500w Qasa solar generator has battery capacity of 70ah and 12v inbuild battery. The inverter capacity is 300w pure sine wave. Input voltage is 12v DC, 180v-240v Ac. It has an output voltage of 230v AC,12V DC, 5V DC. 300w solar panel suitable to power it. It will power 2 bedroom apartments and essential home appliances such as TV sets, lightnings, home theatre,decoder, phone charging, and laptop.