
EG4 12V 15A Battery Charger
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The EG4 Battery Charger is one of the most efficient and affordable options available, designed to seamlessly charge 12V Lithium/LiFePO₄ batteries from a standard 120V outlet. Pair it with any 12V EG4 battery to maintain a reliable power supply, even on cloudy days. Engineered for outdoor use, extensive R&D testing has confirmed its waterproof durability, including successful submersion tests while actively charging an EG4 battery. Equipped with a built-in Battery Management System (BMS), this charger intelligently monitors the state of charge through downstream resistance. Optimized for high efficiency, it delivers 15 amps at 95% efficiency, making it one of the best-value 12V lithium battery chargers on the market. A single 15A EG4 charger can fully charge a 12V 400Ah EG4 Lithium battery in approximately 26 hours.