you to recharge your battery pack Includes dock connector to power and charge your iPhone and iPod Mini USB cable included to power and charge other mobile devices, such as cell phones, PDAs, and more  (less)

home with it fully charged. The dock also charges the included Mini Battery Pack so you can take an extra boost of backup power with you on the go. Compatible with iPhone 3G, iPhone, iPod touch, iPod nano (1st, 2nd, 3rd, 4th gen), iPod classic, iPod mini, iPod (1st, 2nd, 4th, 5th gen). Actual play time may vary by device. Some devices, depending on age and usage will have extended usage times that differ from above. As your Kensington Mini Battery Pack is used over time, it will have a reduced ability to provide extended time and the times will decrease from those shown above.  (less)

Battery Pack and Charger for iPhone and iPod touch. It even doubles as a kickstand for hands-free landscape viewing of movies and video when you´re on the road. Extends play time up to 23 hours music, up to 7 hours of video and up to 5 hours of talk time* (*Actual play time may vary by device, extended play time listed based on iPhone 3G. Some devices, depending on age and usage will have extended usage times that differ from above. As your Kensington Travel Battery Pack and Charger is used over time, it will have a reduced ability to provide extended time and the times will decrease from those shown above.) Compatible with iPhone 3G, iPhone, iPod touch. Charges iPod nano (1st, 2nd, 3rd, 4th gen), iPod classic, iPod mini, iPod (1st, 2nd, 4th, 5th gen). Note: Headphone po...  (less)

also charges the included Mini Battery Pack so you can take an extra boost of backup power with you on the go.  (less)

3 hours of talk (on iPhone) Includes retractable USB charging cable High-capacity, rechargeable Lithium-Ion polymer battery pack for increased energy efficiency Small enough to keep connected to your iPhone or iPod  (less)

and other mobile devices a boost of battery power anytime, anywhere. And it´s rechargeable, so there´s no need to buy expensive batteries. It´s safe to use anywhere even on airplanes. Works with your own USB cable or purchase separately a Kensington USB Power Tip pack with retractable USB cable.  (less)