Battery replacement and power checks

Battery replacement for poor runtime, swelling and shutdown issues

Battery replacement can help with poor runtime, sudden shutdowns, slow charging and swollen batteries, but not every power symptom is caused by the battery. TECHHELP checks battery health, charging behaviour, usage symptoms and related power faults before recommending replacement.

Battery drain and shutdowns
Swollen battery advice
Charging-path checks
Quality options explained

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Popular fixes Trusted by customers

Battery Health Poor runtime, low health, shutdowns and ageing battery symptoms.

Safety Warning Swollen batteries should not be pressed, punctured, charged or continued in use.

Charging Path Battery symptoms can also come from ports, chargers, software or board faults.

Repair Services

Common Faults We Handle

Explore the main repair issues we diagnose and fix for this service category.

Identify when a replacement battery is likely to help.

Battery drain
Shutdowns
Swelling

Fast battery drain Check battery health and usage behaviour before replacing parts.

Unexpected shutdowns Often battery-related, but can also involve power circuits or software.

Swollen battery Stop using the device and arrange inspection quickly.

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Choose your device

How this repair differs by device

Select a device group or read each section to understand the checks, part route and repair limitations.

Phone battery replacement

Short runtime, unexpected shutdowns, swelling and charging instability.

We check battery condition and power behaviour before recommending replacement. For supported iPhone, Samsung and other models, the quote identifies the actual battery option and explains expected health reporting, parts history or repair-completion behaviour.

Windows laptop batteries

A laptop that will not charge may have an adapter, socket or motherboard fault.

We match the battery by exact laptop model and part number, inspect for swelling and test charger recognition. Original laptop chargers are available to help separate an adapter problem from a battery or charging-system fault.

MacBook battery replacement

Battery condition, cycle count, swelling and shutdown symptoms need model-specific checks.

We confirm the MacBook identifier, available battery route and any repair-completion requirements. The new battery is checked for charge acceptance and stable operation, and original Apple power adapters and suitable cables are also stocked.

iPad and Android tablet batteries

Battery access, screen condition and device value affect the repair decision.

Opening a tablet can involve a bonded display, so we inspect screen and frame condition before quoting. Availability and reporting behaviour are confirmed for the exact iPad or Android tablet model.

Parts you can choose with confidence

Genuine and OEM repair parts in stock

TECHHELP stocks Genuine and OEM screens, batteries and charging-port parts for supported phones, tablets, laptops and MacBooks. Tell us your exact model so we can confirm the available quality options, part condition and repair quote. Compare Generic Replacement, OEM Battery and Genuine / Service Pack. Generic replacement is the budget or temporary option. OEM is recommended for its balance of quality and value; Genuine / Service Pack is the best option for the closest original experience. For daily-use iPhones, we recommend OEM or Genuine batteries.

Read the battery quality guide

Explore Genuine and OEM repair parts

Repair scenario

A device shuts down while it still reports charge

Unexpected shutdowns occur under load although the displayed charge is not zero. Check battery condition and the power symptoms rather than relying on the percentage alone. Discuss the appropriate battery and reporting expectations before replacement.

Illustrative repair scenario, not a recorded TECHHELP customer job. The actual fault and repair options require assessment.

Repair options

Battery replacement options

Choose a common repair below, use the price finder, or send photos if you are unsure which repair option applies.

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battery replacement phone battery iPhone battery Samsung battery

Select a repair guide below or use Check price for your exact model. For an unclear fault, send the model, symptoms and photos so we can advise on diagnostics before parts are ordered.

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Trust & clarity

Before you approve the repair

This repair is handled with a clear diagnosis route, quote approval, warranty explanation and realistic advice before paid work goes ahead.

Warranty and diagnostic note Warranty depends on repair type, part used and device condition. Liquid damage, impact damage, previous repairs and board-level faults may have limited warranty depending on the issue. TECHHELP explains this before repair approval.

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Diagnosis before approval

We check the exact symptoms and device condition before recommending parts, board work or deeper inspection.

Parts quality explained

We explain the available part quality, repair testing and warranty before you approve the work.

Data-conscious handling

Most hardware repairs do not need data access, but customers should back up important data where possible.

Clear warranty position

Impact damage, liquid damage, previous repairs and board-level faults can affect warranty. We keep this clear before repair.

Inside TECHHELP

Real repair work from our Lucan workshop

Phones, Apple devices, laptops, tablets and consoles are checked carefully, quoted before repair and tested before handover. We explain the fault, repair options, parts quality and warranty clearly so customers know what to expect.

Workshop

Real TECHHELP repair counter

Local handover, practical advice and a clear route from diagnosis to repair approval.

Diagnostics

Bench diagnostics and testing

Tools, measurements and careful testing help separate simple part faults from deeper issues.

Device repairs

Phones, tablets and laptops

Screen, battery, charging, laptop and tablet repairs are checked before customer handover.

Advanced repairs

Console and board-level work

HDMI, USB-C, no-power and board-level faults need a careful inspection path before quoting.

Local Service Area

TECHHELP repair workshop

Visit TECHHELP in Unit 17 Lucan shopping centre, Lucan, Dublin for repair advice and diagnostics. Call 087 484 8484 to discuss your device and fault before visiting.

Nearby areas we serve

Lucan
Clondalkin
Palmerstown
Liffey Valley
Leixlip
Dublin West

Related Repair Services

FAQs

Repair questions and answers

Practical answers for the devices and faults covered on this page.

Is fast battery drain always a battery fault?

No. Battery drain can be caused by battery age, heavy usage, software, charging faults, liquid damage or board-level issues.

Is a swollen battery dangerous?

Yes. Stop using the device, do not press or charge it, and arrange inspection as soon as possible.

Will a new battery make my old phone like new?

It can improve runtime if the battery was the main issue, but it will not fix unrelated software, charging or board faults.

What battery quality should I choose?

For daily-use devices, better-quality or OEM/genuine/service-pack batteries are usually a better long-term option where available.