Are Hypers stackable USB-C chargers melting?

Did you buy one of Targus / Sanho / Hyper / HyperJuice’s nifty 100W or 65W USB-C chargers with stackable passthrough AC outlets that let you theoretically scale up to loads of powerful ports? I did — and today, I’m thinking twice about whether it belongs in my bedroom.

Yesterday, tipster Marc-Antoine Courteau brought it to our attention that some of these devices are failing and not always in a friendly “ports stop working” way. Numerous Kickstarter backers say their units are overheating to the degree they can melt their plastic housing. “I’m lucky I was sitting with it, smelled the melting plastic, and immediately took action,” wrote one backer named Scott.

So we asked Hyper’s PR team about it and were surprised by the company’s...

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