Please know before you buy:

1. This is just the box, not include batteries

2.Please purchase 18650 flat battery by yourself to install and use.

3. This is screw fixed, we will give you screws and a screwdriver.

4. This is normal version, does not support fast charging.

Features:

1. Made of premium material, it is wear-resistant and durable.
2. LED digital display, easy for you to monitor.
3. Can be installed 8*18650 flat head battery.
4.DIY design, easy and convenient to use.

Specifications:

Input: 5V 2A
Output: 5V 2A
Capacity: 20000 mAh
Input interface: 1*Type C+1*Micro USB
Output Interface:2*USB
Materials: plastic

Package:

1*Battery Box(Battery not included)

1* Install tools