PCB PCBA BMS Motor Electronic Printed Circuit Custom Board PCB Custom Multilayer PCB Board SMT Assembly Manufacturing Design No Name caterlogue Function Purpose Features 1 Tools EJ-BCA-03-5V 3 lithium batteries, 5V charging and output, charging and discharging LED indication Suitcase battery protection and instructions Use a 5V charger to charge. Can be used as a power bank. 2 Tools EJT2-DC007-B 3 lithium batteries, 5V charging, charging and discharging LED indication Power
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