Converts daylight into electricity to charge 12V batteries extending battery lifeSuitable for trickle charging a wide range of batteries and power packsRequires only daylight not direct sunlight Amorphous solar panel charges even in cloudy and overcast weatherBlocking diode prevents reverse charging and protects battery discharge at nightRugged aluminium framePre-cut holes for easy mountingLink up to 10 panels together for increased powerPerfect for batteries stored in caravans boats and vehicles in long-term storageCan be used to power lights small TVs electric fans laptops stereos mains invertor required - sold separatelySupplied with 7A charge controller and all necessary accessories