You cannot safely remove an iPhone battery yourself
iPhones are sealed devices. Apple does not design them for you to open, and the battery is glued to the inside of the case. If you try to pry it out, you will almost certainly damage the phone, crack the screen, or puncture the battery—which can cause a fire. The battery is also soldered to the logic board in some models, meaning removal requires specialized equipment.
The only safe way to replace an iPhone battery is through Apple or an authorized repair shop. This is not a DIY repair like changing the battery in a TV remote.
Key Takeaways
- iPhones are sealed and glued shut; opening one yourself risks breaking the screen, damaging internal parts, or causing a battery fire.
- Apple and Apple Authorized Service Providers can replace your battery in one to three business days, usually for $69 to $99 depending on your model.
- You can check your battery health in Settings > Battery > Battery Health & Charging to see if replacement is actually needed.
- If your phone is under warranty or covered by AppleCare+, the battery replacement may be free or discounted.
- Independent repair shops can replace batteries for less money, but they may void your warranty and the quality varies widely.
When you actually need a battery replacement
Before you arrange a replacement, check whether your battery is actually the problem. Go to Settings, then Battery, then Battery Health & Charging. You will see a percentage labeled Maximum Capacity. This tells you how much charge your battery can hold compared to when it was new.
If the number is above 80%, your battery is fine. If it is between 70% and 80%, the phone will work normally but the battery is aging. Below 70%, you may notice the phone shuts down unexpectedly or drains quickly even when you are not using it heavily. That is when replacement makes sense.
You will also see a section called Battery Health Status. If it says "Normal," you do not need to replace the battery yet. If it says "Service Recommended" or "Service Battery," Apple is telling you the battery is degraded enough that replacement will noticeably improve performance.
Getting a battery replacement at Apple
Visit apple.com/support or open the Apple Support app on your phone and select Battery and Charging. You can book a Genius Bar appointment at your nearest Apple Store, or you can mail your phone to Apple for repair. The mail-in option takes longer but works if you do not have a store nearby.
At the store, the replacement usually takes one to three hours if you wait, or you can drop it off and pick it up the next day. By mail, the whole process takes about a week. You will need your phone's passcode or Apple ID password so Apple can unlock it during repair.
The cost is typically $69 for iPhone 15 and newer, $79 for iPhone 11 through 14, and $99 for older models. If your phone is still under the one-year limited warranty, or if you have AppleCare+, the replacement may be free or cost only $0 to $29 depending on your coverage.
Using an authorized repair shop instead of Apple
Apple Authorized Service Providers are independent shops that Apple has certified to do repairs. They follow Apple's standards and use genuine parts. You can find one near you by going to apple.com/support, clicking Find Locations, and searching for "Authorized Service Provider" in your area.
Authorized shops often have shorter wait times than Apple Stores and sometimes charge slightly less. The repair still takes one to three business days. They can also handle mail-in repairs if you prefer.
The advantage over independent shops is that an authorized provider will not void your warranty. If something goes wrong with the repair, Apple will cover it. Bring the same information you would bring to Apple: your passcode or Apple ID password, and proof of purchase if the phone is still under warranty.
Independent repair shops and the trade-offs
Repair shops that are not Apple-authorized can replace your battery for $30 to $60, sometimes less. The speed is often the same—one to three days. The risk is that the quality varies. Some independent shops do excellent work; others use low-quality batteries or do not seal the phone properly afterward, which can let dust inside or cause water damage later.
An independent repair will also void your Apple warranty if the phone is still covered. If something else breaks after the repair, Apple may refuse to fix it under warranty, claiming the unauthorized repair caused the damage. This is a real risk, not a scare tactic—it happens.
If you choose an independent shop, ask whether they use genuine Apple batteries or third-party batteries. Genuine is always safer. Also ask about their warranty on the repair itself—a good shop will may provide the battery for at least a year.
What to do before you hand over your phone
Back up your data. Even though a battery replacement should not erase anything, accidents happen. Use iCloud or a computer to back up your phone before you drop it off.
Write down your Apple ID password or make sure you know it. You will need it to unlock the phone during repair, and if you forget it, the repair will be delayed while you reset it.
If your phone has a screen protector or case, remove it before you go in. The technician will need full access to the device, and a protector or case can get in the way.
Ask the shop how long the repair will take and when you can pick it up. If they say "same day," confirm whether that means a few hours or by closing time. If they say "three to five business days," ask whether that includes weekends.
Signs your battery needs replacement soon
Your phone shuts down suddenly even though the battery percentage shows 20% or higher. This is called "unexpected shutdown" and it means the battery cannot deliver power fast enough to run the phone, even though it still has charge stored.
The phone gets very hot during normal use, even when you are just browsing or texting. A degraded battery works harder and generates more heat.
The phone charges very slowly, or the battery drains noticeably faster than it used to, even when you are not running new apps or doing anything different. This usually means the battery's chemical capacity is declining.
You notice the phone is thicker or the back feels slightly swollen. This is rare but serious—a swollen battery can catch fire. Stop using the phone and take it to Apple or an authorized shop when ready. Do not try to open it yourself.
Frequently Asked Questions
Can I replace the battery myself with a kit from Amazon?
No. Those kits come with tools and a replacement battery, but opening an iPhone requires heat guns, suction cups, and knowledge of where the glue is. One wrong move cracks the screen or punctures the battery. The cost of the kit plus a broken screen repair will exceed what Apple charges. It is not worth the risk.
How long does an iPhone battery last before it needs replacing?
Apple designs iPhone batteries to retain 80% of their capacity after 500 full charge cycles. A charge cycle is one full drain from 100% to 0%, or the equivalent spread across multiple partial charges. For most people, this takes two to three years of normal use. After that, you may notice the phone drains faster or shuts down unexpectedly.
Will Apple replace the battery for free if it is defective?
If the battery fails within one year of purchase and you have not damaged the phone, yes—it is covered under the limited warranty. If the phone is older than one year, you pay the standard replacement fee. AppleCare+ covers battery replacement for free if the capacity drops below 80%, as long as your coverage is active.
What happens to my data when the battery is replaced?
Nothing. The battery replacement does not touch your storage or erase data. Your photos, messages, apps, and settings stay exactly as they are. The technician does need to unlock the phone with your Apple ID password, but that is just to access the device—it does not change anything on it.
Is it cheaper to buy a new phone than replace the battery?
Almost never. A battery replacement costs $69 to $99. A new iPhone costs $800 and up. Unless your phone is very old and has other problems, replacing the battery will extend its life for another two to three years at a fraction of the cost of a new device.