I bought this to power a 700 watt output (1200 at the plug) small sunbeam microwave in my work van, it says on the box AND cobras website that this is possible. Guess what, set it all up microwave basically will just buzz and do nothing. Tried 2 diff micros- no good. After more research i learned that a microwave needs a Pure Sine Wave AC current to operate its inductive motor. This cobra is a modified sine wave. I sent this back to walmart, bought a "pure sine" from lowes, microwave now works great. The pure sine i bought it actually less watts too (1200 for 20 minutes, 1000 continuous, 2000 peak ) I was powering both with a 4ft 4gage set of wires. If your not powering a microwave this seems to be an otherweis great inverter, has a nice digital readout and easy install.
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