Features:
Welding free.
The battery capacity must be the same. Do not reverse the battery, otherwise the motherboard will be damaged. (The sheet is positive and the spring is negative.)
Easy to use and secure
Can install 3 pcs battery (Battery is not included.)
Plug and Play, output power using the USB port, connect the data cable to reach portable, ready to charge
Specification:
Input: 5V 1A
Output: 5V 1A
Battery model: 18650
Loadable batteries: 3 pcs
Size: 22mm*65*98mm
Note: Actual color may be slightly different from the image due to different monitor and light effect.

Package List:
1 x Power Bank Case(No Battery)