800va Solar Generator, technology improved... Best & reduces much solar accessories in your home or any where, the battery, inverter, charge controller all already installed,no need over clouding your space with solar accessories, the 800va complete package with panelsx2, 100ah batteryx2... You can add up more external battery if you wish. Power your home, offices etc not depending on electricity anymore solar technology has taken over, do not be left behind, enjoy your life to the fullest...