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White 140W USB-C power brick with 6.6 ft braided cable ending in Magnetic 3 connector with LED indicator

Chopmate

Chopmate 140W USB-C to Magnetic 3 Charger 6.6 ft

SKU CH-M9G2-W6B2Y

Delivers up to 140W via USB-C to Magnetic 3 connector with 6.6 ft braided cable and LED charge indicator

  • Product typeCharger
  • 140W fast charging powers MacBook Pro models up to 16 inch
  • 6 ft braided cable withstands over 20000 bends for extended life
  • Magnetic 3 connector with LED shows amber while charging and green when full
  • Multi-voltage output from 5.2V to 28V covers USB-C PD devices from 29W to 140W
  • CE, FCC, ROHS and UL certified for safe worldwide use

140W USB-C Magnetic 3 Charger

This 140W USB-C to Magnetic 3 charger powers MacBook Pro 14, 15 and 16 inch models from 2021 to 2023 plus MacBook Air 13 and 15 inch M2 machines. It delivers up to 28V at 5A through a braided 6.6 ft cable with an LED that shows amber while charging and green at full charge.

Sustained 140W output with multi-voltage steps

The adapter maintains 140W by stepping through fixed voltages of 28V, 20.5V, 15V, 9V and 5.2V each at their rated current. This profile matches the power curves of the listed MacBook models so the brick runs at its rated load without throttling during long work sessions.

USB-C PD ceiling and Magnetic 3 physical limit

USB-C Power Delivery tops out at 140W on this cable, so laptops that demand more than 28V 5A cannot draw their maximum rate. The Magnetic 3 connector also fits only the specified MacBook models; machines with USB-C only or older MagSafe ports cannot use this charger.

How it compares

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

Price $94.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeCharger

Questions about this item

How warm does the 140W adapter get when it runs at 28V 5A all day?

The adapter is certified to CE, FCC, ROHS and UL standards, which include thermal limits, so it stays within safe temperatures during continuous 140W output.

Which wall-socket voltage must I already have for the 100-240V input to work?

Any AC supply from 100V to 240V at 50 or 60Hz works worldwide without a separate converter.

Will the Magnetic 3 tip charge my 2021 14-inch MacBook Pro (model A2442) at the full 96W it originally shipped with?

Yes — the charger delivers 20.5V at 5A, matching the 96W requirement of the A2442, and the amber and green LEDs confirm charging status.

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