TREE.NB MacBook Pro 13" A1322 A1278 Replacement Battery

TREE.NB A1322/A1278 is a direct-fit 63.5Wh lithium-ion replacement battery designed for 13-inch MacBook Pro models made between 2009 and 2012 (not compatible with the 2008 A1278 version).

If your 13-inch MacBook Pro is showing short runtimes, unexpected shutdowns, or battery health warnings, this TREE.NB battery offers a factory-tested replacement that restores full-capacity operation. Built from four high-quality cells with integrated protection circuitry, the pack delivers 10.95V and 63.5Wh of power and is specified to endure up to about 500 recharge cycles under normal use.

Which MacBook Pro models will this TREE.NB battery fit?

This battery is specifically made for MacBook Pro 13-inch units carrying part numbers A1322 or A1278 from model years 2009 through 2012. It is not compatible with the A1278 2008 revision. Verify your Mac model identifier or the part number printed on the battery chassis before ordering.

• Compatible with models: MB990*/A, MB991*/A series and MC700, MC724, MD313LL/A families.
• Fits 2009, 2010, 2011, and 2012 13-inch MacBook Pros only.
• Do not use with A1278 2008 machines—physical and electrical differences exist.

How long will the TREE.NB 63.5Wh battery last and how durable is it?

The battery is rated for approximately 500 full charge cycles before significant capacity loss, which translates to years of typical daily use for most users. The cells are Grade A quality and the pack includes basic overcharge and short-circuit protection to maintain operational stability.

• Nominal capacity: 63.5Wh at 10.95V for extended runtime compared with worn OEM packs.
• Constructed from 4 high-quality lithium-ion cells for consistent power delivery.
• Designed to retain practical capacity through about 500 recharge cycles under recommended charging habits.

What safety and quality checks come with this replacement battery?

Each TREE.NB battery is manufactured new and passes factory-level testing to ensure proper voltage, current behavior, and cell balance. Built-in circuit protection reduces risk from common electrical faults; still, follow standard safety and installation practices when replacing a laptop battery.

• Factory-tested unit, labeled as 100% new from the manufacturer.
• Integrated protection protects against overcurrent and short circuits.
• Shipping includes customer support for post-install questions or issues.

How easy is installation and what support is available?

Installation requires removing the MacBook Pro bottom case and swapping the internal battery—tools and basic technical confidence are needed. If you prefer, seek a professional technician; TREE.NB provides 24/7 email support to answer fitment or installation questions.

• Internal replacement—compatible screwdrivers and safe handling recommended.
• 24x7 email support from TREE.NB for installation or compatibility help.
• Customer care available for returns or product concerns following purchase.

Who is this for: This TREE.NB A1322/A1278 battery is aimed at owners of 13-inch MacBook Pro laptops from 2009 through 2012 who want a cost-effective, factory-tested replacement to restore working battery life. Choose this pack if your machine reports reduced cycle capacity, shuts down unexpectedly on battery power, or requires frequent recharging. If you have a 2008 A1278 model, consult a compatible listing instead.