AJMRTC TP4056 Lithium Li-ion Charger Board, Type-C USB 3.7V 4.2V 1A 5W Charging Module with DC-DC Step Up Boost Function, Rechargeable Battery Power Supply Board for Electronic DIY Kit Projects

AJMRTC TP4056 lithium battery charging and boost module combines TP4056 charging management chip and DC-DC step-up circuit in one compact board. It uses Type-C USB as input to charge 3.7V li-ion batteries with 1A charging current and cutoff at 4.2V. After charging, the integrated boost converter raises battery voltage to supply power for small devices.

This all-in-one board features multiple safety protections including overcharge, over-discharge, over-current and short-circuit prevention to protect your lithium cells. Small footprint design makes it ideal for DIY power banks, portable lights, handheld gadgets and other electronic prototype projects. Simple wiring allows quick assembly for makers and electronic enthusiasts.

1. Model: TP4056 Charger & Boost Module
2. Input: Type-C USB
3. Charging Target Battery: 3.7V Li-ion battery, full charge 4.2V
4. Charging Current: 1A
5. Rated Power: 5W
6. Function: Lithium battery charging + DC-DC step up boost
7. Protection: Overcharge, Over-discharge, Over-current, Short-circuit
8. Application: Electronic DIY kit, portable power supply
9. Package: 1 × TP4056 Charger Boost Board