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White rectangular 65W AC adapter with USB port

Microsoft

Microsoft Q5N-00001 65W AC Adapter

SKU CH-Y4BH-XE29X

A 65 W power supply that charges Surface Book, Surface Pro 3 and Surface Pro 4 while also providing a USB port for a second device

  • Battery TypeLithium-Ion
  • 65 W output charges Surface Book and Pro models quickly
  • USB port powers a second device while the laptop recharges
  • 120 V and 230 V AC input works worldwide
  • Compact 1-inch profile fits easily in a bag
  • Designed exclusively for Surface for a secure magnetic connection

Microsoft Q5N-00001 65W AC Adapter

The Microsoft Q5N-00001 is a 65W AC adapter built for Surface Book, Surface Pro 3 and Surface Pro 4 tablets. It accepts 120 V AC or 230 V AC input and delivers 5 V DC output through a snap-in connector. A built-in USB port lets you charge a second device while the tablet powers up. This unit suits owners of those specific Surface models who need a replacement or spare charger.

Sustained charging behaviour

The adapter supplies a steady 65W to recharge the tablet battery during active use. The USB port shares the same power budget, so simultaneous charging divides available current between the tablet and the connected USB device. The snap-in connection maintains solid contact when the tablet is moved on a desk. The 1" profile keeps the brick compact for travel or permanent desk placement.

5 V DC output limits

The 5 V DC output is fixed for the proprietary Surface connector and the USB port. Devices that require higher voltage or a different connector cannot be powered from this adapter. The input range covers 120 V AC and 230 V AC only, so regions with other mains standards need a separate voltage converter. The single USB port supports one extra device at a time.

Highlights

  • 65 W output charges Surface Book and Pro models quickly
  • USB port powers a second device while the laptop recharges
  • 120 V and 230 V AC input works worldwide
  • Compact 1-inch profile fits easily in a bag
  • Designed exclusively for Surface for a secure magnetic connection

Specifications

Battery TypeLithium-Ion

Questions about this item

How much heat or noise does the 65W adapter produce when running all day?

The 65W Power Supply has no fan, so it runs silently; only mild warmth is felt during continuous use.

What must I already own for this adapter to work with my device?

You need a Surface Book, Surface Pro 3 or Surface Pro 4 with the proprietary Surface Connect port.

Will the 5 V DC USB port charge my older phone while the Surface charges?

Yes, the USB port delivers 5 V DC power simultaneously, letting you charge a phone or other USB device alongside the Surface.

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