Solarizer (Solar Adaptor) is an intelligent device which converts existing non-solar home inverter into a solar inverter/ PCU, without changing the existing inverter, battery and wiring. It uses solar energy to charge the battery and maximizes the use of solar power with minimal use of conventional grid power. It allows Mains/Grid power to cater to the load only when the battery is discharged below the preset level and till the battery reaches upto a pre-defined charge level or at night time, when Solar PV in absent. This ensures energy security to the user and also helps to reduce his energy cost.