Description
The TP4056 5V Micro USB 1A Lithium Battery Charging Board is a compact charging and protection module designed for single-cell 3.7V Li-ion and LiPo batteries, including commonly used 18650 cells. It provides a convenient way to charge rechargeable lithium batteries from a 5V USB power source through its Micro USB input.
Based on the TP4056 charging IC and battery protection circuitry, this module provides a charging current of up to 1A and terminates charging when the battery reaches approximately 4.2V. The built-in protection functions help protect the connected battery from over-discharge and excessive current conditions.
The board includes separate B+ and B- terminals for the battery and output terminals for connecting a suitable load. Its small PCB size makes it useful for DIY electronics, portable devices, battery-powered projects, Arduino projects, LED applications, and other single-cell lithium battery applications.
Key Features
- TP4056-based single-cell lithium battery charging module
- Designed for 3.7V nominal Li-ion/LiPo batteries
- Suitable for 18650 lithium-ion battery cells
- 5V DC input through Micro USB or soldering points
- Maximum charging current: 1A
- Charging voltage: approximately 4.2V
- Built-in battery over-discharge protection
- Over-current protection
- Over-voltage charging protection
- LED charging status indicator
- Red LED indicates charging
- Green LED indicates charging completed
- Compact PCB for easy integration into DIY projects
- Charging current can be adjusted through the programming resistor on the board
LED Status Indicators
The onboard LEDs provide a simple indication of the charging state:
- Red LED: Battery is charging
- Green LED: Charging is complete
Connections
The board provides clearly marked connection points for the battery and load.
Battery Connection
- B+ → Battery positive
- B- → Battery negative
Load Connection
- OUT+ → Load positive
- OUT- → Load negative
Always check the polarity carefully before powering the module. This version does not provide reverse-polarity protection, so incorrect battery connection can damage the board.
Applications
The TP4056 1A lithium battery charger module is suitable for:
- 18650 battery charging projects
- Single-cell Li-ion battery packs
- Single-cell LiPo battery applications
- Arduino and microcontroller projects
- Portable electronics
- DIY power banks
- LED lighting projects
- Small battery-powered devices
- IoT and electronics projects
- Rechargeable battery-powered gadgets
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Lithium Battery Charger & Protection Module |
| IC | TP4056 |
| Battery Type | Single-cell Li-ion / LiPo |
| Nominal Battery Voltage | 3.7V |
| Maximum Charging Voltage | 4.2V ±1% |
| Input Voltage | 5V DC |
| Maximum Charging Current | 1000mA / 1A |
| Battery Over-Discharge Protection | Approx. 2.5V |
| Battery Over-Current Protection | Approx. 3A |
| Charge Accuracy | Approx. 1.5% |
| Input Interface | Micro USB + Solder Pads |
| Battery Connection | B+ / B- |
| Load Connection | OUT+ / OUT- |
| LED Indicator | Red = Charging, Green = Full |
| Operating Temperature | -10°C to +85°C |
| PCB Size | Approx. 17.16 × 26.17mm |
| SKU | 1074 |
Reviews
There are no reviews yet.