This Wildgame Innovations 6V Solar Panel is made from eDRENALINE 6 volt mono-crystalline and it is designed for use with 6V rechargeable batteries only. The Wildgame Innovations 6V Solar Panel is a long-lasting outdoor product perfect for any adventure you have in mind. Wildgame Innovations 6V Solar Panel is for use with 6V rechargeable batteries only do not use with spring-top lantern-style or alkaline batteries. The outdoor solar panel features stainless-steel shields for the external wiring and a clear polycarbonate cover keeps the solar panels protected in the field. The panel also features battery connectors with silicone rubber boots that allow for easy connections to most rechargeable batteries.