Up to 725 watts in combination of Solar + Grid(mains) + Batteries and Up to 546 watts of power in Peak Hours i.e.5 hours of sunlight and 227 watts on average of considering 12 hours of Day light without main supply (Purely OFF Grid) e.g. combination of - 2 Ceiling Fans, Led lights, 1 Television , 1 Laptop Charger, 2 Mobile Charger. it generates 3.5 units, which is used for Running Load and battery charging for backup. require shadow free space of 100 sqft to install.