Solar powered battery maintainer for 12V vehicle or leisure batteries up to 100Ah. The low carbon, free way to maintain your vehicle battery when not in use. Ideal for seasonally used vehicles such as caravans, classic cars, motorcycles and golf trolleys. Supplied with DC power plug and battery clips, as well as suction cups to secure in place. Works in overcast conditions and weather resistant. Reverse polarity protection prevents damage if the clamps are connected to the incorrect battery poles.