Samlex America Suncharger Portable Trickle Charger 5 Watt. Ideal for maintaining trickle charge in any 12V battery the Samlex America Suncharger Trickle Charger collects and stores extra energy from the sun. The SC-05 SunCharger is portable and easy to use. To ensure maximum efficiency the panel prevents back flow of current from the battery to the panel. The Samlex America Suncharger Portable Trickle Charger is a rugged and weather-proof design so you don't need to worry about damage in the wild. Features of Samlex America Suncharger Portable Trickle Charger Maximum efficiency Prevents back flow of current from the battery to the panel Direct charging no need for additional Charge Controller Semi-flexible panel construction Rugged weather-proof design Package Contents: Samlex America Suncharger Portable Trickle Charger Samlex America SC-05: Suncharger Portable Trickle Charger 5 Watt