The TP4056 Lithium Battery Charging Module with Micro USB Input and Dual Protection is a powerful and compact charging board designed for safely charging single-cell 3.7V Li-ion batteries, such as 18650 or 14500.
Equipped with a Micro USB input port, this board is extremely easy to use—just plug into any USB adapter, power bank, or computer. The built-in DW01A protection IC and FS8205A dual MOSFET protect your battery from overcharging, over-discharging, and short circuits, making it highly reliable and safe for embedded applications.
Ideal for use with Arduino, ESP8266, ESP32, Raspberry Pi, and other microcontroller-based projects, the board offers a charging current of 1A and has clear LED indicators to show charging status.
⭐ Key Features:
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🔌 Micro USB input – plug and play with most USB power sources
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🔋 Supports 3.7V Li-ion batteries like 18650, 14500
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⚡ Dual Protection: Overcharge & Over-discharge
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🔧 Built-in DW01A + FS8205A ICs for safety
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💡 LED indicators for charging (Red) and full (Blue)
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📦 Small size – ideal for embedded & portable electronics
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🛡️ Protection from overvoltage, short circuits, and reverse polarity
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📲 Great for DIY power banks, ESP projects, and Arduino circuits
⚙️ Technical Specifications:
| Specification | Details |
|---|---|
| Charging Chip | TP4056 |
| Input Type | Micro USB |
| Input Voltage | 4.5V–5.5V DC |
| Charging Current | 1A max |
| Battery Support | 3.7V Li-ion (18650, 14500, etc.) |
| Protection IC | DW01A + FS8205A |
| Output Voltage | 4.2V ±1% (Fully Charged) |
| Indicators | Red = Charging, Blue = Full |
| Board Size | ~26mm x 17mm x 4mm |
| Application | Arduino, ESP, IoT, Robotics, Battery Charging |
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