Battery pack can be customized,we conventionally do 12V,24V, ... 4 in series8*16*15.520ah 24v2 in parallel, 8 in series16*16*15.520ah 48v2 in parallel, 16 ... 20*19.220ahOur company could provide all kinds of the battery with protect IC,equalization control,BMS,etc. ( function(){ ... oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 15AH and 20AH LiFePO4 Battery Pack with Nominal Voltage 12V,24V,48V