This model is a 10400mAh power bank and built in 4 18650 battery.
Product Specification / Models
Input: DC 5V/1A
Dual Output: 5V/1A; 5V/2.1A
Built-in 18650 Battery x 4
Accessories: USB to Micro USB Cable x 1
Dimensions(mm): L109 u00d7 W73 u00d7 H23
The APL Technology Co,Ltd specialized in manufacturing and selling power bank and bluetooth speaker. We have professional design team and 4 production line.