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White rectangular 70W USB-C power adapter with 6.6ft MagSafe 3 cable and USB-C to C cable

70W USB-C MagSafe 3 Charger 6.6ft Cable MacBook Air 13 15 Pro 14

SKU CH-JR4H-4E8NT

70W USB-C power adapter with 6.6ft MagSafe 3 cable and spare USB-C cable charges compatible MacBook Air 13, 15 and Pro 14 models

  • Battery type96 W
  • Battery voltage rating20 V
  • Power adapter voltage20 V
  • Power adapter current11.8A
  • Power adapter wattage85 W
  • Compatible withLaptops
  • 70W max output charges compatible MacBooks quickly
  • 6ft MagSafe 3 cable included for convenient magnetic connection
  • Extra USB-C to USB-C cable supplied for additional device charging
  • AC 100-240V input works worldwide without a voltage converter
  • Built-in safeguards monitor temperature and prevent overcharging or short circuits

70W USB-C MagSafe 3 Charger

This 70W USB-C power adapter ships with a 6.6ft USB-C to MagSafe 3 cable and an additional USB-C to USB-C cable. It is built for MacBook Air 13-inch, 15-inch and MacBook Pro 14-inch models from 2016 through 2025. The unit delivers up to 70W over USB-C Power Delivery for compatible laptops, phones and tablets.

70W Maximum Output Power

The adapter provides a maximum of 70W at 14V and 5A, with PD profiles at 30W and 70W. This single output figure determines whether the charger can fast-charge a given MacBook; machines that require more than 70W will charge more slowly or not at all. Input accepts 100-240V AC at 50-60Hz for worldwide use.

Capacity and Headroom

At 70W the charger comfortably fast-charges MacBook Air 13-inch and 15-inch models and MacBook Pro 13-inch systems. It will power a MacBook Pro 14-inch but cannot reach the higher wattage those machines can draw under heavy load, so sustained peak performance may be limited. Users needing more than 70W should select a higher-rated adapter.

How it compares

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

Price $32.99
Pricier than about 57% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDELL
Model nameZH908A/342
Part numberZH908A/342
Power
Battery type96 W
Battery voltage rating20 V
Power adapter voltage20 V
Power adapter current11.8A
Power adapter wattage85 W
Compatibility
Compatible withLaptops

Questions about this item

What does the 70 W rating mean when the charger is connected to a MacBook Air 13 or 15?

The adapter can deliver up to 70 W over USB-C, so a compatible MacBook Air 13 or 15 will charge at its maximum supported speed, while smaller models draw only what they need.

What interface does the included 6.6 ft cable use and what power level does it support?

The cable terminates in a MagSafe 3 connector and is rated for 5 A, allowing the full 70 W output from the adapter to reach the laptop.

What does the power adapter need to plug into and what comes in the box for mounting?

The adapter accepts AC 100-240 V, 50-60 Hz from a wall outlet and ships with a USB-C to MagSafe 3 cable plus a USB-C to USB-C cable; no separate mounting hardware is included.

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