Retail boxed 5 amp Kemo solar charge controller/voltage regulator for use with all 12v charging solar panels up to approx 90watts,this solar charge controller will automatically Regulate the flow of charge from the solar panel to the battery and automatically switch off the solar panel when it senses the battery is full, it will automatically resume charging again when necessary,this solar charge controller is also fitted with two leds to give a clear indication of whether the battery is charging or is fully charged and like the smaller kemo 1.5a solar charge controller is very easy to install,these can be directly mounted on a flat surface if required,price includes vat and delivery.