3 Bank Marine Battery Charger 5X3, 15A (5A/Bank) - 15A Onboard Charger, 12V Waterproof Boat Battery Charger, Battery Maintainer for SLA/AGM, Lithium, Calcium - Charged 24/7

• 【5X3, 3-Bank, 5A Per Bank】: 3 Bank battery charger for boat 12V for all types of lead-acid & lithium-ion 12V batteries - including marine, boat, starter & deep-cycle batteries. IP68 waterproof fully-sealed charging. Boat charger can be charged 24/7 onboard.
• 【3 Charging Modes】: 12V SLA/AGM (Lead-Acid), 12V LITHIUM（Marine lithium battery charger）, 12V CALCIUM. 3 Batteries can charge at the same time. Each battery can independently select the suitable mode via press "MODE".
• 【Force Mode】: 3 Bank battery charger charge dead batteries. When battery is lower than 1V, you can manually begin charging: Only press and hold the “MODE“ button for 5s.
• 【Auto Repair Mode & Advanced Diagnostics】: You don't need to operate boat battery chargers.“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.
• 【Segmented Smart Charging】: Protects the battery by adjusting current in stages, with different currents at different times (SLA/AGM: 9-stage; Lithium: 6-stage; Calcium: 9-stage).
• 【3-YEAR WARRANTY FOR CHARGER】: 5-Grid Power Display - 20%, 40%, 60%, 80%, 100%. What’s in the box : 1* On board battery charger for boat; 3* Battery clips; 3* Battery connectors; 3* Spare fuses; 4* Screws; 1* Bag, 1* Manual.

FirstPower Pro 5X3 3-Bank, 15A (5A/Bank) Smart Marine Battery Charger, Onboard Battery Charger, our most rugged, compact, and powerful, onboard marine battery charger we have ever made. The is designed to charge and maintain up to three (3) 12-volt lead-acid and lithium-ion batteries, including flooded, gel, AGM, and deep-cycle batteries. Each 12-volt battery bank provides up to 5-amps of pure charging power, plus doubles as a battery maintainer and battery desulfator. Included : 1* 15A (5A/Bank) IP68 Waterproof Onboard Marine Battery Chargers (120-240VAC); 3* Battery clip; 3* Battery connector; 3* Spare fuse; 4* Screws;1* Bag, 1* Manual. 3-Year Warranty. Other commonly used search terms: marine charger, boat charger, marine battery charger, boat battery charger, onboard charger, onboard battery charger, onboard battery maintainer, onboard trickle charger, onboard marine battery charger, marine onboard battery charger, onboard boat battery charger, battery charger onboard, automatic onboard battery charger, fully automatic onboard battery charger, onboard battery charger 12v, onboard battery charger 12 volt, smart marine battery charger, 12v marine battery charger, 12 volt marine battery charger, battery charger for marine battery, boat battery trickle charger, boat onboard battery charger, deep cycle battery charger marine, fishing boat battery charger, bass boat battery charger, battery charger for boat, marine deep cycle battery charger, 12v marine charger, 12 volt marine charger, onboard battery charger maintainer, waterproof battery charger, onboard waterproof battery charger, onboard waterproof marine battery charger, onboard marine battery charger 3 bank, 3 bank onboard marine battery charger, onboard battery charger 3 bank, 3 bank onboard battery charger, marine onboard battery charger 3 bank, 3 bank battery charger marine, 3 bank marine battery charger, marine battery charger 3 bank, 3 bank battery charger for boat, deep cycle marine battery charger, marine battery trickle charger, lithium marine battery charge, marine charger, marine battery tender, 3 bank battery charger, lithium battery charger, lifepo4 battery charger, three bank battery charger for boat, three bank battery charger marine, 3bank marine battery charger, three bank marine battery charger, marine trickle charger for boat battery, lithium 3 bank battery charger, three battery charge, 3 bank marine lithium battery charger, 3 bank marine battery charger 5x3, boat battery charger 12v marine, on board battery charger, boat battery tender, battery charger marine, onboard three bank marine charger, boat trickle charger, 3bank lithium battery charger, 3bank onboard marine battery charger, 12 volt lithium battery charger, 4 bank marine battery charger,life po4 lithium battery charger, marine battery charger 12v, lithium 3bank battery charger, three battery charger. Avoids under-charging in cold weather down to -4F and avoids over-charging in hot weather up to 104F.