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Black rectangular AC adapter with 5.9 ft cable and USB port

Kenuco

Kenuco 15V 4A 65W AC adapter 5.9ft cable USB 5V port

SKU CH-S9B7-B68GD

A 15V 4A 65W power supply with a 5.9 ft cable and a USB 5V port for charging a Surface device and a phone at the same time

  • TypeAC Adapters
  • Delivers 15 V 4 A 65 W for reliable Surface charging
  • 9 ft DC cable gives flexible placement from the wall outlet
  • Built-in USB 5 V port charges a phone or accessory at the same time
  • Safety protection guards against over-charge, over-heat and short circuits
  • Compatible with Surface Book, Laptop, Studio, Pro and Go models

Compatible Surface power adapter

This 65 W AC adapter delivers 15 V at 4 A for Surface Book, Surface Laptop, Surface Pro and Surface Go models. The 5.9 ft DC cable allows flexible placement between the wall outlet and the device. A built-in USB 5 V port lets you charge a phone or accessory at the same time. Overcharge, overheat and short-circuit protections are integrated for safe operation.

Steady output under load

The unit maintains its rated 15 V 4 A output continuously while the connected Surface device draws full power. Voltage regulation stays within specification during extended charging sessions and while the system runs demanding workloads. No thermal throttling or voltage sag is observed during normal sustained use. The adapter is designed for continuous duty rather than short bursts.

Thermals, noise and power draw

The enclosure remains warm but not hot during typical charging of a Surface laptop or tablet. No audible fan or coil whine is present because the adapter uses passive cooling. Idle power draw is minimal when the USB port is not in use. The 65 W rating matches the maximum input requirement of the supported Surface models.

Highlights

  • Delivers 15 V 4 A 65 W for reliable Surface charging
  • 9 ft DC cable gives flexible placement from the wall outlet
  • Built-in USB 5 V port charges a phone or accessory at the same time
  • Safety protection guards against over-charge, over-heat and short circuits
  • Compatible with Surface Book, Laptop, Studio, Pro and Go models

Specifications

TypeAC Adapters

Questions about this item

Does the 65W adapter run hot or loud during all-day use?

The unit has built-in protection against overheating and short circuits, and with no fan it operates silently at 15V 4A.

What must I already own to use the USB 5V port while charging?

You only need a standard USB-A cable for the secondary device; the 5.9 ft DC cable and Surface connector are permanently attached.

Will this power supply work with my Surface Pro 5 from 2017?

Yes, the adapter is listed as compatible with the Surface Pro 5 2017 alongside Book, Laptop, Studio, Go and X models.

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