Shelley was a key member of a close circle of visionary poets and writers that included Lord Byron; Leigh Hunt; Thomas Love Peacock; and his own second wife, Mary Shelley, the author of Frankenstein.
If the 900 watts means the input power, then 1000 w inverter would be ok. If the microwave produces 900 w of cooking power, you will need a bit more, maybe 1200-1400 w if you don't know what the input power rating of the microwave is.
Place bowl in microwave. Set cooking time, and cook. In a 1,000-watt microwave, a 50 g serving cooks in 30â45 seconds on the highest setting. Time will vary based on the ovenâs wattage and how much food you are cooking. With a knife, puncture plastic wrap to allow steam to escape. Remove bowl from the microwave and unwrap.