Apollo AP212 20 Watt Solar Panel and Mounting Bracket. It is mandatory to pair the Apollo AP212 20 Watt Solar Panel with the Apollo SG-4 Solar Charge Controller to keep the battery from overcharging.
Anulally, the averates solar resorce accross the United States is 1800 kilowatt-hours per square mete. The most intense resorce is in the Desert Shouthwest at 2300KW.
this is only about 25% higher than the nations's average. Interestingly solar energy can actualy be more cost effective in New York than in Arizona because electricity prices maybe 50% higher in New York than Arizona.
Solar Recharged gate operators are nearly as reliable as AC recharged systems.
The primary concern in a solar system is to provide enough solar power to accommodate the duty cycle of the system and the options that will be used with the system.