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3 strings of 11.1V/12.6V 18650 polymer lithium battery equalization board voltage and current equalization 4.2V 66mA -64274
3S 4S 4.2V BMS Charger Protection Board 66mA Li-ion Lipo Battery Lithium 18650 3S 18650 Bttery Blncer PCB Bord BMS Li-ion 11.1V 12.6V 18650 Bttery Chrging Module Voltge Current Blnce 4.2V 66m
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