Description * Material: Oxidized&polishing aluminium shell* Capacity: 8800mAh* 18650 Li-ion battery* 4 LED indicators* Input: 5V/1A* Output: 5V/2. ... ,etcInput 5V/1AOutput 5V/2.1ABattery Type 18650 Li-ion batteryApplicationMobile phone, MP3/4/5, DC/DV, PSP, laptop, tablet, etcAccessories1 usb charging ... and the seller. very fast shipping,I recommend this seller. 5 stars is suitable for this transaction.