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myVolts

myVolts 87W USB-C AC Adapter 6.6ft Cable

SKU CH-Z79D-SB40N

An 87W USB-C power adapter with a 6.6ft cable, automatically selecting the fastest output up to 20.4V/4.3A for laptops and phones with USB-C charging ports

  • 87W USB-PD output charges compatible laptops quickly
  • 6ft USB-C to USB-C cable included for flexible placement
  • 100-240V AC input works worldwide from 50-60Hz mains
  • Multiple voltage profiles from 20.4V down to 5V match connected devices
  • Built-in IC chip provides overload, short-circuit and heat protection

87W USB-C Adapter for Laptops and Phones

This 87W USB-C AC adapter supplies power to laptops and smartphones that charge through a USB-C port. It accepts AC input from 100 to 240 volts at 50 or 60 hertz. A 6.6ft USB-C to USB-C cable is included in the package.

USB Power Delivery Voltage Steps

The adapter delivers power at fixed USB Power Delivery voltages of 20.4V, 20V, 18V, 15V, 12V, 9V and 5V. Current at each step is limited to the values listed in the specifications. Devices that require a voltage or current outside these steps will not charge at full speed.

87W Maximum Output Power

The single specification that decides fit is the 87W maximum output. Laptops that draw more than 87W under load will not receive sufficient power from this unit. Buyers who need more power for larger workstations or gaming laptops should look for a higher-wattage adapter.

Highlights

  • 87W USB-PD output charges compatible laptops quickly
  • 6ft USB-C to USB-C cable included for flexible placement
  • 100-240V AC input works worldwide from 50-60Hz mains
  • Multiple voltage profiles from 20.4V down to 5V match connected devices
  • Built-in IC chip provides overload, short-circuit and heat protection

Specifications

No published specifications for this item yet.

Questions about this item

Which of the listed output profiles should I choose for my device?

The adapter automatically identifies the connected device and selects the fastest supported profile from 20.4V/4.3A down to 5V/2.4A without manual selection.

What does the 87W headline figure mean once the adapter is in a real machine?

It represents the maximum power the adapter can deliver at 20.4V/4.3A; actual charging speed depends on the device's own power negotiation and thermal limits.

What interface standard does the USB-C port use and what does it cap in practice?

The port uses USB Power Delivery across multiple fixed voltages up to 20.4V/4.3A, capping output at the negotiated profile the device requests.

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