Normal
Battery functioning as expected.
Is Your MacBook Battery Not Lasting Like It Used To?
If your MacBook requires constant charging, displays a battery service warning, shuts down unexpectedly, or no longer lasts through the day, a battery replacement may be the most cost-effective way to extend its life.

Battery life far shorter than before, rapid drain, or only useful when plugged in.
From $179
macOS shows a battery service warning. Battery health has declined.
From $179
Shuts down unexpectedly, or the battery percentage jumps around.
From $179
Swelling can lift the trackpad or distort the lower case. Have it assessed as soon as possible.
From $179
Not every battery problem is caused by a worn battery. We check the charging system and power management before recommending repairs.
Not every battery problem is caused by a worn battery. We confirm your price before we start. 90-day repair warranty.
| MacBook model | Starting price | Turnaround |
|---|---|---|
| MacBook Air | From $179 | 1–3 days |
| MacBook Pro 13" | From $199 | 1–3 days |
| MacBook Pro 14" | From $249 | 1–3 days |
| MacBook Pro 15" | From $225 | 1–3 days |
| MacBook Pro 16" | From $249 | 1–3 days |
The price depends on: the model, battery design, battery availability and repair complexity.
Need a quote? Contact us with your MacBook model and we'll explain the available options.
Prices are starting prices and a guide only. We assess the MacBook before recommending repairs. 90-day repair warranty.
You can usually view battery information in macOS by navigating to battery settings and system information. On recent versions of macOS, go to:
System Settings → Battery
Battery functioning as expected.
Battery life noticeably shorter than when the device was newer.
The battery has degraded and may benefit from replacement.
MacBook batteries naturally lose capacity as charge cycles increase.
High cycle counts combined with reduced battery life, unexpected shutdowns, or Service Recommended warnings can indicate that battery replacement may be worthwhile.
A battery assessment can help determine whether replacement is justified.
A swollen battery should not be ignored.
Battery swelling can:
If you suspect battery swelling, we recommend having the device assessed as soon as possible.
In many cases, yes.
Battery replacement is often worthwhile when:
Replacement may be worth considering when:
If replacing the MacBook makes more financial sense, we'll explain why. See our refurbished MacBooks.
Ask us about your batteryAt Regen Computers, we provide MacBook battery replacements from our Hamilton workshop for customers throughout Hamilton and the wider Waikato region. Our diagnostics-first approach helps determine whether the battery is actually causing the issue before recommending repairs.
More about our MacBook battery replacements
You may need a battery replacement if you notice:
Battery-related issues often become more noticeable over time. Not sure? Book a diagnosis.
MacBook batteries are designed to withstand hundreds of charge cycles before significant degradation occurs.
Actual lifespan depends on:
Many MacBooks can continue providing excellent performance long after the battery begins to deteriorate.
The most common cause of reduced battery performance.
Every rechargeable battery gradually loses capacity over time.
Extended heat exposure can accelerate battery wear.
Frequent charging and discharging cycles contribute to battery degradation.
Improper storage can affect battery condition.
Before recommending repairs we inspect:
Assessing overall battery performance.
Checking for charging-related faults.
Verifying whether software or hardware issues are contributing.
Inspecting for physical battery-related concerns.
Checking for additional faults that may affect repair decisions.
This helps identify the root cause before recommending repairs.
Often, yes.
A new battery will not make an older MacBook perform like a current model, but it can:
For many users, battery replacement can significantly extend the useful life of the device.
We identify whether the battery is responsible for the issue.
The worn battery is removed and replaced.
Every repaired MacBook is checked for:
A final inspection is completed before collection.
Battery replacement pricing can vary depending on:
At Regen Computers, we explain the available options before commencing work.
Regen Computers provides MacBook battery replacements from our Hamilton workshop at 4 Devon Road, Frankton, and assists customers throughout the Waikato region.
We regularly assist customers from:
Whether your MacBook battery drains quickly, shows a service warning, or you're unsure whether replacement is worthwhile, we're happy to assess the device and explain the available options.
Visit our workshop
Regen Computers
4 Devon Road, Frankton
Hamilton, New Zealand
90-day repair warranty · Rated 4.7★ from 200+ Google reviews
Not sure if it is the battery? Ask us and we'll check it before any work starts.
If the MacBook still performs well and the battery is the primary issue, a battery replacement is often significantly cheaper than replacing the laptop.
This usually indicates that battery health has declined and the battery may no longer be performing as expected.
MacBook battery replacements start from $179 for a MacBook Air, $199 for a MacBook Pro 13 inch, $225 for a 15 inch and $249 for a 14 inch or 16 inch. Pricing depends on the model and battery required. Contact us for a model-specific quote.
Yes. Swollen batteries should be assessed promptly because they can affect other components and the physical structure of the MacBook.
Many MacBook battery replacements are completed within 1 to 3 business days, depending on the model and battery availability.
Yes. Eligible MacBook battery replacements completed by Regen Computers are backed by a 90-day warranty covering workmanship and qualifying replacement parts.
Apple Silicon and Intel-based MacBooks. Subject to parts availability. Not sure about your model? Ask us.
This service is commonly recommended for:
Whether your MacBook battery no longer lasts through the day, shows a service warning, or has started swelling, we’re happy to help.
Contact Regen Computers today for a MacBook battery replacement quote in Hamilton.