Bituoer MacBook Air A2337 Battery 49.9Wh (M1 2020)

High-performance Bituoer replacement battery engineered for MacBook Air 13-inch A2337 (M1, 2020) models — 49.9Wh capacity, 11.39V, certified and tested for safe, long-lasting daily power.

If your MacBook Air A2337 (M1, 2020) shows shortened run time or unexpected shutdowns, the Bituoer A2389/A2337 replacement battery restores reliable battery life using a Li-ion pack rated 49.9Wh (4380mAh) and 11.39V. This battery comes with upgraded protection circuitry, international safety certifications (UL, CE, FCC, RoHS), and an advertised endurance of up to 1000 recharge cycles, making it a practical repair option for older or heavily used machines.

Which MacBook Air models and part numbers are supported?

This Bituoer battery is built specifically for the 13-inch MacBook Air A2337 (M1, 2020) family. It directly replaces several OEM part numbers and model codes used across different retail SKUs and regional releases.

• Compatible model: MacBook Air 13-inch A2337 (M1, 2020)
• Replaces: A2389, A2337, 3ICP5/63/120, A1175
• Compatible SKUs: MGN53LL/A, MGN63LL/A, MGN73LL/A, MGN83LL/A, MGN93LL/A, MGNA3LL/A, MGND3LL/A, MGNE3LL/A, MVH22LL/A

How does this battery match OEM performance and safety?

Bituoer designed the pack with the same nominal voltage and similar energy density to the original factory battery so the system reports battery health and charging normally. The unit includes an upgraded control chip and multiple safety checks to stabilize current and reduce self-discharge.

• Nominal voltage: 11.39V for system compatibility
• Capacity: 49.9Wh / 4380mAh to closely match original run time
• Safety: UL, CE, FCC, RoHS certifications and PSE report for electrical safety
• Protection: built-in circuit protection and stable current output

What should I expect when installing and using this replacement battery?

The battery ships new from the manufacturer and includes step-by-step installation guidance from Bituoer’s engineering team. Installation requires basic disassembly of the MacBook Air; users comfortable with screwdriver kits can replace the pack, though professional installation is recommended for those unfamiliar with internal laptop repairs.

• Included support: detailed installation assistance available
• Recharge longevity: designed for 1000+ charge cycles
• Condition: new, not refurbished, with tested voltage and low self-discharge
• After-sales: 12 months warranty/service from the seller

Will this battery affect charging behavior or performance monitoring?

The replacement is calibrated to work with the MacBook Air’s battery reporting and charging logic. You may notice normal battery percentage tracking and expected charge/discharge behavior; occasional software recalibration (a full charge-discharge cycle) can help the system display accurate capacity after installation.

• Charge reporting: compatible with macOS battery management
• Calibration tip: perform one full charge and discharge cycle after install
• No special chargers required — use the existing MacBook charger
• Monitoring: system battery health tools will continue to provide diagnostics

Who is this for: The Bituoer A2389/A2337 replacement battery is suited for MacBook Air 13-inch (M1, 2020) owners whose machines show reduced runtime, sudden shutdowns, or system warnings about battery service. It’s ideal for DIY-savvy users and technicians seeking an affordable, certified replacement that closely matches original voltage and capacity, while also offering extended cycle life and manufacturer-backed support.