Power Bank for Cell Phone USB Portable External Backup Battery Charger

Portable USB Power Bank Box DIY Case Travel External Backup Battery Charger Power Bank Case For Mobile Phones (No Battery) Description Material: Plastic + Electronic Components. Size: 90 mm * 30 mm * 22 mm. USB Power Bank 1x 18650 Battery Charger Box Quantity: 1 x DIY Power Bank Case Box. (Battery, USB Cable Are Not Included) Note: Please note this is a DIY Power Bank Case Kit,You are required to assemble them yourself,and the battery is not included ! Mobile Power sets of materials includes: power motherboard + supply enclosure. Instruction: 1.To charge digital devices: Simply use the matched USB cable to charge digital products. One end of the USB cable connect with the "OUT" port of the power bank, another end connect with the digital product with converted tip,it will start to charge. 2.To charge power bank : Use USB cable with Micro connector to charge power bank, the "IN" port is the charging port of power bank. You can charge power bank from adapter's USB or charging from computer\'s USB. 3.When LED is red that means power bank is charging. " This is mobile power kit, 18650 battery is not included. The battery must be right installed before you can use. Installing the battery must pay attention to the positive and negative, anti-loaded will burn, burned out is not returned. Package:1*Power Bank