USB Power bank casing

Input voltage: below 5V (does not support fast charging)
Output voltage: below 5V (does not support fast charging)

Input interface: micro USB (Android port, flat port)

Product Details:
Note: Batteries are not included!
Please note that this project is a DIY charger case, you have to install it yourself (it is easy to install).
So the package will be like the picture and (18650 battery not included).

Specifications:
1. Brand new and premium quality.
2. This is a DIY box, not a power supply (18650 battery not included)
3. This battery case/box requires 1PCS 18650 rechargeable battery. If you install a 2600mAh/3100mAh 18650 rechargeable battery, the battery capacity will be 2600mAh/3100mAh.
4. The battery has a standard USB output and a micro USB input.

Note: You can use 1800mAh 2200mAh 2600mAh 2800mAh 3400mAh 18650 batteries.