TP4056 Micro USB Lithium LiPo Battery Charging Module🔋

The TP4056 Micro USB Lithium LiPo Battery Charging Module is a compact, reliable charger for single-cell 3.7 V LiPo/Li-ion batteries. Built around the proven TP4056 CC/CV charging IC, it delivers safe, efficient charging with clear status indication—ideal for Arduino, Raspberry Pi, and other microcontroller and electronics projects.

⚙️ Key Features

• Micro USB 5 V input for convenient, widely compatible power.
• Integrated TP4056 linear charger with constant-current/constant-voltage control for precise charging.
• LED status indicators: 🔴 red = charging, 🟢 green = fully charged.
• On-board protection circuit against overcharge, over-discharge, overcurrent, and short circuit.
• Compact module for easy embedding in prototypes and products.

📐 Technical Specifications

• Input voltage: 5 V (via Micro USB)
• Charging cut-off voltage: 4.2 V ± 1% (single-cell LiPo/Li-ion)
• Maximum charging current: 1 A
• Operating temperature: -10°C to +85°C
• Dimensions: 25 mm × 19 mm × 10 mm

🧩 Compatibility & Use

Designed for single-cell LiPo/Li-ion batteries (nominal 3.7 V, 4.2 V full). Perfect for powering low-voltage modules, sensors, and electronics components in Arduino, Raspberry Pi, and IoT builds. The module’s simple interface lets hobbyists and engineers integrate reliable battery charging into prototypes and production designs with minimal effort.

🚀 Potential Applications

• DIY power banks and portable chargers
• Wearables, handheld gadgets, and portable electronics
• Robotics and automation projects
• Small UPS systems for microcontrollers and network devices
• Remote sensors, data loggers, and battery-powered modules

🔧 Integration Tips

• Power the board with a regulated 5 V source via the Micro USB connector.
• Use only a single-cell 3.7 V LiPo/Li-ion battery (4.2 V full). Do not connect multi-cell packs.
• Observe polarity when connecting the battery to the module’s battery pads.
• At 1 A charge current, allow for adequate heat dissipation and avoid enclosing the board without ventilation.
• Monitor the LED indicators for charge status: 🔴 charging, 🟢 fully charged.

📦 What’s Included

• 1 × TP4056 Micro USB Lithium LiPo Battery Charging Module