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Battery drains quickly
Your phone loses charge much faster than it used to, even during light use.
Phone Battery
Replacements
Restore battery life, reduce unexpected shutdowns and get your smartphone working reliably again with a professional battery replacement.
Book your phone battery replacement today
Professional battery replacement services for iPhone, Samsung and Google smartphones.
If your phone battery drains quickly, shuts down unexpectedly or no longer lasts through the day, it may be time for a replacement.
At iSmash, our trained technicians provide smartphone battery replacement services for a wide range of devices. We use high-quality compatible batteries and carefully test your phone after the repair.
With iSmash stores across the UK, you can book a battery replacement near you at a clear and competitive price.
Replace my phone battery⏱
Fast repairs
Many battery replacements can be completed the same day.
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Repair warranty
Eligible battery repairs include an iSmash repair warranty.
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Quality parts
High-quality compatible batteries selected for reliable performance.
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Trusted service
More than one million customers have chosen iSmash.
Signs your phone battery may need replacing
Battery performance normally declines over time. These symptoms can indicate that your battery needs attention.
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Unexpected shutdowns
Your phone switches off or restarts even when the battery indicator shows remaining charge.
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Slow or inconsistent charging
The battery takes much longer to charge or the percentage rises unpredictably.
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Phone gets unusually warm
Excess heat during normal use or charging may be linked to battery deterioration or another fault.
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Reduced performance
An ageing battery can contribute to slower performance and reduced reliability.
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Battery health warning
Your device reports reduced battery health, a service warning or significantly lower maximum capacity.
Choose your smartphone
Select your device brand to view available battery repairs, current pricing and booking options.
iPhone Batteries
Battery replacement services for a wide range of compatible iPhone models.
View iPhone repairsSamsung Batteries
Battery replacement options for selected Samsung Galaxy smartphones.
View Samsung repairsGoogle Pixel Batteries
Battery replacement and diagnostic services for supported Google Pixel models.
View Google repairsWhy choose iSmash?
Express Repairs
Fast battery replacement options, with timings confirmed when you book.
Repair Warranty
Eligible battery repairs are covered by an iSmash repair warranty.
Quality Parts
We use high-quality compatible batteries selected for reliable performance.
Qualified Experts
Our technicians are trained to diagnose and replace smartphone batteries.
Five-star Service
Trusted by more than one million customers for device repairs.
Eco-friendly
Replacing a battery can extend your phone’s useful life and delay replacement.
Phone battery replacement near you
Find professional smartphone battery replacement services at iSmash stores across the UK.
Choose your nearest location, check availability and book an appointment online.
Find your nearest storePhone battery replacement FAQs
How do I know if my phone battery needs replacing?
Common signs include rapid battery drain, unexpected shutdowns, slow charging, excessive heat, reduced performance or a battery-health warning in your device settings.
How long does a phone battery replacement take?
Repair times depend on the device model, repair complexity and parts availability. Many common battery replacements can be completed the same day.
How much does a phone battery replacement cost?
The price depends on your phone brand and model. Select your device or start an online booking to view current repair options and pricing.
Will a battery replacement improve phone performance?
A worn battery can contribute to shutdowns and reduced reliability. Replacing it may improve battery life and overall day-to-day performance, provided no other faults are present.
Will I lose my data during a battery replacement?
A battery replacement does not normally remove your data, but you should always back up important information before any repair.
Does a battery replacement include a warranty?
Eligible battery replacements include an iSmash repair warranty. The applicable terms and exclusions will be confirmed when you book.
Can you replace swollen phone batteries?
A swollen battery can be hazardous. Stop using or charging the device, avoid pressing on the screen or casing and arrange a professional inspection as soon as possible.
Can you replace iPhone, Samsung and Google Pixel batteries?
iSmash offers battery replacement services for a range of compatible iPhone, Samsung Galaxy and Google Pixel models. Availability varies by device and store.
Ready to replace your phone battery?
Choose your device, find your nearest iSmash store and book your battery replacement online.
Book an appointment