Ideal for the Joggler, Normal Price range £25-70 http://www.amazon.co.uk/Zooty-iDol-Portable-Power-Provider/dp/B000J4EB5W
The iDol Portable Power Provider is designed for professional use - now available to you! Its a universal external battery with long operating time, wide compatibility, super thin design and convenience for any 3C device using DC 5V or 9V.
Plug your 3C device(s) into iDol with an appropriate adaptor, and then experience the convenience of iDol wherever you go.
Not to be compared with cheaper versions - This product is a Japanese Design and uses a Sanyo Battery and is designed for long term use.
The Idol internall battery can be charged over 1000 times or approx 3500 charges to your peripheral or 3 years of every day charging your peripheral.
Firewire 1394 - A World 1st Charging if supported by your peripheral!