Moki Power Banks charge your portable USB devices anywhere, anytime. The 5200mAh is the ideal capacity & size for extending your daily use of a smartphone without the need for recharging it every time it's used. 5200mAh will fully recharge most smart phones at least once when you don’t have access to power. Key Features which includes Power Input: 5V / 1A | Power Output: 5V / 1A | Charge Time: 4-5 hrs via USB | Dimensions: H 10.5 cm x W 4.4 cm x D 2.2 cm | Operating Temp: 0?C ~ 45?C | Weight: 118 g