Choosing a budget battery for your MacBook is often like using £1 shop batteries in a high-performance device. While they may function initially, they frequently suffer from inconsistent voltage, rapid capacity loss, and a lack of thermal protection. Low-quality lithium cells are also far more prone to swelling, which can exert pressure on the underside of your trackpad and casing, leading to expensive secondary damage.

Fitting-Only Service (£50): If you prefer to source your own parts, we offer a professional fitting service for £50. However, please note that while we guarantee our technical labour, we cannot provide any warranty or protection for batteries not supplied by our shop due to the high failure rate of unbranded budget cells.

Replacing a battery in a modern MacBook is a high-precision task. Many units feature batteries that are heavily glued into the top case, requiring specialised solvents and non-conductive tools to avoid damaging the logic board. Every Atlantis technician follows strict safety protocols to ensure a seamless fit. You can verify official repair pathways and safety guidelines via the Official Apple Support Site.

We source our cells from trusted UK and European suppliers who meet strict safety standards:

• Branded Cells: We primarily use Grade-A cells from world-renowned manufacturers like Duracell and Greencell, which will often feature high-performance Sony or Samsung cells, ensuring original mAh specifications.
• Safety Standards: All our batteries abide by UK and EU safety laws, avoiding the fire risks associated with cheap fakes.
• Full-Service Warranty: Our comprehensive £150 replacement service comes with a **one-year guarantee**, covering both parts and labour.

A battery replacement at Atlantis involves a full internal service to restore your Mac's health:

1. Diagnostic Health Check: We verify if the issue is the battery itself or a deeper power-rail fault.
2. Safe Extraction: We safely extract the old cells without risk of puncture or frame damage.
3. Internal Cleaning: Dust build-up leads to fan noise; we clean your internal fans and heatsinks at no extra cost.
4. Calibration: We cycle the new battery to ensure it communicates correctly with macOS.

⭐ "Fraction of what others quoted"
"Really pleased with the repairs done to my laptop keyboard and usb ports... Atlantis repaired it for a fraction of what others quoted." — Andy Hill

⭐ "Sorted in 15 minutes"
"Great service. I had a non responsive laptop that I needed to access quickly... it was all sorted in 15 minutes. Friendly and helpful." — Jon Starck

⭐ "Very good experience"
"I needed a new battery but the Atlantis technician was also able to repair a sticking key and clean the unit." — Hedley Basford

We provide a seamless mail-in service for customers across the UK:

1. Free Label: Receive a pre-paid Royal Mail tracked label via email manually from our team after checkout.
2. Safe Shipping: Drop your securely packed MacBook (use plenty of bubble wrap and a plain box) at any UK Post Office.
3. Fast Return: Your device is repaired in our Canterbury workshop and returned via tracked delivery, usually within 3-5 working days.

*Please keep your tracking receipt from the Post Office for peace of mind.

What is the cost for battery fitting only? If you supply your own battery, our fitting fee is £50. No warranty is provided on customer-supplied parts.

How much is the full Atlantis battery service? Our premium service is £150. This includes high-performance branded cells (Sony/Samsung), fitting, a full clean, and a 1-year warranty.

Is it worth repairing a 3 year old MacBook? Absolutely. A fresh battery restore portability and prevents damage from swelling cells.

How much does it cost to replace a Mac battery in the UK?
At Atlantis, we offer a fitting-only service for £50 if you supply the part. Our full professional replacement is £150, featuring Sony or Samsung cells and a 12-month warranty.

Can I replace my own MacBook battery?
Newer models are heavily glued. Attempting DIY without solvents can puncture cells. Our £50 fitting service ensures a safe replacement by an expert.

Does a new battery improve MacBook performance?
Yes. macOS limits CPU speed if a battery is failing; a new cell from Greencell or Duracell allows your processor to run at full speed again.