A:
It will run offer a 6 volt 4.5 amp battery. Try item number 38-802-908-00. The amount of energy a solar panel can generate is it's peak rating (in watts) times the insolation averaged over an entire day (in hours), giving a value in watt-hours. For example:
A 100 watt panel gets an average of 5 hours of good sun/day. It would generate 500 watt-hours.