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DELL AT70 85W USB-C to Magnetic 3 adapter with 6.6ft braided cable

DELL AT70 85W USB-C to Magnetic 3 AC Adapter 6.6ft

SKU CH-Z4RA-JYQ0Z

85W USB-C to Magnetic 3 charger with 6.6ft braided cable and LED status indicator

  • Battery voltage rating20 V
  • Power adapter voltage20 V
  • Power adapter current11.8A
  • Power adapter wattage85 W
  • Measurements14.33 in W × 12.83 in H × 9.06 in D
  • Key featuresUSB C to 3, Corded Electric, 1, type c 2pin eu, 20 V, 3.4 A
  • 85W output powers compatible laptops efficiently
  • 6ft braided cable with LED reaches distant outlets
  • USB-C to Magnetic 3 connector fits listed MacBook models
  • Multi-protection system guards against overcharging and overheating
  • 23oz lightweight design simplifies travel and storage

Dell AT70 85W USB-C Magnetic 3 Adapter

The Dell AT70 is an 85 watt AC adapter with a USB-C to Magnetic 3 cable, designed to charge compatible MacBook Air 13.6 inch, MacBook Air 15 inch and MacBook Pro 14 inch models from 2021 through 2026. It delivers 20 volts at 11.8 amps for reliable power delivery.

Sustained load behavior and charging speed

The adapter supports fast charging up to 50 percent in 30 minutes on supported MacBook models with M1 through M5 chips. Built-in multi safeguards and a cooling system protect against overcharging, short circuits, overheating and sparking while intelligently monitoring temperature during extended sessions.

Build quality, cable and daily use

A 6.6 foot braided nylon cable uses thicker copper wire for stable power transfer and features an LED that shows yellow while charging and green at 100 percent. The compact brick weighs 4.23 ounces and measures 14.33 by 12.83 by 9.06 inches, with a Type-C 2-pin EU plug for direct wall connection.

How it compares

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

Price $52.99
Pricier than about 84% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDELL
Model nameAT70
Power
Battery voltage rating20 V
Power adapter voltage20 V
Power adapter current11.8A
Power adapter wattage85 W
Size & build
Measurements14.33 in W × 12.83 in H × 9.06 in D
Product weight4.23 oz

Questions about this item

Does the 85W adapter run hot or draw noticeable power when charging a MacBook Pro 14 inch all day?

The adapter delivers 20V at 11.8A for 85W output and includes a built-in cooling system with temperature monitoring to manage heat during extended charging sessions.

What must I already own to use this USB-C to Magnetic 3 cable with my laptop?

You need a MacBook Air 13.6 or 15 inch (M2 through M5) or MacBook Pro 14 inch (M1 through M5) with a Magnetic 3 charging port; the cable plugs directly into that port.

Will this 6.6ft braided cable work reliably with my 2021 MacBook Pro 14 inch (model a2442) alongside its original charger?

Yes, the cable is listed as compatible with the 2021 MacBook Pro 14 inch (a2442) and other M1/M2/M3/M4/M5 models, providing 70W fast charging with LED status indication.

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