Product parameters Taken the battery model: 18650 Product Size: 110 * 58 * 68mm    Taken the combination: string of 4 and 6 After u combined capacity: 14000 mah (14ah) Taken the overall weight:    less than 1kg Taken the external packing: blue PVC With protection circuit: have overcharge, discharge, over current, short circuit protection function! If you have other need can contact with the owner, thank you all for the new old customer consultation. 1: need li-ion battery chargers for; Constant current constant voltage; 2: charging voltage: 25.2 V 3: charging current: 2 a or less The battery discharge requirements: 1: the output of 18 lines, 150 mm long, red and black one 2: the input leads to a line 2.1 socket, 150 mm long 3: the rated discharge current: 10 a or less 4: maximum instantaneous current: 60A 5: maximum working current: 45 A 6: the product is a built-in battery, do 2 output wires, output input if there is any other requirement can contact the owner, the above parameters for the default delivery Shipping list: 1,1 pcs 24v 14Ah battery (with BMS)