TP4056 1A Li-ion Battery Charging Board Micro USB With Protection

Charge a single-cell lithium-ion battery using the TP4056 Micro USB charging module. Designed for DIY electronics and battery-powered projects, this compact board combines a constant-current/constant-voltage (CC/CV) charging circuit with battery protection on the protected-module version.

The Micro USB input provides a convenient way to connect a 5V supply. The board also includes solder pads for circuit integration, making it suitable for compact electronics builds and battery-powered prototypes.

Key Features

• TP4056 charging IC: Linear CC/CV charging for a single-cell lithium-ion battery.

• Up to 1A charging current: Common module configuration; charging current depends on the board's programming resistor and input supply.

• Micro USB input: Convenient 5V charging input.

• Battery protection: Protected module versions provide battery protection. Protection thresholds depend on the specific board version.

• Charging status indication: Common versions use LEDs to indicate charging and charge completion.

• DIY-friendly connection pads: Input, battery, and protected output pads are provided on commonly sold versions.

Technical Specifications

How to Connect

1. Connect the 5V input through the Micro USB port or the board's input pads.

2. Connect the battery positive and negative terminals to B+ and B−.

3. Connect your load to OUT+ and OUT− on a board that includes protected output pads.

4. Check the board labels and battery polarity before powering the circuit.

Important: For the common protected TP4056 module, disconnect the load while charging. This helps avoid charging termination problems on boards that do not provide a separate power-path management circuit. Do not assume that every TP4056 board supports simultaneous charging and powering a load.

Suitable Project Ideas

• DIY single-cell battery-powered electronics

• Portable USB-recharged devices

• Battery-powered sensor prototypes

• Rechargeable LED projects

• Small electronics and maker projects

Related Products from Electronics Hub

Explore related battery products for your project:

• 18650 Li-ion Cell

• 1000mAh 3.7V 18650 Lithium-ion Cell

• 3.7V 18650 Battery with Wire, JST Connector and BMS

• Battery Cells Collection

Compatibility note: These links are related battery products. Confirm cell chemistry, capacity, connector, polarity, and charging-current requirements before connecting a battery to this module.

Frequently Asked Questions

Q: What battery does the TP4056 module charge?
A: It is intended for a single-cell lithium-ion battery. Common modules charge a 3.7V nominal cell to 4.2V.

Q: Is the charging current always 1A?
A: No. The charging current is set by the programming resistor and may be adjustable. The board's actual current setting should be checked.

Q: Does this board have battery protection?
A: This listing is for the protected-board type. Confirm that the supplied board includes protected output pads and protection circuitry, because TP4056-only boards and protected versions are sold separately.

Q: Can I power my project while charging the battery?
A: Do not assume so. For the common protected module, disconnect the load during charging unless the specific board documentation confirms a power-path function.

Q: Does it include a battery?
A: The listing is for the charging board. A battery is not included unless explicitly stated in the product package.

Q: Is it compatible with every 18650 battery?
A: It is intended for compatible single-cell lithium-ion batteries. Check the battery's chemistry, charging voltage, polarity, and permitted charging current before use.