Be sure that you do not get too close or leave flammable items near. It will take around 20 minutes to cool everything to room temperature. More on the Process Wash the copper in plain water carefully. This will ensure that you get majority of the black pieces off. The red layer of cuprous oxide should remain on the metal. A few exceptions include solar-powered cars and utility vehicles. Solar cars are usually fitted with the gauges similar to conventional cars. The driver has to watch the gauges closely to see potential problems and keep the car running very smoothly. Solar cars rely on PV cells to change sunlight into electricity. Parabolic dish systems provide the best efficiency over other technologies. The 50kW Big Dish in Canberra, Australia is a great example. The Stirling solar dish mixes a parabolic focusing dish that includes a Stirling heat engine that regularly drives an electric generator. The benefits of Stirling solar over PV cells are the higher conversion efficiency from sunlight into electricity, plus a longer lifetime. Nonetheless, using solar thermal systems would allow you to get back the total cost within 5 years of installation, and 15 years for photovoltaic panels, after which, you can then enjoy the benefits of cutting down the total cost for your energy consumption. Does Solar Energy Reduce Cost Of Energy Consumption? The inverter converts the stored DC power in the battery right into AC power for majority of household appliances. Measure the watts that you will need. Cheap inverters of various sizes can be purchased online too. Use a drill to attach the meter and DC input to the top region of the box. Charging Next, use insulated wire to connect the meter to the wingnut terminals found on the battery. The size of the array of photovoltaics or the number of solar panels, as well as the battery will rely on the individual power requirements. The solar panels charge the battery during daylight periods and the battery will provide power to the inverter whenever required. The inverter transforms the 12 volt batteries DC power into 120 volt AC power.