Monocrystalline solar cells are more efficient than older amorphous solar cells for 12V batteries, producing up to 10W of power Ideal for caravans, small cars, motorbikes, golf carts etc. IP65 rating making it waterproof Works in cloudy weather Supplied with a 12V power connection for easy charging Alligator clips for charging directly to the battery Polarity protection to prevent damage to clips connected to the wrong battery terminals 3m power cable for easy connection Compatible with OBDII port solar cable RSPOBDN Product dimensions (mm): HxWxD 370 x 235 x 25 Weight (kg)1.092 Voltage18V AmpsOutput 0.56A Power 10W