Amorphous solar panel converts daylight directly into 12V electricity. Suitable for maintaining charge in a wide range of batteries and power packs. Ideal for batteries stored in boats and caravans and for batteries in vehicles in long-term storage. IP44 Rating (non-waterproof). For use behind car windscreen or other protection. Supplied with optional screw fixings, battery clips and vehicle accessory socket plug (only suitable for vehicles with “permanent live” accessory socket).