On Feb 12, 10:17*pm, Bill Wright wrote:
Do you mean 8.64 watts for an hour?

Obviously, 0.03 Amps x 12 Volts x 24 hrs = 8.64 Whours.

If so it doesn't sound as if it would be difficult for the
panel to at least help the situation significantly.

Oh it will help.

Just realise where you locate it will make a big difference.
If you stick it on the dashboard with the solar transit entirely
behind the car you are not going to get much direct sun :-))