TP4056 1.2A Li-Ion Battery Charging Module with Micro USB (Current Protection)
The TP4056 Li-Ion Battery Charging Module is a compact charging board designed for safely charging single-cell 3.7V Li-Ion and Li-Po rechargeable batteries. Based on the TP4056 linear battery charging IC, the module provides a constant current/constant voltage (CC/CV) charging algorithm for efficient battery charging. It features a Micro USB input for convenient power from USB adapters, power banks, or computer USB ports, along with built-in overcurrent and thermal protection for reliable operation.
This charging module is widely used in portable electronics, DIY battery packs, power banks, wearable devices, IoT projects, robotics, and embedded systems requiring a safe and simple single-cell lithium battery charging solution.
Key Features -
• Based on TP4056 lithium battery charging IC
• Supports single-cell 3.7V Li-Ion and Li-Po batteries
• Maximum charging current up to 1.2A
• Micro USB power input
• Constant Current / Constant Voltage (CC/CV) charging
• Built-in overcurrent protection
• Thermal protection for safe operation
• Automatic charge termination at full charge
• Charging and fully charged status indicators
• Compact and easy-to-integrate PCB module
Specifications -
• Product type - Li-Ion Battery Charging Module
• Charging IC - TP4056
• Battery type - Single-Cell Li-Ion / Li-Po Rechargeable Battery
• Nominal battery voltage - 3.7V
• Full charge voltage - 4.2V ±1%
• Input voltage - 5V DC (Micro USB)
• Maximum charging current - Up to 1.2A
• Charging method - Constant Current / Constant Voltage (CC/CV)
• Protection features - Overcurrent and Thermal Protection
• Mounting type - PCB Module
Applications -
• DIY battery-powered projects
• Portable electronic devices
• Power bank projects
• Arduino and ESP32 projects
• IoT devices
• Wearable electronics
• Rechargeable LED lighting
• Embedded system power supplies
• Robotics projects
• DIY electronics and battery management