If you’re tired of having an iPhone with a screwed up battery, just wait until the 28th of November when Power Slider becomes available. According to them, this is the first device that can offer the following 4 features for iPhone 3G:

- protection
- expanded battery life
- synchronization
- charging functions

The Power Slider is suppose to double the iPhone’s battery life, and you won’t need to remove the Apple phone from its case in order to use it. Other features include a battery status indicator via 5 LED lights, and a USB interface for the recharging sessions.

Battery life details when using Power Slider:

- Standby time: up to 330 hours
- Audio playback: up to 26 hours
- Talk time: up to 5 hours on 3G network and 10 hours on 2G network
- Video playback: up to 7 hours
- Internet use: up to 5 hours on 3G network and 6 hours on Wi-Fi

Power Slider