Mentinator de baterie Sterling Power 24/12V 1A

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Sterling

BM24121

Mentinator de baterie Sterling Power 24/12V 1A

Conçu pour les systèmes marins et véhicules de loisirs, le mainteneur de batterie Sterling Power BM24121 maintient une batterie auxiliaire 12V chargée à partir d'un parc principal 24V DC. Avec sa technologie FET à faible consommation (<1 mA) et un courant de sortie de 1A, il prévient la décharge profonde sans surcharger. Ce mainteneur est une solution simple et efficace pour prolonger la durée de vie des batteries secondaires, livré avec 1 mètre de câble.

Prix publicBénéficier du tarif pro

150,00€

TTC Expediere calculată la momentul plății.

Stoc redus

Point relais offert dès 150€ en France
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Installation sur mesure

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Caractéristiques techniques

Proiectat pentru mediu marin	Oui
Metoda de răcire	Passif
Tensiune de intrare nominală	24.0
Interval tensiune intrare	20V - 30V
Tensiune de ieșire nominală	12.0
Putere continuă la 25°C	12.0
Putere de ieșire continuă (40°C)	12.0
Protecție împotriva scurtcircuitelor	Oui
Protecție împotriva suprasarcinilor	Oui
Application Environment	Marin, Véhicules de loisirs
Battery Maintenance Purpose	Compensation autodécharge, Maintien de charge optimal
Certificări	CE
Culoare	Noir
Topologie a convertorului	Convertisseur abaisseur (Buck) à FET
Input Activation Voltage	26.6
Tip conexiune intrare	Bornes à vis
Calitate marină	Oui
Material	Plastique ABS
Curent de ieșire	1.0
Putere de ieșire maximă	12.0
Tensiune de ieșire	12.0
Output Voltage Drop	0.2
Protecție împotriva supraîncălzirii	Oui
Protecție împotriva supratensiunilor	Oui
Tip de conversie a energiei	Convertisseur DC-DC
Quiescent Current Draw	1
Perioadă de garanție	2

Description détaillée

Mentinatorul de baterie Sterling Power BM24121 este o soluție dedicată gestionării energiei la bord, conceput pentru a menține încărcarea bateriilor auxiliare 12V pornind de la un sistem principal 24V DC. Ideal pentru aplicații marine și vehicule de agrement precum autocaravanele, acest dispozitiv asigură disponibilitatea constantă a energiei pentru echipamentele secundare fără a risca descărcarea bateriei de pornire sau a bateriei de serviciu principale.

Tehnologie FET și eficiență energetică

Spre deosebire de soluțiile bazate pe relee, mentinatorul Sterling Power BM24121 utilizează tranzistori cu efect de câmp (FET). Această tehnologie garantează un consum electric minim, sub 1 mA, ceea ce îl face deosebit de potrivit pentru instalații unde sursele de energie sunt limitate, precum sistemele solare sau eoliene. Lipsa contactelor fizice elimină uzura mecanică și zgomotul, contribuind la o durată de viață prelungită a dispozitivului. Dispozitivul se activează atunci când bateria principală 24V atinge aproximativ 26,6V, asigurând că numai o baterie suficient încărcată alimentează circuitul auxiliar.

Mentinerea încărcării și protecția bateriilor

Cu un curent de ieșire de 1A, BM24121 este un mentinator, nu un încărcător rapid. Este conceput pentru a compensa autodescărcarea bateriilor auxiliare 12V și a menține nivelul lor de încărcare optim pe termen lung. Acest proces previne descărcarea profundă, factor major de degradare a bateriilor, și prelungește astfel durata lor de viață. Tensiunea de încărcare finală către bateria auxiliară este cu aproximativ 0,2V mai mică decât cea a bateriei principale, asigurând o încărcare ușoară și continuă. Pentru necesități care impun curenți de încărcare mai mari sau o gestionare mai complexă, Sterling Power propune alternative precum releele sensibile la tensiune (VSR) sau încărcătoarele baterie-la-baterie (B2B), care sunt adaptate transferurilor de energie mai mari între parcuri de baterii.

Instalare și robustețe

Mentinatorul de baterie BM24121 este compact (140 x 45 x 40 mm) și ușor (0,25 kg), facilitând integrarea în spații restrânse. Indicele său de protecție IP65 îl face rezistent la stropiri de apă și praf, avantajos într-un mediu marin, deși se recomandă instalarea într-un compartiment uscat și ventilat pentru a optimiza durabilitatea. Produsul este livrat cu 1 metru de cablu pentru o instalare simplificată, necesitând doar adăugarea de siguranțe de aproximativ 10 amperi pe cablurile pozitive pentru o protecție adecvată a circuitului.

Avis de l'expert

Pol CONIN

Responsabil digital

« Technical analysis by the Sterling Power BM24121 battery maintainer »

The Sterling Power BM24121 battery maintainer is a relevant solution for vessels or leisure vehicles equipped with a primary 24V battery bank and requiring power or maintenance for a secondary 12V battery. Its role is specifically to compensate for self-discharge and low consumption of 12V systems (courtesy lighting, small pumps, etc.) without excessively draining the main bank. It differs from standard DC-DC converters or battery-to-battery chargers due to its low 1A output current, positioning it as a maintenance device rather than a fast charger.

The key technical advantage lies in its FET-based design, which ensures negligible standby consumption (<1 mA). This feature is critical for standalone installations (solar, wind) where every milliamp matters, preventing energy waste that could occur with less efficient relay-based systems. Installation is straightforward, but it is essential to respect the fuse chain (10A on each positive) and select a cool, dry location, despite its IP65 rating. This product is not suitable for applications requiring significant current transfer or rapid charging of deeply discharged batteries. For these scenarios, Sterling Power battery-to-battery chargers from the same range would be more appropriate, offering much higher charging currents.

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Mentinator de baterie Sterling Power 24/12V 1A

150,00€

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Questions fréquentes

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What is the Sterling Power BM24121 battery maintainer and what is it used for?

The Sterling Power BM24121 battery maintainer is a device designed to maintain the charge of 12V auxiliary batteries from a 24V DC main battery system. It ensures that your secondary equipment always has power without risking discharging the main battery.

What is the primary function of the BM24121 maintenance device?

Its main function is to compensate for the self-discharge of 12V auxiliary batteries and maintain their optimal charge level over the long term. It is specifically a trickle charger and not a fast charger.

Which technology does the Sterling Power BM24121 battery maintainer use?

The BM24121 maintenance unit uses field-effect transistors (FET) for power management. This technology is more efficient and durable than relay-based solutions.

What are the advantages of the FET technology used in this charger?

FET technology offers several advantages:

Minimal electrical consumption, less than 1 mA.No physical contacts, eliminating mechanical wear and noise.An extended device lifespan.

What is the power consumption of the BM24121 battery maintainer?

The electrical consumption of the Sterling Power BM24121 battery maintainer is minimal, less than 1 mA. This makes it particularly suitable for installations where energy sources are limited, such as solar or wind power.

Does the BM24121 maintainer protect auxiliary batteries against deep discharge?

Yes, by constantly maintaining the optimal charge level of the 12V auxiliary batteries, the BM24121 maintainer prevents deep discharge. Deep discharge is a major factor in battery degradation, and this process helps extend their lifespan.

Is this maintenance tool suitable for use in marine applications or recreational vehicles?

Yes, the Sterling Power BM24121 battery maintainer is ideally designed for marine applications and leisure vehicles such as motorhomes, where it ensures a constant availability of power for secondary equipment.

Is the BM24121 maintenance unit silent during operation?

Yes, due to the use of FET technology and the absence of physical contacts, the BM24121 charger is silent in operation, as there is no mechanical wear or noise associated with relays.

What is the expected lifespan of the Sterling Power BM24121 battery maintainer?

Thanks to its advanced FET technology that eliminates mechanical wear and reduces power consumption, the BM24121 battery maintainer is designed for extended service life.

What is the output power of the BM24121 battery maintainer?

The Sterling Power BM24121 battery maintainer provides an output current of 1A. It is designed for float charging and not for fast charging of batteries.

Can this product manage multiple 12V auxiliary batteries simultaneously?

The BM24121 maintainer is designed to maintain a 12V auxiliary battery. If you have multiple 12V auxiliary batteries, they should be connected in parallel to be maintained by this device, provided the total capacity remains suitable for a 1A maintenance current.

With which types of main battery systems is the BM24121 maintainer compatible?

The Sterling Power BM24121 battery maintainer is designed to work with a 24V DC main battery system.

Which auxiliary batteries can this maintainer service?

This charger is designed to maintain 12V auxiliary batteries. It is generally compatible with common lead-acid battery types such as AGM, Gel, and flooded batteries, used in marine and recreational vehicle applications.

Can I use this mainsheet adjuster if my primary system is 12V?

No, the Sterling Power BM24121 battery maintainer is specifically designed for a 24V DC main system. It will not operate correctly with a 12V main system.

Is the BM24121 charger suitable for maintaining a 12V starter battery?

Yes, this maintainer can be used to maintain a 12 V starter battery, provided it is treated as an auxiliary battery in a 24 V DC main system. Its role is to compensate for self-discharge and extend battery life.

At what voltage should the 24V main battery be for the maintainer to activate?

The device activates when the 24V main battery reaches a voltage of approximately 26.6V. This ensures that only a sufficiently charged main battery powers the auxiliary circuit.

How does the BM24121 battery monitor connect to the batteries?

The maintainer is electrically connected between the main 24V system and the 12V auxiliary battery. It is essential to follow the installation manual instructions to ensure correct polarity connections and optimal safety.

Are there any special precautions to take when installing the autopilot?

During installation, ensure the device is mounted in a dry, well-ventilated location, protected from moisture and extreme temperatures. It is critical to observe the correct polarity when connecting to batteries to prevent damage to the device or the electrical system.

Does the BM24121 maintenance tool require specific ventilation?

Yes, as with any high-power electronic equipment, it is recommended to install the BM24121 battery maintainer in a location with good air circulation. This helps dissipate heat and optimize the device's performance and lifespan, even though its power consumption is very low.