TP4057 1A 3.7V Lithium Battery Charging and Discharging Board with Protection Type-C USB C Li-ion Battery Charging Board

5-20Pcs TP4057 1A 3.7V Lithium Battery Charging and Discharging Board with Protection Type-C USB C Li-ion Battery Charging BoardSpecifications：1. Up to 1A Programmable Linear Charging Current2. For single 3.7V lithium battery, full 4.2V3. Constant current/constant voltage charging with over-temperature protection4. Soft start to limit surge current with battery reverse protection5. Low power standby, prolong battery life6. Dual output of charging status, no battery and fault status display7. Can be activated at 0V, 2.9V slip current charging8. Operating temperature -40~80℃9. Input voltage range 4.2V~6.5VFeatures:• TP4057 1A 3.7V Lithium Battery Charging & Discharging Board• TP4057 Charging & Discharging in One Board• Type-C USB C Li-ion Battery Charging Board• Constant current/constant voltage charging with over-temperature protection• Dual output of charging status, no battery and fault status displayNote: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.Package included:5/10/20PCS TP4057 1A Lithium Battery Charging & Discharging Board with Protection