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White rectangular power brick with magnetic L-shaped connector and detachable AC cord

myVolts

myVolts 85W L-Type Magnetic AC Adapter for MacBook Pro 13/15/17-inch (Pre-Mid 2012)

SKU CH-4V9T-3TPHK MPN 85W

85 W magnetic L-type adapter powers 13, 15 and 17-inch MacBook Pro models from late 2009 to mid 2012 with 18.5 V 4.6 A output and built-in cable management

  • 85 W output powers 13, 15 and 17-inch MacBook Pro models
  • Magnetic L-type connector disconnects safely under strain to protect the cable
  • Universal 100-240 V input works on 50-60 Hz mains worldwide
  • UL, CE, FCC and RoHS certified with over-current, over-voltage and short-circuit protection
  • Compact adapter measures 2.95 by 2.85 by 1.10 inches for easy travel storage

Replacement power adapter

This 85W L-Type magnetic AC adapter replaces the original charger for MacBook Pro 13, 15 and 17-inch models released before Mid 2012. It accepts AC 100-240V at 1.5a and 50-60Hz and delivers 18.5V at 4.6a. The unit carries UL, CE, FCC and RoHS certifications and includes over-current, over-voltage, overload and short-circuit protection. A detachable power cord is supplied in the box.

Who this suits and who it does not

It suits owners of Late 2009 through Mid 2012 MacBook Pro 13, 15 and 17-inch notebooks that require an 85W L-Type connector. Buyers with MacBook Pro models introduced after Mid 2012 need a different connector and should not use this adapter. The product is not a battery and cannot power a laptop without mains electricity.

Connector generation

This is the first-generation L-Type magnetic connector, not the later T-Type or USB-C designs. The magnetic tip disconnects safely under strain to reduce cable wear. Verify the MacBook model year and connector shape before purchasing, as later machines are not compatible.

Highlights

  • 85 W output powers 13, 15 and 17-inch MacBook Pro models
  • Magnetic L-type connector disconnects safely under strain to protect the cable
  • Universal 100-240 V input works on 50-60 Hz mains worldwide
  • UL, CE, FCC and RoHS certified with over-current, over-voltage and short-circuit protection
  • Compact adapter measures 2.95 by 2.85 by 1.10 inches for easy travel storage

Specifications

No published specifications for this item yet.

Questions about this item

How do I connect the L-type magnetic tip to my 13, 15 or 17-inch MacBook Pro from 2009 to 2012 and what step is often missed?

Align the L-shaped magnetic connector so the cable points toward the rear of the MacBook; the magnets will pull it into place. The step people miss is checking that the small LED on the connector lights amber or green, confirming a secure power connection before walking away.

Which parts of this 85W adapter are most likely to need replacement after extended use?

The detachable AC power cord and the DC cable near the magnetic tip see the most flexing. The strain-relief design helps, but if the insulation frays or the connector pins discolour, replace the affected cable rather than the whole brick.

What is the first limit reached when this 18.5V 4.6A adapter runs at full 85W load for long periods?

Thermal protection is the first limit. The PC fireproof enclosure handles high temperatures, but sustained maximum output will trigger the internal over-temperature shutdown before voltage or current limits are hit.

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