Make a 4s 16.8v 18650 cell 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

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18650 Lithium Battery Bracket

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18650 Li-ion 3.7v battery
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TP4056 Li-ion Battery Charging with Protection Board
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