

Description:
The TP4056 1.2A Li-ion Battery Charging Module is a compact, efficient charging board designed for safely charging 3.7V lithium-ion batteries like 18650 cells via Micro USB. With built-in overcharge, over-discharge, and short-circuit protection, it ensures safe and reliable battery management.
Specifications:
- Input Voltage: DC5V
- Charging Cut-off Voltage: 4.2V±1%
- Maximum Charging Current: 1A
- Battery Over Discharge Protection Voltage: DC2.5V
- Battery Over Current Protection Current: 3A
Features:
- ✅ Charging Current: 1.2A max
- ✅ Input Interface: Micro USB or solder pads
- ✅ Battery Type: 3.7V Li-ion/Lithium-Polymer
- ✅ Built-in Protection: Overcharge, Over-discharge, Overcurrent, and Short-circuit
- ✅ LED Indicators: Charging (Red), Full (Blue)
- ✅ Self-adjusting charging control for safe battery charging
Using Method:
- Connect micro USB cable for power, or 5V DC to pads marked IN+ and IN- on the left-hand side of the module
- Connect cell to charge to B+/B- pads on the right-hand side of the module.
- A load (something for the battery to power) can be connected to the OUT+/OUT- pads on the right-hand side
- Important! Disconnect load when charging
- The red LED indicates charging in progress, green LED indicates charging has finished.
- Never charge your battery at a rate greater than 1C.
Note:
- TP4056 1.2A Li-ion battery charging module with Micro USB input and built-in overcharge & short-circuit protection.
- Ideal for safely charging 3.7V lithium-ion batteries like 18650 cells in DIY and Arduino projects.
- NO Reverse polarity.
Package Included:
1 X TP4056 Micro USB 5V 1A 18650 Lithium Battery Charger Board