The description about this item is Microtek UPS HB 1125 a is a superior product that comes with multiple features such as bua bypass switch and battery gravity management being pure sine wave UPS it does not create any human noise and recommended for running at sensitive appliances. This is not a solar inverter .it cannot charge 200 ah battery which draws 20 ampere current the back up at Standard condition fully charge battery of 100 AH in one hour for 900 watts.