Description: NOTE: BATTERY IS NOT INCLUDED! Please note that this item is a DIY charger case, and you have to install it by yourself(it is easy installed).So the package will be like the picture and (18650 battery is not included).Specification:1.100% Brand new with excellent quality.2.This is a DIY box, not a power bank (18650 battery is not included)3.This Power bank box/case needs 1PCS 18650 rechargeable battery. If you install a 2600mAh/3100mAh 18650 rechargeable battery, the capacity of power bank will be 2600mAh/3100mAh .4.Power bank has a standard USB output and a micro USB input.5.size:96*24*23mmYou can use 1800mAh 2200mAh 2600mAh 2800mAh 3400mAh 18650 batteries.Package Included: 1PCS X Battery Charger Case(Battery is not included)