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Product Description (Detailed):

Safely and efficiently charge your single-cell lithium-ion or lithium-polymer batteries with our advanced TP4056 Lithium Battery Charging Module 5V 1A with Battery Protection. This compact and versatile board is an indispensable component for DIY electronics, portable devices, and various battery-powered projects. Utilizing the highly reliable TP4056 charger IC in conjunction with a dedicated battery protection IC (often the DW01A and FS8205A MOSFETs), this module ensures a constant-current/constant-voltage (CC/CV) charging method for optimal battery health and longevity.

Operating from a standard 5V input, typically via a Micro USB port (or Type-C on some variants), this module provides a programmable 1A charging current, suitable for various battery capacities. What sets this module apart is its integrated battery protection circuit, which safeguards your valuable lithium batteries against common hazards. This includes overcharge protection (preventing charging beyond 4.2V), over-discharge protection (cutting off power if battery voltage drops below 2.5V), and short-circuit protection. It also often includes overcurrent protection (typically 3A) and reverse polarity protection for enhanced safety during connection. Visual LED indicators clearly show the charging status: a red LED typically signifies charging in progress, while a green (or blue) LED indicates a full charge. Its small footprint and robust feature set make it ideal for charging 18650 cells, mobile power banks, and any application requiring safe and controlled lithium battery charging. Invest in this intelligent charging solution to protect your batteries and simplify your power management needs.

The TP4056 Micro USB Lithium Battery Charger Board is a compact and reliable solution for charging 3.7V 18650 Li-ion or LiPo batteries from any 5V USB source. It uses the TP4056 charge management IC and includes onboard battery protection circuitry (DW01 + FS8205), making it safe for embedded and DIY applications.

The module features micro-USB input, two LED indicators (red for charging, blue for fully charged), and solderable B+/B- and OUT+/OUT- terminals for battery and load connection. It supports 1A charging current with automatic termination when full charge is reached.

It’s commonly used in Arduino portable setups, wireless sensor nodes, rechargeable LED circuits, and custom battery bank designs.

Key Features:

• Micro USB input – powered from 5V USB port or adapter

• Built-in TP4056 lithium charging IC

• Integrated DW01 protection IC for overcharge, over-discharge, and short-circuit safety

• Charges single-cell 3.7V 18650 lithium-ion or LiPo batteries

• Output current: 1A max – ideal for DIY power banks, solar chargers, Arduino power supply

• Status LEDs for charging and full indication

Technical Specifications:

How to Use:

1. Connect a 3.7V Li-ion or LiPo battery to B+ (positive) and B− (negative) terminals.

2. Use a Micro USB cable or 5V power supply via IN+ / IN− to charge the battery.

3. Connect your load (output device) to OUT+ and OUT− terminals.

4. The charger automatically manages charging cycles and protection functions.

Note: Do not use high-drain loads directly from the charger while charging.

Applications:

• DIY power banks and USB chargers

• Arduino and ESP32 portable projects

• Rechargeable battery-powered IoT devices

• Wireless sensor modules

• Solar battery charging systems

• Wearables and compact embedded systems

Package Includes:

• 1 × TP4056 Micro USB Lithium Battery Charging Board with Protection