This is a highly cost effective and efficient PWM charge controller which could be incorporated in any UPSInverter or as a ‘Stand-alone Charger’ for Solar Panels, charging batteries. Driven by a Microcontroller, it has high Open Circuit Voltage limit and a good Vmpp range for a PWM design. Automatic Mains disconnectreconnect feature and Automatic DC Load disconnectreconnect feature make it a complete application friendly solar charge controller. The LED indications include Solar charger OnOff and Battery BoostFloat charging.