maximum power out put is 500 watts
an average washer uses around 850 watts some expensive ones uses around 1000 watts
yes, i am using microtech 850 UPS with Exide 1500 AH Battery
VA and Watts
45 watts
Hoovers use 1000 - 2000 watts
Abut 20 watts.
189 watts
25 watts.
650 watts
About 10 watts
Well unless you mistyped something 500kva is 500,000 watts. That would be 41,666 12 volt batteries!
it may use 15 to 25 watts