A2389 MacBook Air Battery A2337 4800mAh 55Wh - Long Life Replacement

In this review of the A2389 MacBook Air battery for the 13 in A2337 (2020), the bottom line is simple: this replacement cell is aimed at owners who need a reliable, higher-capacity swap to restore daily runtime and avoid an aging, bulging original pack. The reviewer found the battery offers a genuine 4800mAh / 55Wh capacity, stable voltage management, and multiple protections that make it a straightforward repair choice for the MacBook Air 13 in M1 A2337. It is practical for users who want longer operating time per charge and a safer chemistry with an upgraded management chip.

Key Features

• Model and Capacity: The A2389 battery provides a real 4800mAh / 55Wh capacity to extend runtime over worn OEM cells.
• Chemistry and Voltage: Li-ion polymer chemistry at 11.4V delivers consistent power and appropriate compatibility with the A2337 logic board.
• Protection and Safety: The pack includes upgraded circuitry with overcharge, over-discharge and short-circuit protection to reduce risk and heat under load.
• Durability: An upgraded chip and strengthened electrode coating aim to limit swelling and support up to 1500+ recharge cycles over the battery life.
• Certification: UL, CE, FCC and RoHS certifications and a PSE report provide third-party safety assurances for home and office use.
• Compatibility: Built specifically for MacBook Air 13 in A2337 (Year 2020) EMC 3598 with model numbers MGN63LL/A and MGN73LL/A for straightforward installation.

Who It's For

This replacement battery is best for MacBook Air 13 in owners whose original A2337 battery shows diminished runtime, unexpected shutdowns, or visible wear. It suits DIY users and repair shops comfortable replacing a laptop battery who want a high capacity 4800mAh pack with safety certifications and improved charge control.

Users who should look elsewhere include people with different MacBook models or those who prefer factory-authorized service from the laptop manufacturer. Also, users wanting multi-year official warranty coverage beyond the included 12 months may prefer a manufacturer service option.

Pros & Cons

Pros

• Higher 4800mAh capacity provides noticeably longer runtime than many depleted original cells.
• Upgraded management chip with multiple protections reduces heat and the chance of bulge compared with older packs.
• Safety certifications (UL/CE/FCC/RoHS) add confidence for daily use and charging cycles.
• Specific fit for MacBook Air 13 in A2337 (2020) models simplifies installation and compatibility checks.

Cons

• Not an official factory battery, so users seeking manufacturer service coverage may prefer an OEM replacement route.
• Installation requires some technical comfort; inexperienced users should seek a technician to avoid damage.

Specifications

Our Verdict

The A2389 replacement battery is a practical, good-value option for MacBook Air 13 in A2337 (2020) owners who need restored runtime and improved safety over an aging pack. With a real 4800mAh capacity, upgraded charging circuitry and multiple certifications, it delivers dependable daily performance for DIY installers and repair shops, while those wanting official manufacturer service should weigh that option.

Frequently Asked Questions

Will this battery fit my MacBook Air 2020 A2337?
Yes, it is designed specifically for the MacBook Air 13 in A2337 (Year 2020) EMC 3598 models MGN63LL/A and MGN73LL/A.

How long is the warranty and refund policy?
The product includes a 12 months replacement warranty and a 60 days refund window provided by the seller.

Does the battery include safety protections?
Yes, the pack uses an upgraded chip with overcharge, over-discharge and short-circuit protection and holds UL/CE/FCC/RoHS certifications.