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Compact black rectangular AC adapter with detachable power cord and USB charging port

Blueskysea

Blueskysea 65W AC adapter for Surface Pro 3-9 X Go 1-3 Book 1-2 Laptop 1-5 Studio

SKU CH-FKQP-XJP6D

65 W charger powers Surface Pro 3-9, Laptop 1-5, Book 1-2, Go 1-3 and Studio with 15 V 4 A output plus a 5 V 1 A USB port for phones

  • TypeAC Adapters
  • 65 W output powers Surface Pro 3 through 9 and Surface Laptop 1 through 5
  • 15 V 4 A delivery matches original charger specifications for compatible devices
  • 5 V 1 A USB port charges a phone while the laptop charges
  • 100–240 V 50–60 Hz input works on mains worldwide
  • Overvoltage and short-circuit protection tested on every unit

Replacement AC adapter for Surface devices

This 65 W power supply replaces the original charger for Surface Pro 3 through 9, Surface Pro X, Surface Laptop 1 through 5, Surface Book 1 and 2, Surface Go 1 through 3 and Surface Laptop Studio. It accepts 100 to 240 V input at 50 to 60 Hz and delivers 15 V at 4 A for the main connection. A built-in USB port supplies 5 V at 1 A for charging a phone or small accessory.

Thermals and power draw in normal use

The adapter operates from a standard mains supply without requiring a specific power-socket rating. Overvoltage and short-circuit protection are tested on every unit to limit heat build-up during everyday charging. No active cooling is used, so the unit runs silently on a desk or in a bag.

Behaviour under sustained load

Continuous delivery of 65 W is supported for extended charging sessions across the compatible Surface range. The protection circuits remain active throughout long periods to guard against overvoltage and short-circuit events. The additional USB port maintains its 5 W output while the main output powers the laptop.

Highlights

  • 65 W output powers Surface Pro 3 through 9 and Surface Laptop 1 through 5
  • 15 V 4 A delivery matches original charger specifications for compatible devices
  • 5 V 1 A USB port charges a phone while the laptop charges
  • 100–240 V 50–60 Hz input works on mains worldwide
  • Overvoltage and short-circuit protection tested on every unit

Specifications

TypeAC Adapters

Questions about this item

How do I connect the AC cord and the USB port on this 65W adapter?

Plug the supplied AC cord into the adapter’s IEC inlet, then connect the proprietary Surface connector to your device; the 5V 1A USB port is live whenever the adapter is powered.

What part of this charger is most likely to need replacement first?

The detachable AC cord and the fixed Surface connector cable are the wear items; the adapter body has overvoltage and short-circuit protection but no user-serviceable parts.

At what load does the 15V 4A output hit its limit during sustained use?

Continuous draw at 65W (15V 4A) is the rated maximum; the USB port adds 5W but total output cannot exceed the adapter’s 65W capacity.

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