The Mobi Products Cradle with spare battery slot for HTC Thunderbolt let's you easily charge your Smartphone and a spare battery at the same time. Easily synchronize and charge your HTC Thunderbolt with any USB-enabled computer. Just connect the cradle to your computer's USB and you're set! The HTC Thunderbolt is charged through your computer's USB port.

The cradle features a spare battery charger - great to have if you have multiple batteries. If you want to use the cradle's spare battery charger, you also need to connect the bundled AC adapter. The AC adapter does not charge your device, it only provides power to the battery slot.

Features:

• Charge your HTC Thunderbolt and a spare battery at the same time
• Synchronize while device is docked in cradle
• Convenient charging for the office or bedside
• Specifically for HTC Thunderbolt