Correct, quality cells
We fit the right battery for your exact model — quality cells that meet the original capacity, not cheap knock-offs.
Service
Laptop Battery Replacement
If your laptop dies the moment you unplug it, drains in an hour, or the case is bulging from a swollen battery, it’s time for a replacement. Comsys Technologies fits quality replacement batteries in Windows laptops and MacBooks across Auckland, restoring all-day runtime and — importantly — removing the safety risk of a swollen cell.
／ 01
Signs you need a new battery
- Laptop turns off as soon as it’s unplugged
- Charge drains far faster than it used to
- “Consider replacing your battery” or “Service battery” warnings
- Trackpad or case bulging (a swollen battery — handle with care)
- Battery won’t charge past a certain percentage
／ 02
Quality parts, safe disposal
Swollen-battery safety
Swollen lithium batteries are a fire and damage risk. We remove and dispose of them safely and check for any related damage.
Tested before return
We verify charging and runtime before handing your laptop back.
／ 03
Frequently Asked Questions
Is a swollen battery dangerous?
Yes — a swollen battery can damage your laptop and is a fire risk. Stop using it, don’t charge it, and bring it in promptly for safe replacement.
Can you replace MacBook batteries?
Yes, we replace batteries in MacBook Air and Pro models as well as Windows laptops.
How long does it take?
Once we have the correct battery, replacement is usually quick. Tell us your model on 0800 724 526 and we’ll confirm timing and price.
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