Sunforce 12-Volt Battery Solar Charger - $19.99

Maintain peak power in any 12-volt battery with no-cost solar energy. Maintenance-free with amorphous solar cells that charge in all weather conditions. Works in extreme temps from -40 to 176. 5-watt hase four pre-cut holes for easy installation, and include battery clamps, CLA adapter and 10 ft. of wire. The 1.8 watt model has an electronic float feature that protects batteries from overcharging.Available:1.8-watt (13-3/4L x 1/2H x 5W)5-watt (13-3/4L x 3/4H x 13-1/4W) Type: Solar Chargers. 5 Watt Charger. - $19.99