Smart BraceletChina 2s 20A PCM BMS for 7.2V 7.4V Li-ion/Lithium/ Li-Polymer 6V 6.4V LiFePO4 Battery Pack with Bm Size L120*W37*T5mm (PCM-L02S20-265), Find details about China Li-ion Battery BMS, Li-ion Battery PCM from 2s 20A PCM BMS for 7.2V 7.4V Li-ion/Lithium/ Li-Polymer 6V 6.4V LiFePO4 Battery Pack with Bm Size L120*W37*T5mm (PCM-L02S20-265)