DIY for 18650 Li-ion Power Bank Case Battery Box 12 Slot No Welding Fast Charger
ab 7,12 €
AU LiFePO4/Li-ion/LTO 4S 1A Smart BMS Battery Active Balancer +Bluetooth Module. Battery should be flat 18650 battery, 65MM long, no protection plate. Pointed batteries can not be used, are large internal resistance, low capacity, small current batteries.
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