TP4056 USB-C 1S 1A Lithium Battery Charger Module with Protection

TP4056 USB-C Charger Module with Protection

The TP4056 USB-C Charger Module provides a compact charging solution for a single lithium-ion or LiPo cell. Connect a suitable 5V power source through the USB-C port to charge the battery.

The module uses a constant-current and constant-voltage charging method. It charges the battery up to 4.2V and displays the charging status through two onboard LEDs.

Key Features

• Charges one 3.7V lithium-ion or LiPo cell
• Modern USB-C power input
• Charging current up to 1A
• Full-charge voltage of 4.2V
• Constant-current and constant-voltage charging
• Overcharge protection
• Over-discharge protection
• Overcurrent and short-circuit protection
• Red and green status indicators
• Compact size for portable projects

Technical Specifications

• Charging Controller: TP4056
• Supported Battery: Single-cell lithium-ion or LiPo
• Battery Configuration: 1S
• Nominal Battery Voltage: 3.7V
• Input Voltage: 4.5V–5.5V DC
• Recommended Input: 5V DC
• Maximum Charging Current: 1A
• Full-Charge Voltage: 4.2V
• Charging Accuracy: Approximately 1.5%
• Operating Temperature: -10°C to +85°C
• Input Connector: USB-C
• Approximate Size: 25 × 19mm

LED Indicators

• Red LED: Battery charging
• Green LED: Charging complete

Terminal Connections

• B+: Connect to the battery’s positive terminal.
• B-: Connect to the battery’s negative terminal.
• OUT+ or P+: Positive protected output for the load.
• OUT- or P-: Negative protected output for the load.

How to Use

1. Connect the battery to the B+ and B- terminals.
2. Check the battery polarity carefully.
3. Connect the load to OUT+ and OUT-.
4. Supply 5V through the USB-C port.
5. Monitor the onboard LEDs during charging.
6. Disconnect the power after completing the required test or installation.

Applications

Use this charger module for:

• Rechargeable 18650 battery projects
• Single-cell LiPo battery charging
• DIY power banks
• Portable electronic devices
• Robotics projects
• Arduino battery-powered systems
• Emergency lights
• Battery repair projects

Package Contents

• 1 × TP4056 USB-C 1S Charger Module with Protection

Important Notes

• The module supports only one 3.7V lithium cell.
• Do not connect multiple cells in series.
• Check the positive and negative terminals before connection.
• The module does not provide reverse-polarity protection.
• Select a charging current that matches the battery capacity and specifications.
• The module may become warm because it uses linear charging.
• Do not use damaged, swollen, or deeply discharged batteries.
• Product dimensions may vary slightly between manufacturing batches.