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Rectangular black lithium-ion battery pack with connector ribbon

FOCUSTEC

FOCUSTEC A1618 laptop battery for MacBook Pro 15" Retina A1398 Mid 2015 11.36V 99.5Wh

SKU CH-C00Z-YJNQF

Replacement lithium-ion battery for MacBook Pro 15-inch Retina Mid 2015 models, 11.36V 99.5Wh six-cell design certified to CE, FCC and RoHS standards

  • Battery TypeLithium-Ion
  • 5Wh capacity supports long work sessions on a single charge
  • 36V lithium-ion chemistry delivers stable power to the MacBook Pro
  • Six-cell design replaces the original Apple A1618 battery in the 15-inch Retina A1398
  • CE, FCC and RoHS certification confirms compliance with safety and environmental standards
  • Manufacturer-tested to match or exceed OEM specifications for reliable performance

99.5 Wh replacement for Mid-2015 15-inch Retina

This new lithium-ion battery is built for the Apple MacBook Pro 15-inch Retina A1398 Mid 2015. It delivers 11.36 V and 99.5 Wh across six cells, matching the original A1618 specifications. Owners of MJLQ2, MJLT2 or MJLU2 model variants can use it as a direct replacement.

Replaces Apple part A1618 and 020-00079

The pack substitutes the factory battery identified by part numbers A1618, 020-00079 and cell codes 1ICP9/47/95-ICP8/56/66-2. The upgrade is worth it when the original cell no longer holds a useful charge or shows service-battery warnings. It is not for users whose machine is a different screen size, year or model identifier.

Fits the existing battery bay without modification

Installation uses the stock connector and screw points inside the A1398 chassis. No extra cables, adapters or firmware steps are required beyond the normal macOS calibration cycle. The unit is CE, FCC and RoHS certified. Buyers needing a higher-capacity pack or a battery for a newer MacBook Pro generation cannot use this part.

Highlights

  • 5Wh capacity supports long work sessions on a single charge
  • 36V lithium-ion chemistry delivers stable power to the MacBook Pro
  • Six-cell design replaces the original Apple A1618 battery in the 15-inch Retina A1398
  • CE, FCC and RoHS certification confirms compliance with safety and environmental standards
  • Manufacturer-tested to match or exceed OEM specifications for reliable performance

Specifications

Battery TypeLithium-Ion

Questions about this item

What screws secure the A1618 battery inside the MacBook Pro 15" Retina A1398 Mid 2015?

The battery uses five tri-wing security screws and three Phillips screws that hold the cells to the top case.

Which step do installers most often skip when fitting the 1ICP9/47/95-ICP8/56/66-2 battery?

They forget to disconnect the trackpad flex cable before lifting the old battery, which can tear the fragile ribbon.

When should the 99.5 Wh Li-ion pack be swapped out?

Replace it when macOS reports "Service Recommended" or the battery health drops below 80 % of its original capacity.

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