Your iPhone was once reliable, but now the battery drains too quickly, shuts off unexpectedly, or heats up during charging. These are clear signs that the battery is no longer performing well. For many users, this becomes frustrating, especially when they rely on their phone for work, communication, and everyday tasks. Ignoring these issues can lead to more serious damage, such as performance drops or even swelling of the battery.
This raises an important question. Should you try iPhone battery replacement at home, or call a technician for help? While DIY options are available, they come with risks. One mistake can damage your phone permanently. In this blog, we’ll explain how to recognize when your battery needs replacing, compare DIY and professional options, and cover the iPhone battery replacement cost for models like the 6s and 7 Plus. If you’re in Newcastle or anywhere in Australia, this guide will help you decide what works best.
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Signs Your iPhone Battery Needs Replacement
Not all battery issues require immediate replacement, but there are some unmistakable signs that it’s time to act. If your iPhone is constantly shutting off even when it shows 20–30% charge left, or if it takes unusually long to charge, your battery could be nearing the end of its lifecycle. Another common sign is rapid battery drain even when you’re not using power-hungry apps.
Some users also notice that the phone becomes unusually warm during use or charging. If you head into the iPhone Settings > Battery > Battery Health & Charging, and the “Maximum Capacity” drops below 80%, it’s often time for a new battery. These symptoms can impact performance and even reduce the resale value of your phone if left unaddressed.
DIY iPhone Battery Replacement: What to Know
If you’re handy with tools and understand the risks, DIY battery replacement might seem appealing. Several online platforms sell iPhone battery kits, including tools and instructions. For older models like the iPhone 6s and 7 Plus, DIY might be manageable. But even with a kit, the process is delicate and requires careful handling of small components.
Opening your phone without the right knowledge can lead to issues like damaging the display, improper sealing that affects water resistance, or even puncturing the battery, posing a safety risk. More importantly, replacing the battery on your own often voids any warranty or AppleCare coverage.
⚠️ Scannable Risk Note:
- Apple won’t support self-repaired devices
- Mishandling can lead to short circuits or swelling
- You may lose water-resistance protection after resealing
Professional Battery Replacement: Why It’s Worth It
Calling a technician or visiting a certified service center remains the safest and most efficient way to replace your iPhone battery. Professionals follow a streamlined process with proper diagnostic tools, ensuring that battery calibration and sealing are done correctly. This not only protects your phone’s performance but can also prevent future complications.
When you hire a professional service like Mayfield Cell Phone Repairs, you also get a warranty on the repair and the battery itself. This is especially important for newer models or users who rely heavily on their phone for work or study. Trained technicians can also detect related issues such as charging port faults or software irregularities that often go unnoticed in DIY repairs.
🛠️ Why Pros Are Safer:
- Use of high-grade parts and proper tools
- Safe disposal of the old battery
- Post-repair diagnostics ensure your iPhone is functioning optimally
iPhone Battery Replacement Price in Australia
Battery replacement costs can vary depending on your iPhone model, service provider, and whether you’re using original or third-party parts. Here’s a general idea of pricing:
iPhone Model | Approximate Price (AUD) |
iPhone 6s | $60 – $90 |
iPhone 7 / 7 Plus | $70 – $100 |
iPhone 8 / SE 2020 | $80 – $110 |
iPhone X and above | $100 – $150 |
Keep in mind that third-party services are often cheaper than Apple-authorized centers, but always ask about part quality and warranty.
When to Replace by iPhone Model
Different iPhone models have different battery lifespans. Older models like the iPhone 6s or iPhone 7 Plus typically require replacement sooner than newer models, especially if they’ve gone through several charging cycles. For example, if you’ve had your iPhone 6s for more than 2–3 years and notice sluggish performance, that’s a strong sign the battery has degraded.
Even newer devices, like the iPhone 11 or 12, can experience faster battery wear due to intensive use or exposure to heat. For each model, Apple recommends a replacement when battery health dips below 80%. However, for frequent users, it might make sense to replace even earlier if performance is compromised.
Common Myths About Changing iPhone Batteries
There are plenty of misconceptions when it comes to iPhone battery replacement. Let’s clear a few:
- Myth 1: You must only replace your battery at Apple stores.
✅ Fact: Trusted third-party services can offer quality replacements at better prices without affecting your device when done correctly. - Myth 2: New batteries always restore original performance.
✅ Fact: While a fresh battery helps, your phone’s overall age and condition also play a role in performance. - Myth 3: It’s better to wait until the battery dies completely.
✅ Fact: Waiting too long can damage internal components and may increase the overall repair cost.
By understanding the truth behind these myths, you can make smarter and safer decisions about your device’s maintenance.
Safety Tips During and After Battery Replacement
Whether you’re replacing your iPhone battery on your own or via a technician, safety should be the top priority. Never attempt a battery replacement on a swollen or leaking battery yourself. In such cases, immediate professional help is essential.
After replacement, avoid exposing your phone to extreme heat or overcharging. Use only original or certified charging cables to protect the new battery. Also, keep an eye on how the phone performs in the first few days to ensure the battery is calibrated properly.
🔋 Battery Safety Checklist:
- Never puncture or bend the battery
- Avoid water exposure post-repair
- Monitor for abnormal heating
- Use only trusted chargers
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Key Takeaway
iPhone battery replacement is a critical part of keeping your device performing at its best. Knowing when to replace, whether to go DIY or professional, and how to ensure safety can save you time, money, and frustration. While a DIY approach may work for older models with patience and precision, professional services offer peace of mind, reliability, and added protection. Whether you own an iPhone 6s or a newer iPhone 12, timely battery care keeps your device efficient and long-lasting.
FAQs
How much is an iPhone battery replacement in Mayfield, Australia?
The price typically ranges between AUD 60 $150, depending on your iPhone model and whether you’re going to an Apple store or a third-party technician.
Can I replace an iPhone 6s battery myself?
Yes, it’s possible with a DIY kit, but it requires patience and technical skill. For safety and long-term performance, a technician is recommended.
Is it worth changing the battery on an old iPhone?
If the phone is still working well otherwise, then yes. A battery swap can restore performance and extend its life by another year or more.
Does Apple battery replacement improve performance?
Yes, it often restores performance that may be throttled due to degraded battery health. However, it won’t fix unrelated hardware or software issues.
How do I know if my iPhone battery needs to be replaced?
Check Settings > Battery > Battery Health. If maximum capacity is under 80%, or if the phone dies quickly, lags, or gets hot, it may be time for a replacement.
Can changing iPhone batteries damage the device?
Improper replacement can cause internal damage. That’s why it’s important to use proper tools, follow instructions, and choose a qualified technician.