American Hunter knows you need a charged battery to keep your feeder working and this is their economy 6 volt model that produces a trickle charge. Made to attach to any battery and has mounting brackets to aid in mounting near the battery.

Specifications and Features:
American Hunter Economy 6V Solar Charger
Great for keeping batteries charged in deer feeders, lanterns and flashlights
Constant trickle charges your 6 volt feeder batteries
Will not overcharge
Includes convenient mounting brackets
Alligator clips attach directly to any spring tab or F tab 6 Volt battery