Going back to solar pannels and can they/can't they be used to charge a vehicle's battery. I have no real idea in practice whether they can, and my physics is a bit rusty, but I assume a trickle of a few amps at low voltage over a period of a few hours adds up to useable energy to charge a battery. Maybe there is a limit on the voltage achieved from a solar pannel in which case wouldn't a transformer sort this out?
Presumably there are some people using solar pannels. Are they charging vehicle batteries or using them to power things like radios and gps direct?
Generators might be more practical, but in terms of noise, they can be pretty antisocial.
[This message has been edited by Tonyabc (edited 25 September 2004).]
[This message has been edited by Tonyabc (edited 25 September 2004).]
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