Highly Efficient draws around 3A current at low speed and around 5A current at High speed. IF the size of the room is bigger than more than 1 No. has to be installed or a higher capacity cooler can be designed. The Desert cooler consists of four separate components. 1 Cooler with DC 12" blade Fan and Water pump. 2 Solar charge controller and Power supply Box (with battery). 4 Optional Intelligent charger. 5 Courier Charge for All India. 1 Cooler with DC 16" blade Fan and Water pump.