An Electric generator is the equipment used in generating electricity via converting the mechanical energy into an electric one. There are different types of Electric generators, and different brands but what matters the most is the source energy which the generator depends on to provide electricity. The different energy sources could be a water-falling either through a waterwheel or turbine, solar energy, compressed air, or any source of mechanical energy. Though there are some generators that could actually run just by using a battery.The Matrix Electrical Generator is the type of generators that run on petrol, it consumes about 4 Liters to run whole apartment electricity for 10 or 12 hours, it depends on the consumption proportion.  noisy generator, Also, it does not take much space it could be put at any place either inside or outside your home, just place it close to any power supply.