ITEM NAME:USB Power Bank Battery Charger Case DIY Box With LED Light for Phone black Description: This is a power bank kit (including circuit board and shell), not a finished product, not including the battery. You need to buy 2 pieces 18650 battery and easy installation with no welding. Protect your device from overload, overcharging, overheating, and short circuiting while charging. Suitable for sports, travel and other outdoor activities, easy to charge your phone anytime, anywhere. Made of sturdy and wearable material, and it has a LED light. Specification: Material: ABS Size: Approx. 10*4.5*2 cm/3.94*1.77*0.79 inch Output: 5V-1A Input: 5V-1A Package Includes: 1 Set Power Bank DIY Kit Note: Not including the battery. SKU: DMO0015017451020775.This is a power bank kit (including circuit board and shell), not a finished product, not including the battery. 1 Set Power Bank DIY Kit. Made of sturdy and wearable material, and it has a LED light.