Battery comes with a carrying case and two USB type cables> Micro USB for charging your devices or recharge using the supplied AC adapter.
Another advantage, undeniable is the use of iSmart technology. Indeed, this technology allows you to charge a device according to the maximum power that can receive. And there, frankly, it's really good for your devices (tablet, smartphone, reading light, camera, gps etc) are reloaded at maximum speed without their battery is damaged and that's really good. And you can even charge the both knowing that one of the ports and the other is 2.1A 2.4A you can use two energy devices as two tablets.
Finally, the battery is very strong, we feel the RAVPOWER quality. You will not be disappointed. This is a battery of a excellent value for money that will allow you to save your holiday outings when you fall out of power and there are no outlets nearby. Let him that this never happened raises his hand. Anyway, now, with this battery, this does not happen and you can go on weekends or holidays without worrying about chargers for your smartphones and tablets!