The TP4056 Lithium Battery Charger Module is a compact and efficient charging solution for single-cell lithium-ion batteries, including 18650 cells. It features Micro USB input, constant current/constant voltage charging, and built-in protection circuits to ensure safe and reliable battery operation. This module is widely used in DIY electronics, IoT devices, and embedded systems.

Key Features

• Input Voltage: 4.5V–5.5V (Micro USB)

• Charging Current: 1A (adjustable via onboard resistor)

• Full Charge Voltage: 4.2V

• Protection Features: Overcharge, over-discharge, short circuit, and overload protection

• LED Indicators: Red (charging), Green (fully charged)

• Compact Design: Ideal for portable applications