5V 1A 2A Dual USB Power Bank Module with LCD Display. This circuit is very suitable for making power bank using Lithium ion battery. The performance of this circuit is very good.
Specification:
- Input Parameter: 5v/1A.
- Input Interface: V8 interface micro USB.
- Output Parameter: Double USB Output: 5v 1A/2A.
- Conversion Rate: 90% average.
- Battery parallel requirements between 3.2-4.2V can work properly.
- LCD Displays the remaining charge in percentage.
