- ✅ TP4056 IC – Stable 1A Li-ion battery charging
- 🔌 Micro USB or C-type input – Easy plug & play with USB power
- 🔋 Suitable for 3.7V Li-ion/LiPo batteries
- ⚡ CC/CV charging method for safe and efficient charging
- 🟢 LED indicators: Red = Charging, Green = Full
- 🛡️ Built-in overcharge, discharge & short-circuit protection (on protected versions)
- 📏 Compact size – Ideal for DIY, Arduino, and IoT projects
Charge precision:1.5%.
Input voltage:4.5V-5.5V.
Full charge voltage:4.2V ± 1%
Led indicator:red is charging Green is full charged.
Input interface:micro USB/mini usb/type-c usb
Work temperature:-10° to +85°.
Inversed polarity:NO.







