Power from a bike battery
 

I am looking for a power suply that converts power from a bike battery to multiple voltages, to charge a computer, AAA and AA batteries etc. Anyone have an idea?

Uou need a small inverter which would best work with the engine running (to save your battery)
- but far simpler would you be a 12v cigar plug for your laptop and battery charger (both available) with the female socket wired to your battery with fuse on + (car shop - 5 quid) - less weight, complication and wastage converting voltages up and down.

I just used this to recharge my camera - it worked fine even with engine off.

Chris S

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Author of Sahara Overland and the Adventure Motorcycling Handbook, among other things

http://www.sahara-overland.com

I installed a 12 volt receptacle on my motorcycle for exactly this purpose. Below is a link to a thread that discusses the installation and has some photos, part numbers, etc.

Granted, my bike is a Honda ST1100 (PanEuropean) - not exactly a dual sport, but the idea and the parts used would be the same for any bike. I recommend using the Volkswagen receptacle (available from any VW dealer) because it is almost all plastic, therefore no corrosion problems.
http://www.my-mc.com/messages/1/791.html