Product Overview
The TP4056 Li-ion Battery Charging Module is a compact charging board designed for safely charging single-cell 3.7V lithium-ion and lithium-polymer batteries. Based on the TP4056 charging IC, it provides accurate constant-current/constant-voltage (CC/CV) charging with a default 1A charging current. Featuring a Mini USB input and onboard charging indicators, the module is ideal for DIY electronics, portable devices, battery-powered projects, and rechargeable battery applications.
Key Features
Designed for charging single-cell 3.7V Li-ion/Li-Po batteries.
Uses the TP4056 charging IC for safe and reliable charging.
Supports Mini USB power input and external IN+/IN− terminals.
Delivers 1A charging current (adjustable from 100mA to 1000mA by changing the onboard resistor).
Provides constant-current/constant-voltage (CC/CV) charging.
LED indicators show charging and fully charged status.
High charging accuracy with automatic charge termination.
Compact, lightweight design for easy integration into projects.
Suitable for DIY electronics, portable devices, and battery-powered systems.
Technical Specifications
Product Type: Li-ion Battery Charging Module
Charging IC: TP4056
Battery Type: Single-cell 3.7V Li-ion/Li-Po Battery
Input Voltage: 4.5V–5.5V DC
Input Interface: Mini USB Port / IN+ & IN− Pads
Charging Method: Constant Current / Constant Voltage (CC/CV)
Full Charge Voltage: 4.2V ±1.5%
Default Charging Current: 1A
Adjustable Charging Current: 100mA–1000mA
Power Rating: 4.2W
Charging Indicators: Red LED (Charging), Blue LED (Fully Charged)
Operating Temperature: -10°C to +85°C
Package Contents: 1 × TP4056 Li-ion Battery Charging Module
Applications
Charging single-cell 3.7V Li-ion and Li-Po batteries.
DIY battery charger projects.
Arduino, ESP32, and Raspberry Pi battery-powered systems.
Portable electronic devices and gadgets.
Robotics and IoT applications.
Rechargeable battery packs.
Educational electronics and embedded system projects.
Battery charging circuits for custom portable devices.