MacBook Battery Replacement Philadelphia
Swollen, dead, or Service Recommended MacBook battery? We replace MacBook Pro and MacBook Air batteries with high-quality cells, calibrate them, and back the work with a 90-day battery warranty.
Free Diagnosis
No charge to find the problem
90-Day Battery Warranty
On battery replacements
Microsoldering
Component-level repair
Philadelphia Shop
Walk in or mail in
MacBook Air Battery Replacement
Flat pricing for every MacBook Air battery replacement. All batteries carry a 90-day manufacturer warranty. Walk in same-day or ship from anywhere.
MacBook Pro Battery Replacement
Flat pricing for every MacBook Pro battery replacement. We remove the old battery, prep the adhesive, install the new cells, and calibrate. All batteries carry a 90-day manufacturer warranty.
Legacy Mac Battery Replacement (Pre-2018)
We still replace batteries in older MacBooks. These use high-quality aftermarket cells. All batteries carry a 90-day manufacturer warranty.
Why Choose MackTechs for MacBook Battery Replacement
We have replaced hundreds of MacBook batteries out of our Philadelphia shop since 2014, across every era from the classic unibody A1278 through current M3 Airs. We see every common failure mode: the Service Recommended warning in macOS, dead cells that will not hold a charge past 20 percent, sudden shutdowns at 40 percent, won-t-charge-past-80-percent issues, and the scariest one, visibly swollen cells that push up on the trackpad or bulge the bottom case.
Modern MacBook batteries are not a snap-in part. The entire 2015 and later Retina lineup has the battery glued to the top case with strong adhesive strips, and on Touch Bar models (A1706, A1708, A1989, A1990) the only safe access is from the top case out. We use a heated-pad process to soften the adhesive without damaging the trackpad, logic board, or the cells themselves. Every replacement is calibrated through a full discharge-and-recharge cycle before pickup so macOS reports the correct design capacity.
We back every MacBook battery replacement with a 90-day limited warranty on the battery cells. That is shorter than our normal 1-year shop warranty because lithium batteries are consumable parts that wear with normal use no matter who installs them. The 90 days covers any cell defect, early capacity loss, or workmanship issue. Real Philadelphia storefront, free diagnosis, fixed quote before any work starts, and safe disposal of your old cells through certified channels.
Battery Issues We Fix
Any of these symptoms usually means the battery has reached the end of its usable life. Some are safety issues (swelling) and some are just inconvenience (short runtime). All of them are fixable with a replacement cell and a calibration.
Service Recommended Warning
macOS detects high cycle count or capacity loss and flags the battery in System Settings. The Mac will still run on AC power.
Swollen Battery
Trackpad pushed up, bottom case bulging, MacBook wobbling on a flat table. STOP using the laptop and bring it in today. See safety notes below.
Sudden Shutdowns
MacBook drops dead at 30 to 50 percent with no warning. Usually indicates a worn cell that cannot sustain current draw under load.
Will Not Hold a Charge
Runtime drops from hours to minutes. Battery charges to 100 percent but discharges almost immediately.
Stuck at Not Charging
Charger is plugged in but macOS refuses to charge the battery. Sometimes a battery issue, sometimes a charging circuit fault, which we also repair.
High Cycle Count
After 4 to 6 years of daily use most MacBook batteries reach Apple end-of-life thresholds and start flagging in macOS.
Our Battery Replacement Process
Every battery job follows the same careful workflow to protect the logic board, trackpad, and new cell pack. Most replacements are completed within 2 to 3 business days after diagnosis, and same-day turnaround is sometimes possible when the correct battery is in stock for your model.
- Diagnose battery health. We read cycle count, condition, and capacity directly from the battery management chip, and check for any visible swelling or corrosion.
- Disconnect power safely. AC is unplugged and the battery connector is isolated before any disassembly begins. This is especially critical on swollen units.
- Heat-release the adhesive. On glued-in Retina models we use a controlled-heat pad to soften the strips without damaging the trackpad ribbon or the logic board above it.
- Install fresh cells. New adhesive strips, correct connector orientation, cables routed without twists or pinches.
- Calibrate and test. Full discharge followed by a full recharge cycle, then we confirm the system reports the new battery design capacity before pickup.
MacBook Models We Replace Batteries For
We replace batteries in every MacBook Pro and MacBook Air from 2009 through the current M3 generation. Older unibody models are the easiest jobs because the battery is not glued in. Retina, Touch Bar, and Apple Silicon models require the glue-release workflow described above.
| Model | Years | Battery Notes |
|---|---|---|
| MacBook Pro Unibody | 2009-2012 | A1278, A1286, A1297 (easiest, no adhesive) |
| MacBook Pro Retina | 2012-2015 | A1398, A1502 (glued tray battery) |
| MacBook Pro Touch Bar | 2016-2019 | A1706, A1707, A1708, A1989, A1990 (top-case-out access) |
| MacBook Pro Apple Silicon | 2020 - 2026 | A2289, A2338, A2485, A2780, A2918, A2991 |
| MacBook Air (Intel) | 2010-2017 | A1370, A1369, A1465, A1466 |
| MacBook Air Retina | 2018-2024 | A1932, A2179, A2337, A2681, A3113 |
Swollen battery warning. If the trackpad is lifted off the surface, the bottom case is bulging, or the laptop wobbles when set down flat, do not charge or use it. Disconnect from power, put it on a non-flammable surface, and bring it in as soon as possible. Lithium battery fires are real and we would rather diagnose it for free today than have you wait another week. We dispose of damaged cells safely through certified recycling.
Walk-In and Nationwide Mail-In Service
Our shop is at 4329 Main Street in Manayunk, Philadelphia. Walk in Monday through Friday 11am to 6pm or Saturday 11am to 3pm for a free battery diagnosis. If you are outside the Philadelphia metro, ship it to us and we will diagnose, quote, replace, calibrate, and return the MacBook with tracking. Every battery job includes the 90-day battery warranty. If your charging circuit is damaged instead of the battery itself, see our Mac liquid damage repair page, and for related top-case-out work see our MacBook keyboard replacement page. The 2020 13-inch MacBook Pro (A2289 and A2338) has its own long-tail landing page with more specifics.
MacBook Battery Replacement in Philadelphia - Walk In or Mail In
Our shop is located at 4329 Main Street in Manayunk, Philadelphia PA 19127. Walk in Monday-Friday 11am-6pm or Saturday 11am-3pm for a free diagnosis - no appointment needed. Can't make it to the shop? Submit a mail-in repair request from anywhere in the US and we will send shipping details and track your repair end-to-end.
We serve customers throughout Philadelphia and the surrounding region - Manayunk, East Falls, Roxborough, Germantown, Bala Cynwyd, Chestnut Hill, Center City, and nearby suburbs - plus nationwide mail-in customers.
MacBook Battery Replacement FAQ
Ready for Your MacBook Battery Replacement?
Free diagnosis. 90-Day Battery Warranty. Walk in or ship from anywhere.