Chemistry: Lithium-ion Cell (103450) Output Voltage: 5V Output Current: 1000mA max Capacity: 11.5 WH(3200mAH) Charge Time: 7-10 hours AC Adaptor: Charge through USB port (5V/1A) Cycle Life: At least 500 times Operating Temperature: -10℃～40℃ Storage and Transportation Temperature: -20℃～50℃ Dimension: 100 X 62 X 15mm Weight: 130g