【10X3,3-Bank, 10A Per Bank】: Onboard Boat Charger for all types of lead-acid & lithium-ion 12V batteries, including marine, boat, starter & deep-cycle batteries, only for 12V! (Also it can be used as a vehicles charger). IP68 waterproof fully-sealed charging. It can be charged 24/7 onboard.
【3 Charging Modes】: 12V SLA/AGM, 12V LITHIUM, 12V CALCIUM batteries. 3 batteries can charge at the same time. Each battery can independently select the suitable mode via press "MODE".
【Force Mode】: Charge dead batteries. When battery is lower than 1V, you can manually begin charging: Only press and hold the “MODE“ button for 5s. Then power red indicator will blink for 5 mins, then normal charging.
【Auto Repair Mode & Advanced Diagnostics】: You don't need to operate.“12V Repair”light is on, automatically start repair. Advanced Diagnostics: Over Voltage, Bad Battery, Over Temperature, Reverse Connection. Help you find problems quickly.
【Enjoy Precision Charging】: An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.