TREE.NB MacBook Pro 13 Replacement Battery A1989/A1964/A2251 — 58Wh (11.41V) Grade-A, ~500-cycle

TREE.NB’s A1964/A1989/A2251 replacement battery is a direct-fit 58Wh (11.41V, 5086mAh) pack built to restore runtime for 13" MacBook Pro models from mid‑2018 through 2020.

This replacement battery is designed as a like‑for‑like swap for MacBook Pro 13" models that shipped with part numbers such as A1964, A1989 and A2251 (EMC 3214, 3358, 3348) and model identifiers MR9Q2LL/A, MR9R2LL/A, MR9T2LL/A, MV962LL/A and similar SKUs. It uses grade‑A cells and integrated circuit protection for safer charging, and is rated for roughly 500 full recharge cycles. Before purchasing, confirm your MacBook’s model and EMC to ensure compatibility — the listing supports multiple model variants from mid‑2018 through 2020.

Which MacBook Pro models will this TREE.NB battery work with?

This battery is intended for 13‑inch MacBook Pro systems released mid‑2018, mid‑2019 and the 2020 refresh that match listed part and EMC numbers. It covers many Apple SKUs and machine identifiers used by those releases.

• Compatible part numbers: A1964, A1989, A2251 and associated EMC codes (3214, 3358, 3348).
• Fits model identifiers like MR9Q2LL/A, MR9R2LL/A, MR9T2LL/A, MV962LL/A and their close variations.
• Cross‑references include factory numbers such as 020‑02497 and 616‑00419.

What are the battery specifications and performance expectations?

The TREE.NB battery delivers 11.41 volts at 5086 mAh, totaling 58 Wh of capacity. It’s built with protection circuits for overcurrent, overcharge, overdischarge and thermal control to promote stable operation. Expect around 500 complete charge cycles before noticeable capacity reduction.

• Rated capacity: 11.41V / 5086mAh / 58Wh.
• Safety features: overcurrent, overcharge, overdischarge and temperature protection.
• Estimated lifecycle: approximately 500 full recharge cycles.

How should I confirm fitment and prepare for installation?

Verify your MacBook’s model and EMC before ordering to avoid misfits. Use the underside serial/part markings or About This Mac → System Report to match identifiers. The pack requires careful disassembly; if you’re not experienced, seek a professional or follow a trusted video guide.

• Check the MacBook’s model and EMC printed on the laptop base or within About This Mac.
• Compare the original battery model number to this listing for an exact match.
• Consider professional installation or step‑by‑step teardown guides to avoid damage.

What quality assurance and support does TREE.NB provide?

Each battery is manufactured new and tested at the factory; grade‑A cells are specified to provide stable charge and efficient power draw. The unit includes built‑in circuit protection and comes with customer support through the seller to address fitment or performance questions.

• Factory tested: each cell checked before shipment for functionality.
• Built‑in protection circuits for safer charging and storage.
• Customer service: round‑the‑clock email support via the seller contact link.

Who is this for: This TREE.NB battery is aimed at owners of 13‑inch MacBook Pro machines from mid‑2018 to 2020 who need a direct replacement to restore battery life. It suits DIY technicians comfortable with laptop disassembly and users who prefer a tested aftermarket pack with safety protections. If you want a quick runtime recovery and verified compatibility with listed EMC and part numbers, this battery offers a practical swap; if you’re unsure about installation, contact a certified technician or the seller for guidance.