TREE.NB MacBook Air 13" Replacement Battery A1965 for A1932 A2179 — 55Wh Li‑Polymer, Grade A Cells

If your MacBook Air is losing charge quickly or the system reports degraded battery health, this TREE.NB A1965 battery provides the same voltage and capacity as the original cell to get you back to full day use. The pack is manufactured new with Grade A cells, built‑in protection circuitry, and certifications for safety compliance. It fits MacBookAir8,1 / 8,2 / 9,1 models and replaces OEM part numbers such as A1965, A1932, and A2179.

Which MacBook Air models will this replacement battery work with?

This TREE.NB pack is compatible with MacBook Air 13‑inch models released between late 2018 and early 2020. Before ordering, confirm your model identifier (A1932 or A2179) printed on the underside of the laptop or in About This Mac.

• Fits MacBookAir8,1 / MacBookAir8,2 / MacBookAir9,1
• Replaces OEM part numbers A1965, A1932, A2179 and related Apple SKUs
• Compatible with model years 2018, 2019, and early 2020
• Check About This Mac or the case engraving to match model ID before purchase

What are the technical specifications and performance expectations?

The battery is a three‑cell Li‑Polymer pack rated at 11.4V and 55Wh (approximately 4379mAh). It is new from the manufacturer and rated for up to roughly 500 charge cycles under normal use, restoring run times comparable to the original factory battery.

• Battery chemistry: Li‑Polymer, 3‑cell construction
• Voltage: 11.4V; Capacity: 55Wh / 4379mAh
• Manufacturer‑new Grade A cells, up to ~500 cycles life
• Integrated protection circuitry and industry certifications (CE, FCC, RoHS)

How safe and reliable is this replacement, and what installation tips should I follow?

The pack includes safety features such as circuit protection and high‑grade cells to reduce heat and power loss. Installation requires care; use the correct tools and follow static‑safe procedures. If you’re not comfortable opening your MacBook, consider professional installation to avoid damage.

• Built‑in protection for overcurrent and short‑circuit prevention
• CE, FCC, RoHS certifications for component safety and compliance
• Recommended to discharge to 10–20% and cycle 3–4 times to condition the new battery
• If unsure, hire an authorized service technician for replacement

What should I expect after installing the new battery?

Once fitted, the system should report restored battery capacity and longer runtime. macOS may need a few charge/discharge cycles to recalibrate the battery meter; follow the conditioning note to achieve accurate reporting and peak performance.

• System battery health should show higher capacity after calibration
• Allow several cycles (charge/discharge) for macOS to update metrics
• Keep firmware and macOS updated for best battery management
• Contact TREE.NB support for troubleshooting within 24 hours if issues arise

Who is this for: The TREE.NB A1965 replacement is best for MacBook Air owners whose 13‑inch 2018–2020 machines show reduced battery life or swollen cells and who want a OEM‑style replacement without paying Apple repair prices. It suits DIY users with basic electronics tools and technicians seeking a certified, manufacturer‑new pack for reliable everyday use.