5Piece TP4057 Type C 1A 3.7V Lithium Battery Charging Board with Protection

Description:

1. Up to 1A Programmable Linear Charging Current

2. For single 3.7V lithium battery, full 4.2V

3. Constant current/constant voltage charging with over-temperature protection

4. Soft start to limit surge current with battery reverse protection

5. Low power standby, prolong battery life

6. Dual output of charging status, no battery and fault status display

7. Can be activated at 0V, 2.9V slip current charging

8. Operating temperature -40~80

9. Input voltage range 4.2V~6.5V

Note:

1. The battery cannot be connected backwards, as it can easily damage the motherboard.

2. The battery terminal voltage should not exceed the product overshoot voltage.

3. Batteries cannot be connected in series, they can only be connected in parallel. The battery of parallel can be several, but not recommend too many.

What's in the box
5 x TP4057 Lithium Battery Charging Board