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DIY Hand drill Li-ion Battery Pack 16.8V 2.2Ah

Ni-MH, Ni- Cd, Standard Voltage: 1.2V, Charge cutoff voltage: 1.42V, Discharge cutoff voltage: 1V, 12pcs * 1.42V = 17.04V

18650 Li-ion , Standard Voltage: 3.6V, Charge cutoff voltage: 4.20V, Discharge cutoff voltage: 3V, 4pcs * 4.2V = 16.8V

BMS connection

Battery installation

Complete

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