1.power source for lighting in towns or countryside, and for operating everyday electric apparatus such as TV, air conditioners, coolers, cookers, refrigerators and washing machine, etc.
2.Power source for lighting in open air working places and  for running such machine as drillers, electric motors, grinders, water pumps, etc.
3.Power source for lighting in open air working places and  for running such machine as drillers, electric motors, grinders, water pumps, etc.