What you need to know
USB-C cables could support up to 240W charging at some point in the future.
The USB Implementers Forum outlines the new spec, known as Extended Power Range.
Powerful laptops can draw more power than the current USB-C spec, making them need proprietary chargers.
While many modern laptops have USB-C ports that support charging, more powerful laptops like the Surface Book 3 and the best gaming laptops need proprietary chargers. These powerful laptops draw more power than the current USB-C standard supports, making proprietary hardware necessary. That could all change soon, thanks to a new specification from the USB Implementers Forum (USB-IF).
The 2.1 update from the USB-IF pushes the power spec of USB-C up to 240W (via Tom's Hardware). It could be years before we see any cables and devices that support that much power, but when it does arrive, it could allow more p...
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