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MacBook Air 13-inch M4 2025 Battery Replacement

4.7★★★★★· 623 Google-recensioner

A MacBook Air 13-inch M4 2025 battery replacement fits a new battery made for model A3240, which brings back a full day's charge and stops sudden shutdowns. macOS shows "Service Recommended" in Battery settings when the old one is worn out. It costs £139.99. It usually takes 2-3 working days once we have your MacBook. Every repair carries a 12-month warranty on parts and labour.

All MacBook Air 13-inch M4 2025 repairs · Batteribyte

  2. 2Problem
  3. 3Price & booking

MacBook Air 13-inch M4 2025A3240

We can fix this

Battery replacement

MacBook Air 13-inch M4 2025 · A3240

Pris
£139.99
Apple's own battery service for this model: £179

A new battery made for your model, fitted and charge-tested.

Garanti
12-month warranty on parts and labour
Turnaround
2-3 working days once we have it
Same day only with our paid priority service.
Anything else while it's open?

10% off each extra repair in the same order.

How will we get it?
Total
£139.99

Signerar din MacBook Air M4 behöver detta

  • Battery settings say "Service Recommended" or the maximum capacity is well below 80%
  • The MacBook shuts down at 20% or 30%, or only works plugged in
  • Charge drops much faster than it used to
  • The case no longer sits flat, the trackpad is stiff, or the bottom bulges (a swollen battery: stop using it)

Vad orsakar det

  • Every lithium battery wears with charge cycles and age, so capacity falls year on year
  • Heat speeds the wear up: long sessions on a soft surface or a clogged fan
  • A battery left flat for months can drop below a safe voltage and stop taking charge

Hur vi fixar det

  1. We check the battery's health and cycle count, and that the charging circuit is working
  2. We remove the old battery safely and fit the new one
  3. We run it through a full charge and discharge test and check macOS reads it as healthy
  4. We send you the new health readings before it ships back

Med en blick

Pris
£139.99
Typical turnaround
2-3 working days
Garanti
12-month warranty on parts and labour
Model
A3240
Hur
UK mail-in with a prepaid Royal Mail label, or London drop-off by appointment
Extra reparationer
10% off each extra repair in the same order

How it works

Five steps, start to finish. You always know where your MacBook is and what happens next.

  1. Pick your model and the problem

    Find your MacBook by the A-number on its underside and tell us what it's doing. You see the fixed price straight away.

  2. Book and send it in

    Mail it in from anywhere in the UK with a prepaid Royal Mail QR label (nothing to print, post it at any Post Office), or drop it at our SE15 workshop by appointment. London courier collection is coming soon.

  3. We check it in and confirm the fault

    We test it when it arrives. If it needs something different from what you booked, we quote that first and do nothing until you say yes.

  4. Repair and test, with photos and videos

    We fit the part and test it before it goes anywhere, and send you photos and videos of the work, so you see what we see.

  5. Tracked back to you

    It comes back tracked, with a 12-month warranty on parts and labour.

Rated 4.7 on Google
From 623 reviews
12-month warranty on parts and labour
On every MacBook repair
Photo and video updates
While it's on our bench
No surprise charges
Anything extra is quoted first

Other MacBook Air 13-inch M4 2025 repairs

All MacBook Air 13-inch M4 2025 repairs →

Same repair, other MacBooks

Vanliga frågor

How much does a MacBook Air M4 battery replacement cost?

£139.99 for model A3240, including the battery and fitting. You can add screen replacement, keyboard replacement, trackpad replacement to the same order for 10% off each extra repair.

My MacBook battery is swollen. What should I do?

Stop using and charging it, keep it out of bags and away from anything that can burn, and do not press the bulge down. Book the battery replacement and tell us it is swollen: we pack and handle it accordingly. A swollen battery also lifts the trackpad and can crack the case, so do not wait.

How do I check my MacBook battery health?

Open System Settings, then Battery, and click the info button next to Battery Health. "Normal" is fine; "Service Recommended", or a maximum capacity under about 80%, means the battery is worn.

Hur får jag min MacBook Air M4 till dig?

Post it to us from anywhere in the UK: add a prepaid Royal Mail label at checkout and you get a QR code to show at any Post Office, so there is nothing to print. A MacBook always goes as a Medium parcel; pack it in a padded box with at least 5 cm of padding all round and leave the charger at home unless we ask for it. We post it back tracked. In London you can also drop it off at our workshop by appointment.

Is the battery replacement covered by a warranty?

Yes: a 12-month warranty on parts and labour, the same as every OG Repairs repair. The warranty covers the work we did and the parts we fitted; it does not cover new accidental or liquid damage, or normal battery wear over time.

Will I lose my data, and do you need my password?

A repair like this does not touch your files, and for most hardware repairs we do not need your password: Apple Diagnostics runs before anyone signs in. Back up with Time Machine before you send it anyway, as you would before any repair. If a test ever needs a login, we ask you to set up a temporary account rather than share yours.

Reviews

What our repair customers say

Real Google reviews from people whose consoles and controllers we've repaired. MacBook repairs are new here, so there are no MacBook reviews yet, and we won't make any up.

  • Rob Durkin★★★★★

    Was suffering from stick drift on my PS5 controller so sent it in to OG Repairs for an upgrade to the TMR Gulikit sticks. Photos showing the upgrades, a video pre-upgrade confirming stick drift, then a video post-upgrade showing it was gone. Very impressed and will return.

  • D1★★★★★

    Quick repair - the DualSense comes back with a second life! Love them sharing photos and videos about the repair as well. Thanks OG Repairs.

  • Sarah W★★★★★

    Absolutely quality repair team. They were quick and efficient with the way they repaired my controller. The video and picture of it being repaired was also a nice touch - definitely would choose them again.

  • OG customer★★★★★

    Outstanding work - sent in my PS5 controller for a stick drift repair and TMR upgrade. It's phenomenal, feels brand new. Highly recommend.

4.7 out of 5 from 623 Google reviews · Read all our Google reviews →