Charge batteries or power deer feeders remotely with the Schumacher SP-400 Solar Panel. This solar panel absorbs a large spectrum of light for effectiveness on cloudy days. The lightweight design makes it portable, and the 4.8-watt trickle charge makes it easy to charge a 12-volt car or boat battery when you're adventuring. Schumacher SP-400 Solar Panel - Camping Appliances at Academy Sports