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By Keith Wagstaff

The Apple Watch received plenty of props for its wireless charger. It turns out actually plugging in the watch, however, could be the faster way to go.

A company called Reserve Strap says that charging through the six-pin port on the bottom of the watch was 5 percent faster than using the normal magnetic inductive charger.

Technically, Apple calls it a diagnostic port, and it isn't exactly easy to get open. But if it really does allow for faster charging, it's possible that other charging straps — which provide extra juice from their own batteries —and third-party chargers could start taking advantage of it. NBC News contacted Apple for comment but the company did not reply.

Related: Here's Why Your Boss Is Pumped About the Apple Watch

Some experts have been less than impressed with Apple Watch sales. Still, if the gadget takes off, there is likely to be a flurry of third parties trying to cash in with accessories, much like they do with the iPhone. For now, there aren't many Apple Watch charging straps out there.

Reserve Strap might promise faster charging, but it cost $250, nearly as expensive as the cheapest Apple Watch.