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  Reply # 1818974 10-Jul-2017 16:39
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It may have come off. Now it is common to laser engrave things or put it in the molding of the case, in the past paper adhiesive labels were quite common.


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  Reply # 1846997 15-Aug-2017 12:38
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UPDATE:  I got hold of a nifty USB style device that measures USB port amps and volts.


I plugged the 'unknown' power adapter into a powered multi-port USB bank, and the device into one of the ports.


Gave me a steady reading of 7.8 volts.


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  Reply # 1847228 15-Aug-2017 17:57
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I'm surprised that it didn't destroy the USB power bank. As USB runs at 5V. Jaycar sell a multimeter for $11. Which is a far better way of measuring voltage from unknown power supplies.

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