Moki Power Banks charge your portable USB devices anywhere,anytime. 7800mAh is the ideal size for extended trips when you don't have access to power for a couple of days or heavy smartphone users who find they constantly need a daily top-up. Will fully charge most smartphones 2-3 times before recharge is required. The dual 1A + 2.4A outputs makes it suitable for charging tablets and fast charge devices. Key Features which includes Power Input: 5V / 1A | Power Output: 5V / 1A - 5V / 2.1A | Charge Time: 8 hrs via USB | Dimensions: H 10.5 cm x W 6.2 cm x D 2.2 cm | Operating Temp: 0?C ~ 45?C | Weight: 172 g