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Rectangular lithium-ion polymer battery pack, dark grey finish, 58Wh 11.41V

FOCUSTEC

FOCUSTEC laptop battery 58Wh 11.41V for MacBook Pro 13 A1989 A2251

SKU CH-305T-WTDWH

A 58Wh lithium-ion polymer replacement battery for MacBook Pro 13-inch Touch Bar models from 2018 to 2020

  • Battery TypeLithium-Ion
  • Restores full runtime with 58Wh capacity
  • Matches original voltage at 11.41V
  • Fits MacBook Pro 13 Touch Bar 2018 2019 2020
  • Lithium-polymer cells with built-in safety features
  • Brand-new replacement battery ready to install

Compatible MacBook Pro models

This replacement battery fits the 13-inch MacBook Pro with Touch Bar released in mid 2018, 2019 and 2020. It matches Apple part numbers 616-00419, A1964, A1989 and A2251 across EMC 3214, 3358 and 3348. Verify your exact model identifier before ordering.

Lithium-ion polymer cell performance

The 58Wh pack operates at 11.41V using Li-ion polymer chemistry. Normal discharge runs cool and silent because the battery has no moving parts. Power draw follows the laptop's own management system without added overhead.

Sustained discharge behaviour

Under continuous load the 5100mAh capacity delivers steady voltage until the controller initiates shutdown. Cell balancing and protection circuits prevent over-discharge during long sessions. The pack is designed to maintain consistent output through the full discharge cycle.

Highlights

  • Restores full runtime with 58Wh capacity
  • Matches original voltage at 11.41V
  • Fits MacBook Pro 13 Touch Bar 2018 2019 2020
  • Lithium-polymer cells with built-in safety features
  • Brand-new replacement battery ready to install

Specifications

Battery TypeLithium-Ion

Questions about this item

How do I install the 58Wh 11.41V battery in my MacBook Pro 13 A1989 and what step do people often miss?

Power off the Mac, remove the bottom case screws, disconnect the old battery connector before lifting the pack, fit the new 5100mAh unit, reconnect the flex cable firmly, then replace the case — the step most people miss is disconnecting the battery first, which can short the logic board.

What maintenance or replacement will the Li-ion polymer 58Wh pack need later?

The 11.41V 5100mAh cell will gradually lose capacity; plan to replace it once run-time drops below your needs — typically after several hundred charge cycles — and keep the MacBook on macOS to let the system calibrate the new pack.

What limit appears first on the 11.41V 58Wh battery during sustained heavy use?

Under continuous load the cell voltage will sag toward its low-end threshold first, triggering macOS power management to throttle performance before the pack overheats or hits a hard cutoff.

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