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Black rectangular 65W AC adapter with 6.8 ft cable and Microsoft Surface connector

2-Power A1706 65W AC adapter for Microsoft Surface Pro 3/4/5/6/7/8/X, Go/2/3, Book/2, Laptop Studio

SKU CH-EFWN-YDK3M

Replacement 65 W AC adapter supplying 15 V at 4 A with a 6.8 ft cord for Microsoft Surface Pro and Book models

  • Battery Voltage20V
  • AC Adapter Voltage20V
  • AC Adapter Current3.42A
  • FeaturesShort Circuit Protection, Barrel Connector, Corded Electric,
  • Weight0.24 kilograms
  • 65 W output powers Surface Pro, Book, Laptop Studio and Go models
  • 15 V 4 A delivery matches original 1706, 1800, 1625, 1735 and 1736 part numbers
  • Smart AI chip provides short-circuit, over-voltage, over-current and over-temperature protection
  • 100–240 V 50/60 Hz input works worldwide without a voltage converter
  • 8 ft cord plus USB 5 V 1 A port charges phone and laptop together

65 W AC adapter for Microsoft Surface

The 2-Power A1706 is a 65 W AC adapter that delivers 15 V at 4 A and includes a 5 V 1 A USB port for charging a phone. It accepts 100–240 V input and ships with a 6.8 ft cord. The barrel connector fits Surface Pro 3 through Pro 8, Pro X, Surface Go, Go 2, Go 3, Surface Book, Book 2 and Surface Laptop Studio.

Buyers replacing a 65 W, 44 W.

This unit covers all four original wattages and the listed part numbers 1706, 1800, 1625, 1735 and 1736. It is not for devices that require a higher output than 65 W or a different connector type.

Single output of 15 V 4 A (65 W)

The adapter provides one fixed 15 V 4 A rail; it does not negotiate other voltages. If your device needs a different fixed voltage or a USB-C Power Delivery profile, this is not the correct part.

Highlights

  • 65 W output powers Surface Pro, Book, Laptop Studio and Go models
  • 15 V 4 A delivery matches original 1706, 1800, 1625, 1735 and 1736 part numbers
  • Smart AI chip provides short-circuit, over-voltage, over-current and over-temperature protection
  • 100–240 V 50/60 Hz input works worldwide without a voltage converter
  • 8 ft cord plus USB 5 V 1 A port charges phone and laptop together

Specifications

Brand2-Power
ModelA1706
Part NumberA1706
Battery Voltage20V
AC Adapter Voltage20V
AC Adapter Current3.42A
FeaturesShort Circuit Protection, Barrel Connector, Corded Electric, 1, 20 volts_of_direct_current, 4 amps
Weight0.24 kilograms

Questions about this item

What Microsoft Surface models does the 65W output support?

The adapter delivers 15V at 4A for 65W and is listed for Surface Pro 3 through 8, Pro X, Surface Laptop Studio, Surface Book and Book 2, plus Surface Go, Go 2 and Go 3.

Can the USB port charge a phone while the Surface is connected?

Yes, the built-in USB port supplies 5V at 1A (5W) for phones or small devices at the same time as the main 65W output.

How can I verify the adapter is delivering power after I plug it in?

The Surface charging LED on the magnetic connector will light up, and the battery icon in Windows will show the plug symbol indicating active charging.

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