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300 replaced 290 with two ac plugs. Ran a regular box fan on it. Ran at about 75 watts close to 4 hrs.
Sorry, there was a problem. Please try again later.Dear Customer, Thanks for choosing Jackery and reaching out to us. The Jackery300 has a little more power than the Jackery290. Just make sure that the power of the portable fan is within the power of the Jackery300. If you have any questions, please feel free to contact us. Thanks & Best Regards, Jackery Support Team
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