iPhone 11 Pro Max Battery Replacement
Cambridge workshop or UK-wide mail-in
Tracked UK return postage is included after the completed repair. Every listed repair includes functional testing and a 90-day guarantee covering the fitted part and CambTech workmanship.
Starting your repair
By placing this repair order, you request that CambTech begins providing the service as soon as your device arrives, including during the statutory 14-day cancellation period. You may be charged for work completed before cancellation, and your cancellation right may end once the repair has been fully performed. Read the full cancellation terms.
How booking works
- Choose the correct repair option and add it to your basket.
- Complete checkout, then follow our packing instructions.
- Bring the device to our Cambridge workshop or send it by tracked, appropriately insured post.
- We repair and test the device, then return it using tracked UK delivery.
Read packing and sending instructions · Ask us before booking
Improve unreliable battery life with a professional iPhone 11 Pro Max battery replacement from CambTech Media Solutions. We provide repairs locally in Cambridge and through a convenient UK-wide mail-in service.
Common signs of a worn iPhone battery
- The battery drains much faster than it used to
- The phone switches off while charge remains
- Performance drops noticeably at lower battery levels
- The device needs charging several times a day
- Battery Health shows a service message
A weak battery can make an otherwise reliable iPhone difficult to use. We inspect the phone before fitting the replacement so that charging-port, software or board-level faults are not mistaken for normal battery wear.
What is included
- Battery condition and charging checks
- Professional replacement of the internal battery where confirmed
- Post-repair charging, power and function testing
- A 90-day repair guarantee
Choose a Cambridge or UK mail-in repair
Cambridge customers
Bring your iPhone 11 Pro Max to CambTech Media Solutions in Cambridge for inspection and battery replacement. Contact us through the website if you would like guidance before placing the order.
Mail-in battery replacement
Customers elsewhere in the UK can order online and send the phone to us securely. Return postage is included. We will contact you if our checks identify a different cause of the battery or charging problem.
Important battery safety
If the screen is lifting, the phone is unusually hot or the battery appears swollen, stop using and charging the device and arrange an assessment. Do not press the screen back into place or puncture the battery.
Before your repair
Back up important data where possible and remove the case and accessories. A battery replacement does not usually erase data, although maintaining a current backup is strongly recommended.
Frequently asked questions
Will a new battery improve performance?
A healthy replacement battery can improve reliability where poor performance or shutdowns are being caused by a degraded battery. It will not resolve unrelated software or logic-board faults.
Is this repair covered by a guarantee?
Yes. The completed battery repair includes our 90-day repair guarantee. Full terms apply.
Do you accept repairs from outside Cambridge?
Yes. Our mail-in service is available throughout the UK, with return postage included.