Min | 100 |
| Ac Input Startup Voltage Min | 90 |
| Reverse discharge current | 1 |
| Batterysafe Mode Support | Yes |
| Bluetooth Power Dbm | -4 |
| Charger Starter Battery Charge Current A | 4 |
| Charge Algorithm Presets Count | 3 |
| Charge Algorithm Programmable | Yes |
| Continuous power at 25°C | 600.0 |
| Continuous output power (40°C) | 600.0 |
| Float voltage (high mode) | 13.8 |
| Galvanic isolation | Oui |
| Humidity Operating Non Condensing | max 95 |
| Input voltage range | 85 – 250 VAC |
| Low current mode output | 25 |
| Marine-ready | Oui |
| Max Input Current Setting A | 3 – 10 |
| Nominal input voltage | 240.0 |
| Nominal output voltage | 12.0 |
| Power consumption at no load (W) | 1 |
| Number Of Battery Connections | 2 |
| Overload protection | Oui |
| Parallel connection | Oui |
| Peak power | 600.0 |
| Programmable Relay Ac Rating | 250 / 5 |
| Programmable Relay Dc Rating | 28 / 5 |
| Remote on/off support | Oui |
| Reverse polarity protection | Yes (via fuse) |
| Short-circuit protection | Oui |
| Storage Mode Support | Yes |
| Storage Voltage High | 13.2 |
| Storage voltage (Li-ion) | 13.5 |
| Storage voltage (normal mode) | 13.2 |
| Synchronized Charging Support | Yes |
| Thermal compensation rate | -16 |
| Variable Absorption Time Support | Yes |
| Ve Smart Networking Support | Yes |
| Voltage Drop Compensation Support | Yes |
| Weight | 2.7 |
| Wired output | 16 mm² (AWG6) screw terminals for main battery, 2-pole terminals for starter battery (max 4A), Programmable relay (SPDT) |
| Wireless connectivity | Bluetooth |
Detailed description
Detailed description
Designed for demanding marine applications, the Victron Energy Smart IP43 Charger 12/50 (1+1) 120/240V provides an intelligent charging solution for two battery banks. This model features a main 50-amp output dedicated to the service bank and a secondary output, limited to approximately 4 amps with a slightly lower voltage, specifically designed for maintaining a starting battery.
Adaptive charging technology and advanced connectivity
The Smart IP43 Charger integrates a 6-step adaptive charging algorithm: bulk, absorption, recondition, float, storage, and refresh. This system automatically manages the charging process based on battery usage, optimizing absorption time to prevent overcharging during shallow discharges or ensuring a full charge after deep discharges. The BatterySafe mode prevents excessive gassing by limiting voltage increase, while the Storage mode reduces float voltage to 13.2 V to minimize gassing and corrosion when the battery is unused for 24 hours, with weekly equalization. This charger is compatible with Li-ion batteries (LiFePO₄), offering a programmable charging algorithm via Bluetooth or VE.Direct, with specific absorption and storage steps for this technology.
System integration and flexibility
Integrated Bluetooth Smart connectivity enables wireless configuration, monitoring, control, updates, and synchronization via the VictronConnect app. The charging algorithm is fully programmable via Bluetooth or the VE.Direct interface. The latter allows wired connection to a GX device such as the Cerbo GX, or to a PC, also providing remote Instant Readout via VRM. The charger supports external voltage and temperature sensing via Bluetooth through the VE.Smart Networking with devices like the Smart Battery Sense, SmartShunt, or BMV-712 Smart Battery Monitor, improving charging accuracy. A programmable relay is also available to trigger alarms or other events. With a maximum efficiency of 94% and a power factor of 1, this charger ensures optimized energy conversion.
Robust design and protections
The Smart IP43 Charger 12/50 (1+1) is designed to withstand marine environments. The IP43 protection rating safeguards electronic components against water splashes. Unlike the (3) models in the same range that offer three full-power outputs, the (1+1) model is optimized for setups where the starting battery requires maintenance current rather than full-power fast charging.
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