TP4056 1A Li-ion Battery Charging Module with Protection

The TP4056 Li-ion Battery Charging Module is a compact and easy-to-use charging board designed for single-cell 3.7V rechargeable lithium-ion batteries such as 18650 cells. It provides a convenient way to charge your battery using a 5V Micro USB power supply.

The module includes charging and protection functions to help protect a compatible battery from overcharging, over-discharging, and short circuits. Built-in LED indicators show the charging status, making it easy to monitor the battery while charging.

Key Features

Module: TP4056 Li-ion Battery Charger
Battery Type: Single-cell 3.7V Li-ion
Charging Current: Up to 1A
Input: 5V DC via Micro USB
Charging Voltage: 4.2V
LED Indicator: Charging / Fully Charged
Protection: Overcharge, over-discharge & short-circuit protection
Compact PCB design
Suitable for DIY and portable electronics projects

Applications

18650 Battery Charging
Arduino Projects
ESP32 & IoT Projects
Robotics
LED Projects
Portable Electronics
DIY Power Supply Projects
Battery-Powered Devices

Terminal Connections

B+ → Battery Positive (+)
B− → Battery Negative (−)
OUT+ → Load Positive (+)
OUT− → Load Negative (−)
Micro USB → 5V Charging Input

Package Includes:
1 × TP4056 1A Li-ion Battery Charging Module with Protection

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