LiFePO4 Battery, Lithium Battery, Pouch Cell manufacturer / supplier in China, offering on Board Charger 3.3kw 6.6kw 11kw Obc with Air Cooling for Electric Vehicles, Electric Vehicle Charger on Board Charger 6.6kw 11kw 20kw Obc 48V 540V Battery for Electric Truck with Waterproof, Electric Boat IP67 Charger on Board Charger 6.6kw 11kw Air Cooling 3 Phase 380V AC Input 22kw Output and so on.