4s 16.8v 40A BMS 18650 Li ion battery Pack - voltage balance with protection board | POWER GEN

in this video show the how-to making the 4s 16.8v 40A battery pack using 4S BMS 18650 Li-ion battery cell and voltage balance with protection board and 18650 Lithium Battery Bracket material buy the following a link 4S 16.8v BMS Li-ion battery charger board 18650 Lithium Battery Bracket --------------------------------------------------------------------- Click the link see the more videos on the playlist ----------------------------------------------------------------- buy more material by the following a link Power Bank - 18650 Li-ion 3.7v battery TP4056 Li-ion Battery Charging with Protection Board DC-DC 12-35V 150W Boost Adjust Module - 3S 20A Li-ion Battery 18650 Charger PCB BMS Protection Board 12.6V Cell - LM2596 dc-dc buck converter step down module = MINI DC 0-32V 3-Digital LED Display Volt Meter Solar LED Wall light MT3608 2A dc-dc Step Up Boost Power Module = ----------------------------------------------------------------------