The Go Power! 95-Watt Solar Charger is a high efficiency monocrystalline panel on the market, which takes the suns rays and creates DC power to charge the batteries. This panel will even produce some charging power in overcast weather. This kit charges up to 5.45 Amps per hour of good sunlight and averages about 228 Amps per hour of charge in a week. This kit includes a 30 Amp digital solar controller capable of handling up to 480 Watts of solar, all mounting hardware to mount the panel flat on the roof and 25 feet of UV resistant cable for wiring up the solar system and contains all instructions.