Technical Parameters:
Overcharge detection voltage: 4.25 ± 0.05V
Overcharge release voltage: 4.23 ± 0.05V
Over discharge detection voltage: 2.45 ± 0.1V
Upper limit continuous current: 4A
Overcurrent detection current: 5A
Charging voltage: 4.2V
Product Size: 35 * 4 * 2.2MM
IC components: DW01 + 8205A * 2

The main function:
Overcharge protection, over discharge protection, short circuit protection, overcurrent protection.
Wiring instructions:
B + : Connected to the battery positive.
B-: Connected battery negative.
P + : For the battery pack output input positive
P- : For the battery pack output input negative
Package included:1pcs