Nature Power 40015 18-Watt Solar Powered 12-Volt Battery Charger

18-Watt solar panel to keep your 12-volt batteries charged; charge controller is sold separately
High quality amorphous solar material will work in all light conditions even on overcast days
Weatherproof for outdoor use
Battery clamp, and flat or tilted mounting hardware included
Provides up to 18-watt or 1.2-amp per hour of sunlight

The 18-Watt Solar Battery Charger takes the sun's energy and turns it into electric current. The current is delivered to your 12-volt rechargeable battery to charge and promote the longevity and health of your battery. This solar panel is lightweight and versatile and can be used with any rechargeable 12-volt battery to provide a portable power solution for a variety of applications and coupled with an inverter can provide AC power for places such as remote cabins and cottages or non-electrified