Just add a battery and you have a complete solar-powered lighting setup. With 45 watts output, it is enough to run auxiliary lights on a farm shed or holiday house. The three solar panels mount on an angled frame for optimum efficiency and are portable enough to be used on a caravan or motorhome. The charge controller looks after the battery and shows output voltage on an LED display. It also provides over-charge/discharge and overload protection, and includes a variety of output options for running all kinds of devices including a 5V USB port and two 12V cigarette lighter sockets, one of which is dedicated for inverter use. Everything you need is in the kit: 3 x 15W amorphous panels; Angled mounting frame for panels 2 x 5W fluorescent lights; Charger controller; Cables & junction box.