There should be new cables and devices available this year that support the new USB specification enabling 240 watts, more than doubling the maximum of today's 100 watt USB-C cables.
As ZDNet sister site CNET reports, the USB Implementers Forum (USB-IF) unveiled the 240 watt capacity for USB-C cables and connectors in USB-C Release 2.1 and the USB Power Delivery (USB PD) Revision 3.1 specification.
The higher power range means that USB-C will be able to support larger laptops for gaming, docking stations, 4K monitors and printers. USB-C has oval ports and reversible cables, supporting phones, tablets and PCs.
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"With the new capabilities of USB Power Delivery 3.1, we now enable higher power products such as larger notebook PCs to shift from traditional power connectors to USB Type-C," said Brad Saunders, USB Promoter Group chairman.
"We also anticipate a wider range of product application developers outside of the traditional USB ecosystem to now consider standardizing on USB Type-C with USB PD power their power needs."
USB-IF told CNET that devices supporting higher wattages should be available in the second half of this year.
The 240-watt USB-C variant is called Extended Power Range (EPR) and products with this will be required to have icons that inform the user that a cable supports up to 240W.
But it also means there will be new lower-power cables called Standard Power Range (SPR). Cables will be identified as usable for SPR only while others will be usable for SPR and EPR, according to the specification.
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USB Power Delivery Revision 3.1 specification includes the capability to provide up to 48 V and 240 W of power.
With the higher power option, the USB-IF has provided manufacturers advice on how they can prevent an electrical current arcing through the air between the USB-C plug and port when users unplug a device.