Yes, you can replace an iPhone battery, but your options depend on your model, your comfort level, and whether you want to keep your warranty intact
Apple designs iPhones so that the battery is glued to the inside of the phone, not screwed in like older devices. This means replacing it yourself requires opening the phone, removing adhesive, disconnecting a connector, and reassembling everything—which is possible but risky if you have not done it before. You can also take your iPhone to Apple, an Apple Authorized Service Provider, or an independent repair shop, each with different costs and trade-offs.
The battery itself costs between $50 and $80 depending on your model. If you go through Apple, the total service charge is usually $69 to $99 plus the battery cost. Independent shops often charge less overall but may not use genuine Apple parts. Doing it yourself costs only the battery price, but one mistake—a cracked screen, a severed ribbon cable, or water damage—can turn a $70 repair into a $300 phone replacement.
Key Takeaways
- Apple batteries are glued in place, so self-replacement requires opening the phone, heating the adhesive, and carefully disconnecting internal connectors.
- Apple charges $69 to $99 for battery replacement plus the battery cost, and your warranty remains valid afterward.
- Independent repair shops often charge $40 to $80 total but may use non-genuine batteries and offer no warranty on the work.
- Self-replacement voids any remaining warranty and risks cracking the screen or damaging internal connectors, which costs far more to fix than the battery itself.
- Your iPhone's battery health percentage, visible in Settings > Battery > Battery Health & Charging, tells you whether replacement is actually necessary.
What your iPhone's battery health percentage means
Before you decide to replace the battery, check whether it actually needs replacing. Open Settings, tap Battery, then Battery Health & Charging. You will see a percentage labeled "Maximum Capacity"—this is how much charge your battery holds compared to when it was new.
Apple considers a battery degraded when it drops below 80 percent maximum capacity. At that point, your phone may drain faster, shut down unexpectedly under load, or struggle to run demanding apps. If your battery is at 85 percent, you may not notice a real difference in daily use. If it is at 60 percent, replacement will make a noticeable difference. Check this number before you spend time or money on a replacement.
Replacing the battery yourself: what you actually need
If you decide to do it yourself, you will need a heat gun or hair dryer, a pentalobe screwdriver (the five-pointed star shape Apple uses), a plastic spudger or old credit card, tweezers, and a replacement battery. You can buy a kit online that includes most of these tools plus the battery for $30 to $50. iFixit and other repair sites sell kits specific to your iPhone model.
The process takes 30 minutes to two hours depending on your experience. You heat the edges of the phone to soften the adhesive, carefully pry open the screen, disconnect the battery connector, remove the old battery, clean off old adhesive, install the new battery, reconnect it, and seal the phone back up. If your screen cracks during opening, you have now spent an extra $200 to $400 on a screen replacement. If you sever a ribbon cable, the phone may not turn on again.
Your warranty will be void after you open the phone. If something goes wrong during the repair or shortly after, Apple will not cover it. Some independent shops will warranty their work, but a self-repair has no safety net.
Taking your iPhone to Apple or an Apple Authorized Service Provider
Apple replaces batteries at its retail stores and through mail-in service. The cost is $69 to $99 depending on your model, plus the battery itself (usually included in that price). The repair takes one to three business days in-store or five to seven days by mail. Your warranty remains valid, and Apple guarantees the work.
An Apple Authorized Service Provider is an independent business certified by Apple to do repairs using genuine parts. You can find one near you by visiting Apple's support page and entering your zip code. Costs are the same as Apple's, and your warranty is still protected. Turnaround time varies by location but is often faster than Apple's mail-in service.
Independent repair shops: lower cost, less certainty
Independent repair shops—the ones you find on Google Maps or Yelp—typically charge $40 to $80 total for battery replacement, sometimes less. They are often faster than Apple, sometimes same-day. The trade-off is that they may use non-genuine batteries, which can have shorter lifespans or lower capacity than Apple's original parts. They may also offer a limited warranty on the work itself (usually 30 to 90 days) but not on the battery.
Before you choose an independent shop, read recent reviews and ask whether they use genuine or third-party batteries. A shop that is transparent about parts and offers at least a 30-day warranty on the repair is a safer bet than one that will not answer the question. If the battery fails after three months, you may have no recourse.
What happens if you ignore a degraded battery
A battery at 60 percent capacity will not suddenly fail, but it will behave unpredictably. Your phone may shut down at 20 percent battery remaining instead of 1 percent, because the battery cannot deliver the power the phone is asking for. This is called unexpected shutdown, and it is Apple's way of protecting the phone's internal components from damage.
Over time, a degraded battery also charges more slowly and holds a charge for fewer hours. You may find yourself plugging in your phone multiple times a day. The battery itself will not explode or catch fire—modern phone batteries have safety circuits—but it will become increasingly inconvenient to use.
If you plan to keep your iPhone for another year or two, replacing the battery extends its useful life significantly. If you are planning to upgrade to a new phone within six months, replacement may not be worth the cost.
Comparing your options side by side
| Option | Total Cost | Time | Warranty | Risk |
|---|---|---|---|---|
| Self-replacement | $30–$50 | 30 min–2 hours | None | Screen crack, cable damage, water damage |
| Apple or Authorized Provider | $69–$99 | 1–7 days | Full warranty | None |
| Independent repair shop | $40–$80 | Same day–2 days | 30–90 days on repair | Non-genuine battery, limited recourse |
Frequently Asked Questions
Will replacing the battery fix my iPhone if it keeps shutting down?
Probably, if the battery health is below 80 percent. Unexpected shutdowns are usually a sign of battery degradation. Check your battery health first—if it is above 80 percent, the shutdowns may be caused by something else, like a full storage drive or a problematic app, and a battery replacement will not help.
Can I use a non-Apple battery if I go to an independent shop?
Yes, many independent shops use third-party batteries to keep costs down. They work, but they may not last as long as genuine Apple batteries and often have lower maximum capacity. Ask the shop before you commit, and ask what warranty they offer on the battery itself.
Does Apple replace batteries for free if my phone is under warranty?
Only if the battery is defective—meaning it is degrading faster than normal for its age. If your phone is less than one year old and the battery is already below 80 percent, Apple will replace it at no cost. If your phone is older or the battery degradation is normal for its age, you will pay the standard service fee.
What should I do if I started a self-replacement and damaged something?
Stop and take the phone to Apple or an independent shop. Tell them exactly what happened. If the damage is minor (a loose cable, a small crack), they can usually fix it. If the damage is severe, they will tell you upfront what the repair will cost. Do not try to fix it further yourself.
Is it safe to use my iPhone while the battery is degraded?
Yes. A degraded battery will not catch fire or explode. It will just drain faster and shut down unexpectedly. The phone itself is not at risk. Your data is safe. The only inconvenience is that you will need to charge more often and may lose work if the phone shuts down during use.