Enthusiast, known as AmpEater, built from parts available to him in the electric lawn mower and go with solar panels. The base served as a forklift. The new engine is powered by a 144V nominal value of three series-connected lithium-ion batteries EnerDel (48V 3A). Advantageous feature of the design is a zero turning radius.
Read another very interesting article about alternative energy of the Sun, water and air.