Junior Kit System is compact, easily portable and is the ideal tool in the first steps to learning about renewable energy. Rutland 503 Windcharger generates 25w @ 10m/s (22mph) and up to 80w. 30 Watt Solar Photovoltaic Panel (Dims: 60 x 50 x 5cm Wt: 4kg). Junior Power Monitor interconnects the system components, displays essential parameters and includes a battery voltage controller. Displays wind and solar charge currents, load current (max 10A) and battery voltage. Dims: 26 x 30 x 11cm 70Ah 12V Battery. Solar Panel Mounting Kit. 50m Cable, Connectors and Battery Terminals. Full installation & operating instructions supplied.