Micro USB charging module for Li-pol and 18650 batteries, 5V DC, 1A

The compact charging module with TP4056 chip allows safe charging of 18650 Li-Ion cells and other 3.7V (4.2V) Li-Ion/Li-Pol batteries. It contains integrated protection against overcharge, undercharge and overcurrent, making it an ideal solution for power banks, DIY projects, solar systems or any single-cell Li-Ion applications.

Technical specifications

• Input connector: MicroUSB
• Input voltage: 5V DC
• Charging chip: TP4056
• Charging current: max. 1000 mA (1A)
• Cut-off voltage: 4.2 V ±1%
• Undervoltage protection: 2.5 V
• Overcurrent protection: 3 A
• Output terminals: B+ / B− (battery), OUT+ / OUT− (load)
• Charging indication: red LED (charging), green LED (full)
• Dimensions: 28 × 17 mm
• Weight: 3g
• Protection: IP20 (without cover, intended for dry environments)

Functions and features

• Safe charging of single-cell Li-Ion batteries with all protective functions.
• Possibility of power supply via MicroUSB from a regular USB charger.
• Separate terminals for battery and output for powering the load.
• Protection against overcharge, underdischarge and short circuit.
• Very small dimensions suitable for compact projects.

Ideal for

• Power banks and portable devices.
• DIY Li-Ion battery projects.
• Solar charging systems.
• Electronic modules powered by 18650 cell.

Package contents

• 1× TP4056 MicroUSB charging module with protection

Why choose this product?

• Safe battery protection including overcurrent and undervoltage.
• High reliability of the TP4056 chip.
• Simple connection via MicroUSB.
• Compact size for a wide range of uses.