Specifications: Battery type: Lithium-Polymer Battery Capacity: 2000mAh Battery Life: 500 Cycles, Left greater than 80-Percent Standby time: 50,000-70,000 hours Flash Light: 1 LED 5mm Output Voltage: DC 5-Volt Output Current: 1 and 2A (5-Volt) Input Current: up to 2000mA, 4.5-6.0-Volt Weight: 2.1-Ounce (55g) Size: 1.7 by 3.7 by .4-Inch (43 by 94 by 10.5 mm) USB cable for charging and discharging (Standard A to micro B) Charge time: 1 - 4 hours Standard adapters: Micro USB, Mini USB, and Apple.