TP4056 1A Type-C Lithium Battery Charger Module with Battery Protection

This TP4056 1A Lithium Battery Charger Module is a compact charging solution for single-cell 3.7V Li-ion batteries. It features a convenient USB Type-C input and can provide a charging current of up to 1A, making it suitable for commonly used rechargeable batteries such as 18650 cells.

The module includes a battery protection circuit to help protect the connected battery against overcharging, over-discharging and short circuits. Separate battery and protected output terminals make it convenient to integrate into DIY electronics and portable power projects.

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Key Features

• USB Type-C 5V charging input
• Up to 1A charging current
• Designed for single-cell 3.7V Li-ion batteries
• Suitable for 18650 and similar Li-ion cells
• Overcharge protection
• Over-discharge protection
• Short-circuit protection
• Charging status indicator LEDs
• Separate battery and protected output terminals
• Compact 28×17.4mm PCB
• Lightweight design
• Suitable for DIY and portable electronics projects

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Technical Specifications

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Applications

Ideal for:

• 18650 battery projects
• Arduino projects
• ESP32 / ESP8266 projects
• STM32 projects
• Portable electronics
• DIY power banks
• Battery-powered sensors
• IoT devices
• LED projects
• Rechargeable battery applications

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Terminal Markings

B+ / B−: Connect to the Li-ion battery.
OUT+ / OUT−: Protected output for the connected load.

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Important Note

This module is designed for single-cell 3.7V Li-ion batteries with a maximum charging voltage of 4.2V. Do not use it directly for multi-cell series battery packs.