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Is operating a device on 8.4 volts dc the same as on 9 volts dc?
Wiki User
∙ 11y ago
Devices designed to run off a 9V battery are generally designed to work properly over the full operating voltage range of a 9V battery, from fully charged (typically up to 9.6 V) to nearly dead (typically 5.0 V).
Those devices work just as well at 8.4 VDC as they do at 9VDC.
Technically "8.4 VDC" is not exactly equal to "9 VDC", and so the current going into the device, the temperature of the device, the voltage at internal nodes of the device, etc. will all be slightly different.
Those slight differences are almost always irrelevant.
Wiki User
∙ 11y ago
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