Solar power is a renewable resource
Solar powered cars are battery powered cars. The solar array is charging the batteries. So there is no real difference.
yes
No, it is powered by its own internal rechargable battery.
no, not at all. there are g shocks that are battery powered
solar powered graphite
Yes, there are companies selling solar powered battery chargers that you are looking for and at a low price too. Amazon.com is just one of the many sources.
Solar powered cars have a solar panel somewhere on the outside of the car, and the energy is either directly run to the wheels, or charges a battery, which then powers the wheels, where as electric powered cars use only a battery, which can now be charged using a regular plug.
They use power from an internal battery when solar energy is not available.
It either has solar energy stored in a battery or it doesn't move.
Solar battery chargers are a great option for powering your devices at home or on the go. They are powered by the sun and can be recharged again and again.
Solar powered radios would be your best bet becuause they use the suns energy to charge up a solar battery and with the battery will keep your radio playing for a very long time and since the sun is it's energy source chance are you'll never run out of power.There are hand crank radios that fit in this category as well.
Yes. You'll need solar panels, a controller, and a battery.