12V, 4-Bank Waterproof Smart On-Board Marine Battery Charger，10A per bank  

l 40 amp (10 amp per bank) smart on-board marine battery Charger for 12V batteries; charges LifePO4 batteries and all types of lead-acid batteries from 10-120ah, including wet, gel, MF, and AGM

l For 3x12V LifePO4 batteries and 1x 12V AGM batteries

l 10A per bank, total 40A

l Wake up function for low voltage lithium batteries

l Safe for anyone to use. Does not generate sparks, and protects against reverse battery Hookup, short circuit, open circuit, overheat, overcurrent and does not overcharge the battery

l Recovers deeply discharged and sulfated batteries with pulse charging

l Charge four batteries at the same time