Overview Brand : ECO-WORTHY Product Dimensions : 6.61"D x 6.3"W x 2.12"H Output Voltage : 12 Volts (DC) Specification Met : UL, CE, FCC Input Voltage : 12 Volts About this item Dual Charging Power: The marine battery charger can charge two 12v batteries simultaneously at 5A per bank (10A total). Compatible with Lead-Acid, LiFePO4 and Calcium batteries. Perfect for boats, RVs, ATVs, motorcycles, and automotive use 3 Charging Modes: 12V onboard battery charger with 3 modes (SLA/AGM, Lithium, Calcium). Independently charge different battery types at the same time with customized charging profiles. Safer and smarter than single-mode chargers Battery Rescue Technology: Extends battery life by automatically repairing sulfated lead-acid batteries and safely reactivating deeply discharged lithium batteries. Features intelligent bad battery detection and auto-power off protection Marine-Grade IP68 Waterproof: 100% sealed against water, dust, and corrosion - highest industry waterproof rating. Designed for harsh marine environments, wet docks, and extreme weather conditions Advanced Multi-Protection System: Tailored charging cycles for diverse battery types paired. Comprehensive safeguards against over-voltage, over-temperature, overcurrent, short-circuits, and reverse polarity, ensure prolonged battery health and safety