Redesigned connectors for universal compatibility with any device powered by a 6-volt battery Retrofitted with alligator clips for June 2007 and earlier feeders Trickle charge maintains battery life without overcharging Compatible with any Moultrie feeder with an external power port Not compatible with Moultrie game cameras Redesigned connections allow you to plug solar panel into game feeder or digital trail camera Retro fitted with alligator clips for feeders and cameras purchased before 2007 Trickle charge maintains battery life and will never overcharge .