ECO-WORTHY: Multiple Applications: ECO-WORTHY 12V 100Ah LiFePO4 lithium batteries can be used for RV, 50~86 lbs trolling motor, camping, marine, backup power, solar home off-grid system, lighting, TV, electronic robots, speakers, coffee makers, air conditioners, refrigerators, heaters and so on. It can support 4 series and 4 parallel, up to 20.48KWh.