If all they need to do is signal requesting higher amperage, why are there diffe... | Hacker News

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		andreyf on Aug 23, 2014 \| parent \| context \| favorite \| on: USBCondom If all they need to do is signal requesting higher amperage, why are there different ones for different devices?

rahimnathwani on Aug 24, 2014 [–]

Different manufacturers' devices expect different voltages on the data pins. A voltage which says "yeah, draw 2 amps" to an iPad may not indicates the same thing to a Samsung device.

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