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Black rectangular 65W USB-C power adapter with detachable cord

DELL ADP-240EB B 65W USB-C AC Adapter

SKU CH-4YT6-07T1Y

65W USB-C charger powers Surface Pro 7 through 12 and Surface Pro X with 20V 3.25A output and multiple safety protections

  • Battery voltage rating20 V
  • Power adapter voltage20 V
  • Power adapter current11.8A
  • Power adapter wattage85 W
  • Compatible withMicrosoft Surface Pro 12 (2025), Microsoft Surface Pro 11, M
  • Key featuresFast Charging, USB Type C, Corded Electric, type a 2pin na,
  • 65 W USB-C power delivery charges Surface Pro models quickly
  • Wide 100–240 V input lets you use it worldwide
  • Multiple safety protections guard against over-current and over-voltage
  • Compact corded design keeps desk space tidy
  • New condition ensures reliable performance from first use

What this charger powers

This 65W USB-C adapter is built for Microsoft Surface Pro models from the Pro 7 through the Pro 12 (2025), including the Pro X and the 2024 2-in-1 Copilot+ PC. It accepts 100-240V input at 50-60Hz and delivers up to 20V/3.25A for fast charging. Buyers needing a proprietary Surface Connect tip will not find it here.

Protection and support included

The unit integrates over-current, over-voltage, short-circuit, overheating and overload safeguards to protect the connected device during every charge cycle. The package supplies the adapter itself and access to 24/7 email support for troubleshooting. No extra cables, travel cases or international plug adapters are bundled.

USB-C Power Delivery limits

Output is negotiated over USB-C Power Delivery at fixed steps of 5V/3A, 9V/3A, 15V/3A, 18V/2.5A and 20V/3.25A, capping at 65W total. Devices that require higher voltages or proprietary charging handshakes will not charge at full speed or at all. The corded design means the cable cannot be replaced separately if damaged.

How it compares

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

Price $24.99
Cheaper than about 62% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDELL
Model nameADP-240EB B
Power
Battery voltage rating20 V
Power adapter voltage20 V
Power adapter current11.8A
Power adapter wattage85 W
Compatibility
Compatible withMicrosoft Surface Pro 12 (2025), Microsoft Surface Pro 11, Microsoft Surface Pro 10, Microsoft Surface Pro 9, Microsoft Surface Pro 8, Microsoft Surface Pro 7, Microsoft Surface Pro 7+, Microsoft Surface Pro X, Microsoft Surface Pro 2-in-1 Laptop/Tablet, Microsoft Surface Go 3

Questions about this item

How often should the USB-C cable on this 65W adapter be inspected for wear?

Inspect the cable every few months for fraying or bent connectors; replace it if the insulation is damaged or the plug no longer seats firmly.

What limits the 65W output during continuous charging?

The adapter delivers a maximum of 65W and will throttle if internal temperature rises above its safety threshold, protecting both the unit and the connected device.

How warm does the ADP-240EB B get when running at full load all day?

The brick becomes noticeably warm but stays within normal operating limits; built-in over-temperature protection prevents overheating during extended use.

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