Capacity of 1500mAh Recharges many of your mobile devices powered by a battery Very slim design (only 8mm) Easy to carry Recharge your mobile devices anywhere and anytime Capacity: 1500mAh Li-Polymer Battery Input: USB 5V / 0.5A Output: USB 5V / 1A Charging timing (by USB charger): 3.5 ~ 4 hours Cycle Life: 500 times Protective Function: Over current / Over discharge / Over charge / Short circuit protection Operating Temperature: 0°~40°C Storage Temperature -10°~60°C Dimension: 87 x58 x 8.3 mm (L*W*D) Weight 50g