how many panal and battery is required for a 250 watt appliace to run for 12 hrs

[rajesh]

hi!

Please tel me
1) How many panal , battery and other equipment is required for a 250 watt appliace to run for 12 hrs every day.
2)I have one inverter and one battery can it be used?
3) can i run 250 watt applicance for 12 hrs every day on battery, if it is charged.

yours sincerely.

[Sunking]

Cannot answer the panel wattage without location and time of year use other than somewhere between 750 to 3000 watts. Battery capacity will be 15,000 wh which means at:

12 volts @ 1250 Amp Hours
24 volts @ 625 Amp Hours
48 volts @ 312 Amp Hours