ASUNCELL A1331/A1342 Laptop Battery for MacBook Unibody (Late 2009–Mid 2010) | 64Wh 5800mAh

Overview

Refresh your MacBook Unibody with the ASUNCELL A1331/A1342 battery, designed for late 2009 to mid 2010 models. This high capacity Li-polymer cell blends dependable power with built in safety features, giving you predictable performance during daily tasks, travel, and long productivity sessions.

Key specs you can feel in the hand and in use: a 10.95V nominal voltage, a sturdy 5800 mAh capacity, and a generous 64 Wh energy rating. While not a guarantee of runtime, these figures translate to longer intervals between charges compared to aging cells, helping you stay in your workflow when outlets are scarce.

What you get

• Battery type: Li-polymer for energy efficiency and reliable cycles.
• Voltage and capacity: 10.95V, 5800 mAh, 64 Wh, tuned for MacBook Unibody power needs.
• Replacement for Apple A1331 and A1342, ensuring compatibility with devices from late 2009 through mid 2010.
• Fitment codes: 020-6580-A, 020-6582-A, 020-6809-A, 020-6810-A, 661-5391, making the upgrade straightforward for eligible models.

Safety, compatibility, and environmental care

ASUNCELL products are CE, RoHS, and FCC certified, with built in circuit protection to help maintain safe operation and stable performance. The internal protections guard against short circuits, over discharge, and thermal anomalies when used as intended.

The design adheres to compatibility guidelines and environmental safety standards, aiming to minimize risk during installation and everyday use. This battery is intended as a purpose built replacement, replacing an aging pack with a modern energy cell that powers routine tasks without imposing changes to the device's original layout.

Use cases and real world scenarios

• Daily computing: web browsing, documents, email, and media playback benefit from a steady power supply.
• Travel and commuting: longer intervals between charges reduce interruptions during flights and commutes.
• Maintenance and service: straightforward swap for devices showing reduced runtime or charging quirks.

Care and performance tips

For best results, calibrate the new battery per your device guidelines and avoid exposing it to extreme temperatures. Regular system updates and battery health monitoring can help you gauge when a replacement is making a difference in real life.