Enerdrive 20A Solar Controller with Load Disconnect, 5 Year Warranty For maintenance free protection of your batteries and solar panels the controllers regulated output will prevent batteries overcharging Load Disconnect (LD) feature will protect batteries from being over discharged Enerdrive Solar Charge Controller benefits include : Protects battery from overcharge and discharge Only for 12 Volt solar panels and batteries Handles up to 20 Amps of Array Current Handles up to 350 Watts of solar power Maintenance free protection of your solar panel and batteries Maintains battery voltage Maintain 12V batteries in a fully charged state Features: LED status indicator provides quick reference to Charger, Battery and load status Selectable battery type Temperature compensation High precision on voltage set point Wall mountable