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I have not tried this one, but I have another Rexing dash cam that I used to run off a power bank just fine.
Sorry, there was a problem. Please try again later.I think it depends. First of all this dashcam has a certain power requirement to run. It should be powerful battery bank, at least a few amps output. Also, when the camera is in idle or low power consumption mode, battery bank may shut it self off thinking no active load. When a battery bank is connected you need to power on the battery bank first then camera every time.
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