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I use a USB battery to power mine . A 10000 MA is about the right size to fit in the pocket and lasts about 5 hours before running out of power. It's not too heavy either. You can just use a USB cable to plug it in to a laptop or power plug as well but I like the portability of a battery.
Sorry, there was a problem. Please try again later.Thank you for reaching out to Sunbeam®. We appreciate the opportunity to respond to your inquiry. The Sunbeam® GoHeat™ USB Powered Heating Pad is compatible with your power bank, computer, car USB port, or wall adapter. For optimal heat performance, use a 2A power source. Should you have any other questions or concerns, please feel free to contact us directly. We hope this helps. Have a nice day!
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