New Delhi (India), March 25: Pro power Saver also known as real watt has a customer review of 4.8/5.0. It is known that the electricity that comes to our homes is not stable. There are many fluctuations, rises and falls, and surges/Spikes in this current. This unstable current cannot be used by any of the household appliances. Moreover, the fluctuating current waste the electric current from the circuit by converting electrical energy into heat energy.