The 20wp Solar Panel Pack is ideal for use in caravans where the time spent away from a mains hook up is no more than 4 days. Also useful for charging consumer appliances such as mobile phones, electric toothbrushes, digital cameras, powering electric gates, garden pond pumps or TV’s. The 20 watt panel provides a continuous trickle feed maintaining and extending the life of any 12 volt battery This Pack is great for small power consumption projects and perfect for use in boats and caravans during weekend trips. The solar panels can even be used for projects as diverse as powering electric fences or charging small power tools. The panel provides a continuous trickle feed maintaining and extending the life of any 12-volt battery. It is fitted with a blocking diode to prevent reverse current drain. No cable included.