Hello friends.
I Am using this product from last 3 years, its very good product for office and home purpose,
in our house Im using two 12volt batteries for long backup, once fully charged, it will run almost 2 days continuesly with 2 fans and 5 20v led bulb, you can also run mixer and grinder easily .
only disappoint is it will make noisy sound when its charging, . otherwise its very good.
thank you.