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Rectangular black plastic power brick with integrated North American two-pin plug and attached cable

Bzylon 65W AC Adapter Model 1769 20V 11.8A 85W USB-A 2-Pin NA

SKU CH-M46Z-AWPEF MPN 1769

Charges Surface Pro and Laptop models at 65W with a USB-A port for phones, includes a 59in cable and North American 2-pin plug

  • Battery voltage rating20 V
  • Power adapter voltage20 V
  • Power adapter current11.8A
  • Power adapter wattage85 W
  • Compatible withLaptops
  • Key featuresFast Charging, USB, Corded Electric, 0, type a 2pin na, 15 V
  • Charges Surface Pro up to 50% in 35 minutes with 65W fast charging
  • Powers laptops and USB-A phones simultaneously via 20V 11.8A output and 15V 4A USB port
  • Works with Surface Pro 3 through 10, X, Laptop 1 through 5, Book 1 through 3, Go 1 through 3
  • Built-in chip provides over-voltage, over-current and short-circuit protection for safe charging
  • 59-inch cable and lightweight 9-ounce design suits home, office and travel use

Universal Surface power supply

This 65W AC adapter replaces the original Microsoft Model 1769 charger for Surface Pro 10, 9, 8, 7+, 7, 6, 5, 4, 3 and X devices. It also fits Surface Laptop 5, 4, 3, 2, 1, Studio, Book 3, 2, 1 and Go models. The unit delivers up to 85W total output with a USB-A port for simultaneous phone charging.

Thermal performance and safety

An intelligent chip provides over-voltage, over-current and short-circuit protection while automatically adjusting power delivery to 44W, 36W or 24W as needed. The adapter runs cool and stable during normal operation. A 59in cable adds placement flexibility without adding bulk.

Upgrade from lower-wattage chargers

Users replacing a 44W, 39W, 36W or 24W supply gain noticeably faster charging, reaching 50% battery in roughly 35 minutes. The jump is worthwhile for anyone who needs quicker top-ups between meetings or while travelling. Buyers who require multiple USB-C ports or higher single-port output should look elsewhere.

How it compares

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

Price $30.99
Typical for this category: the median of 27,790 items is $30.99.

Specifications

Product
Brand nameDELL
Model nameLX-65 W
Power
Battery voltage rating20 V
Power adapter voltage20 V
Power adapter current11.8A
Power adapter wattage85 W
Size & build
Product weight9 oz
Compatibility
Compatible withLaptops

Questions about this item

How do I plug the 59in cable into a Surface Pro 7 and what is the common mistake?

Connect the magnetic tip to the Surface charging port until it clicks; the mistake is forcing it upside-down, which bends the pins.

Which part of the 65W adapter will wear out first and need replacement?

The 59in cord near the magnetic connector frays from repeated bending, so replace the whole unit when charging becomes intermittent.

What thermal limit appears first during a long 65W charging session?

The intelligent chip reduces output if the adapter body exceeds its safe temperature, slowing the charge until it cools.

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