2 strings of 7.4V lithium battery protection board 6.4V lithium iron phosphate protection board 8.4V charging 5A current 7A current limit

2 strings of 7.4V lithium battery protection board 8.4V overcharge and overdischarge polymer protection board 8A current 15A current limit

3 strings of 11.1V 12V 12.6V 18650 lithium battery protection board can start the electric drill with 20A current

3 strings of 12V18650 lithium battery protection board 11.1V 12.6V with balanced 25A overcurrent, overcharge and over discharge protection

18650 lithium battery overcharge over discharge over current short circuit charging protection board module 1/2/3/4/5 string 3.7/12V

Ternary polymer lithium battery 4 strings, universal protection board, continuous 20A, short time 40A

3 strings of 11.1V 12.6V 18650 lithium battery charger protection board balanced version 60A bootable