Sunforce 15-Watt Solar Charger With 7-Amp Controller - $99.99

Maintain peak power in any 12-volt battery with no-cost solar energy. Works great on RVs, boats, deer feeders or anywhere you need consistent, cost-free power from the suns rays. Durable, maintenance-free ABS construction with amorphous solar cells that charge in all weather conditions. Built-in blocking diode prevents batteries from discharging overnight. Works in extreme temperatures from -40F to 176F. Four pre-cut holes for easy installation.Includes: battery clamps, CLA adapter and 10 ft. of wire. Maximum output: 15-watts, 1 amp. Dimensions: 38L x 13-1/2W x 5/8H. - $99.99