2-Bank Smart Marine Battery Charger - 10A (5A per Bank), Waterproof, Battery Maintainer & Desulfator for SLA/AGM, Lithium (LiFePO4), Calcium, and Deep-Cycle Batteries - 24/7 Charging

Versatile Compatibility: This onboard boat charger is designed for all types of lead-acid and lithium-ion 12V batteries, including marine, boat, starter, and deep-cycle batteries. It can also be used as a vehicle charger, making it an essential tool for any watercraft or automotive application. Three Independent Charging Modes: With three distinct charging modes for 12V SLA/AGM, 12V Lithium, and 12V Calcium batteries, this charger allows you to charge up to three batteries simultaneously. Each battery can independently select its suitable mode with a simple press of the "MODE" button. Force Mode for Dead Batteries: If a battery drops below 1V, the charger features a Force Mode that allows for manual activation. By pressing and holding the “MODE” button for 5 seconds, you can initiate charging for deeply discharged batteries, indicated by a blinking red power indicator. Auto Repair Mode & Advanced Diagnostics: This charger automatically enters Repair Mode when necessary, indicated by the "12V Repair" light. It also includes advanced diagnostic features that monitor for overvoltage, bad batteries, over-temperature, and reverse connection, helping you quickly identify and address issues. Precision Temperature Control: Equipped with an integrated thermal sensor, this charger adjusts the charging process based on ambient temperature. This feature prevents overcharging in hot climates and undercharging in cold conditions, ensuring optimal performance and battery longevity.