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Black rectangular 65W AC adapter with magnetic connector and blue LED indicator, 10ft cable

MARSDOCK 1706 65W AC adapter laptop battery

SKU CH-RRWR-48Z7C MPN 1706

A 65W magnetic AC adapter with a 10FT cable and LED indicator, compatible with numerous Microsoft Surface Pro, Laptop, Book and Go models

  • Battery typeMDSF65
  • Battery voltage rating5 V
  • Battery capacity15 V
  • Power adapter voltage19 V
  • Power adapter current4 A
  • Power adapter wattage65 W
  • 65W output charges Surface Pro 8 in 1.5 hours
  • Magnetic plug with 10ft cable enables flexible placement
  • Multi-safeguard protection prevents overcharging and overheating
  • Broad compatibility across Surface Pro, Laptop, Book and Go models
  • LED indicator shows charging status at a glance

What this charger powers

This 65W AC adapter is built for Microsoft Surface devices including Pro models 3 through 11, Laptop 1 through 7, Laptop Go 1 through 3, Book 1 through 3, and Studio i5 variants. It replaces lost or damaged original chargers for users who need reliable daily power across multiple Surface generations.

Output that matches the device

The adapter delivers 65W at 15 volts and 4 amps, stepping down from the 19V input to the exact level Surface hardware expects. Lower-wattage chargers such as 44W, 39W, 36W or 24W units will charge more slowly or may not sustain full performance under load.

Cable reach and connector ease

A 10-foot cord with a magnetic plug lets you connect without precise alignment and reaches outlets across a room or from a car back seat. The blue LED confirms charging status at a glance. The brick measures 3.54 by 1.97 by 0.79 inches and weighs 6.34 ounces, so it fits in a laptop bag without adding bulk.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $42.99
Pricier than about 74% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameMARSDOCK
Model nameMDSF65
Part numberMD-US-New 65 W Surface
Power
Battery typeMDSF65
Battery voltage rating5 V
Battery capacity15 V
Power adapter voltage19 V
Power adapter current4 A
Power adapter wattage65 W
Size & build
Measurements3.54 in × 1.97 in × 0.79 in
Product weight6.34 oz
More details
Main functionCompatible with Microsoft Surface Pro 11, 10, 9, 8, 7+, 7, 6, 5, 4, 3, X, Studio 1 i5, Pro 12 13 in, Compatible with Surface Laptop 7, 6, 5, 4, 3, 2, 1, Laptop Go 3, 2, 1, Laptop 13.8 in, Laptop 15 in, Compatible with Surface Book 3, 2, 1, Go 4, 3, 2, 1, etc.

Questions about this item

How long does the 65W output take to charge a Surface Pro 8 from empty?

The manufacturer states a full charge for the Surface Pro 8 in 1.5 hours using this adapter.

What connector standard does the magnetic plug use and what lower wattages does it support?

It uses the proprietary Microsoft Surface magnetic connector and negotiates 44W, 39W, 36W and 24W for older models.

Will the 3.54 in x 1.97 in x 0.79 in brick fit behind a desk-mounted power strip?

The compact brick measures 3.54 by 1.97 by 0.79 inches and weighs 6.34 ounces, so it sits easily behind most strips.

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