Notes

1. Strictly according to the drawing wiring 0 V (B), 3.7 V (B1), 7.4 V (B2), 11.1 V (B +), not intentionally short circuit!
2. Once you have charged the first line, it will have output.
3. When connecting three battery groups, please make sure that the voltage of each battery group, if not the same, fill each battery separately and then use it in series. discharge test, the fastest battery voltage drop, which group is low battery.

Warning

The protection board cannot be used for lithium iron phosphate batteries, lamp, hand drill battery, electric battery fish, electric bicycle battery, car battery for children, 775 (4A) motor, 1 W fish eye LED light.. Described in terms of power for the following products: Massager rechargeable battery, LED ready light power supply, 12 V electronic products, solar street lamp battery, power backup monitor, and other products.