If your Samsung Galaxy S9 no longer lasts the day or dies at awkward moments, the battery has likely degraded. Replacing it restores reliable all-day use without changing anything else. We dispose of the old cell responsibly and fit a fresh one.
- Turnaround: 1 working day, subject to stock and workload
- 6-month warranty on this repair
- Walk-in near Liverpool Street Station or UK mail-in service
Signs your Samsung Galaxy S9 needs this repair
- Draining far faster than it used to
- Shutting down with charge still showing
- Only reliable while plugged in
- Screen or back lifting from a swollen cell
- Getting warm in normal use
What is included
- Safe removal of the worn battery
- Fitting of a quality replacement cell
- Charging and power-stability testing
- Full function check before handover
- 6-month warranty
How to confirm your model
Check the model number in your device settings, or bring it in and we will confirm the exact Samsung Galaxy S9 before any work begins. If you are unsure which repair you need, our team will advise.
Before you book
- If we discover water damage during your repair that affects the work, we will stop and let you know. A water damage diagnosis is applicable at the current fee, and we will confirm this with you before we proceed.
- If the phone has been opened before, we inspect the seals and connectors as part of the job.
- If the phone has had liquid exposure, a battery may not resolve everything and we check first.
- If the device is completely dead, we run a quick diagnosis before confirming the battery.
Our repair process
- Tell us the fault: choose this repair or ask us to confirm it first.
- Walk in or post it: visit near Liverpool Street Station or send it from anywhere in the UK.
- We repair and test: the work is checked before the device is returned.
- Collect or receive by post: pick up in store or choose tracked return.
Why choose us
- Quality parts matched to your device
- Walk-in and UK mail-in both available
- Repair workshop near Liverpool Street, established since 2015
- No data loss, this is a hardware repair
Related Samsung Galaxy S9 repairs
Frequently Asked Questions
Can I walk in or post it?
Both. Walk in near Liverpool Street Station or post it with tracked return.
How long does it take?
Often the same day where the cell is in stock. We confirm at booking.
Do you recycle the old battery?
Yes, the old cell is disposed of responsibly.
Will I lose my data during a battery replacement?
No. It is a hardware-only procedure and your data stays exactly as it is.
Is it worth replacing rather than upgrading?
If the phone is otherwise sound, a battery is a far cheaper way to get reliable all-day use again.
Is the battery replacement guaranteed?
Yes. The warranty for this repair is shown on the page and applies to the fitted battery.