Everyone has had the experience when you have forgotten to charge your phone and you realise it part way through the working day.
I have.
So I bought one of these from Maplin – a Battery Powered Emergency Mobile Phone Charger. It uses a single AA cell battery to put a useable charge back in your device. I experimented with it this weekend and it put a charge back into my Blackberry when it was completely discharged.
I then got my soldering iron out and made a cable up so I can charge my Dell PDA as well. This gadget will also charge my GPS receiver when I am walking – a good safety device.