Solar powered battery maintainer for 12V vehicle or leisure batteries up to 200Ah. 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, golf trolleys, boats and sheds or garages. Supplied with DC power plug and battery clips, plus mounting screws for secure fitment. Works in overcast conditions and weather resistant. Reverse polarity protection prevents damage if the clamps are connected to the incorrect battery poles.