2.4 amps per port times 5 volts (all commonly found USB is 5 volts, excluding the very recent USB-C and special cases) equals 12 watts per port. 12 * 6 ports is 72 watts, which is significantly more than the '50 watt' product description.
True, but I don't think they're exactly misleading people. They're not saying you'll be charging six iPads at full power (though as you say, I don't know what would happen then either), they're just giving you the maximum potential output, and 10 amps is more than I'll need.
Here's what I need to charge on a typical family vacation, in which a device like this would typically be found plugged near a nightstand or dresser:
- my wife's iPhone 6
- my Nexus 6
- Moto 360 stand
- 2 bluetooth headphone sets
- Nexus 7 tablet
I don't think my nexus 7 charges at 2.4 amps, so this should put me under the 10 amp total for that device. In that case, I think I'll go ahead and get that thing.
But thanks for some clarification of USB charging.
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