Description: Battery Cell: Li-Ion Material: ABS+PC Capacity: 20000mAh Weight: 465g Dimension: 156.5 x 82.8 x 23mm Input: DC 5V--2000mA Dual-Output: DC 5V--1000mA (max) & 5V-2000mA (max) Features: Compatible with iPhone, iPad, Samsung, Nokia, HTC, Blackberry etc. Four battery level indicators showing the current capacity, 25% at each indicator LED torch light last 1000 hours Recharge iPhone 5 up to 10 times (under normal condition) Stable charging performance with intelligent IC system Incredible charging speedy with Dual USB Output: 1.0A & 2.0A and Input: 2.0A Portable, rechargeable, and universal power pack CE\/RoHS\/FC Certified Package inlcude: 1 x Yoobao Master Power Bank 20000mAh YB-M20 1 x Micro USB cable