Built-in 1,800 mAh rechargeable battery
Built-in flex arm with Micro-USB connector for charging on the go
Collapsible AC prongs to serve as a day-to-day wall charger
The TYLT Energi combines a backup rechargeable battery pack with a rapid home charger. It's high capacity battery will fully charge your smartphone once while on-the-go. Also available in Lightning Connector version.