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A score of at least 200W would be an excellent pick for the class. That way, you’ll be able to power most smaller electronics. On a side note, you should look at the battery capacity, too. If you’re going to buy a device with a long-lasting life, you should look for something with at least 300 Wh. In other words, you should get a gadget that can run a 300W device for one hour.
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