I got one of the aldi power packs for £9.99 - recharges my ipda and iphone twice before it requires charging. Handy when you forget to charge your phone and your not sat near a 240v socket.
I also have a couple of micro/mini usb leads so I can charge my phone/lights etc from my bike...
I also have a couple of micro/mini usb leads so I can charge my phone/lights etc from my bike...