This is a DIY Triple USB Power Bank Module for all rechargeable lithium batteries with a voltage range of 3.7V to 4.2V, such as mobile phone batteries, flat batteries, 18650 batteries, and so on. It could be connected to a lithium battery, and it could also be connected to numerous lithium battery sections. You may charge three phones at the same time at the same rate. Meet the individual needs of your DIY, but you must understand basic electronic assembly.
SPECIFICATION
| Input Port |
Micro USB Type-B |
| Output Port |
USB Type-A |
| Input Voltage |
5V DC |
| Output Power | 5V 1A/ 5V 2A |
| Overcharge Protection | 4.25V |
| Size | 64x18.3x8.6mm |
