Yes, Apple Watch batteries can be replaced, but Apple does it, not you
Your Apple Watch battery can be replaced, but you cannot do it yourself safely. Apple replaces batteries at their Genius Bar locations and through mail-in service. The process involves opening the watch case, disconnecting the battery, and installing a new one—work that requires specialized tools and training to avoid damaging the screen, case, or internal components.
Third-party repair shops also offer battery replacement, often faster and cheaper than Apple, but this voids your warranty and may damage water resistance. If your watch is still under warranty or covered by AppleCare+, Apple's service is usually your best option.
Key Takeaways
- Apple Watch batteries degrade over time and eventually need replacement, typically after two to three years of regular use.
- Apple replaces batteries at Genius Bar locations or through mail-in service, with costs ranging from $70 to $100 depending on your watch model.
- AppleCare+ covers battery replacement if your battery holds less than 80 percent of its original capacity, with no additional cost beyond your plan.
- Third-party repair shops can replace batteries faster and cheaper, but this voids your warranty and may compromise water resistance.
- Opening an Apple Watch yourself to replace the battery risks breaking the screen, case, or internal connections and is not recommended.
How to know if your Apple Watch battery needs replacement
Your Apple Watch battery degrades gradually. After two to three years of daily charging, most batteries hold significantly less charge than they did new. You will notice your watch draining faster, shutting down at 20 percent battery, or not lasting a full day on a single charge.
To check your battery health, open the Settings app on your watch, go to Battery, and tap Battery Health. This shows the maximum capacity your battery can hold now compared to when it was new. If it reads below 80 percent, the battery is degraded. Apple considers a battery defective if it drops below 80 percent while still under warranty.
If your watch is older than two years and the battery drains noticeably faster than it used to, replacement is likely the solution. Closing background apps or reducing screen brightness can help temporarily, but a worn battery will not recover.
Getting your battery replaced at Apple
You have two routes: visit an Apple Store in person or mail your watch to Apple. At an Apple Store, make a Genius Bar appointment through the Apple Support app or by calling the store directly. Bring your watch and be ready to describe the battery issue. The technician will confirm the battery health and discuss your options.
If no Apple Store is near you, you can start a mail-in repair through apple.com/support. Select your device, describe the battery issue, and Apple will email you a prepaid shipping label. Send your watch to the repair center, and they will replace the battery and return it to you. Mail-in service typically takes one to two weeks total, including shipping time.
Battery replacement at Apple costs between $70 and $100 depending on your watch model. If you have AppleCare+, the service is covered at no additional cost as long as the battery health is below 80 percent. Without AppleCare+, you pay the full service fee.
What AppleCare+ covers for battery replacement
AppleCare+ is Apple's extended protection plan for watches. It covers battery replacement if your battery capacity drops below 80 percent, with no deductible or additional charge. You straightforward take your watch to a Genius Bar or start a mail-in repair, and the battery replacement is included.
AppleCare+ also covers accidental damage (like a cracked screen or water damage) with a deductible, and extends your coverage to two years from the date you buy the plan. If you did not purchase AppleCare+ when you bought your watch, you can add it within 60 days of purchase. After that window closes, you cannot add it.
If you do not have AppleCare+ and your battery is degraded, you still pay the standard service fee for replacement. The cost is usually less than buying a new watch, especially if your current watch is only two or three years old.
Third-party repair shops and what to expect
Independent repair shops and electronics retailers like Best Buy's Geek Squad also replace Apple Watch batteries. These services are often faster (sometimes same-day) and cheaper (often $40 to $60) than Apple's service. However, opening your watch at a third-party shop voids your Apple warranty and may damage the water resistance seal.
If you choose a third-party shop, ask whether they use genuine Apple batteries or third-party replacements. Genuine batteries last longer and perform better, but cost more. Also ask about their warranty on the repair work itself—reputable shops may provide their work for 30 to 90 days.
Third-party repair is a reasonable choice if your watch is out of warranty, you need the battery replaced quickly, and you are comfortable with the trade-off of losing Apple's warranty protection. If your watch is still under warranty or you have AppleCare+, using Apple's service protects your coverage.
Why you should not open your Apple Watch yourself
Apple Watch cases are sealed with adhesive and require specialized tools to open safely. The battery itself is glued down and connected with a tiny ribbon cable that breaks easily. If you pry open the case without the right tools, you will likely crack the screen or damage the case frame, which costs more to repair than the battery replacement itself.
Even if you manage to remove the old battery, reinstalling a new one requires resealing the case with the correct adhesive to restore water resistance. A poorly sealed watch will fail if it gets wet. The labor and tools required make DIY battery replacement impractical for most people.
If you are handy and want to try, replacement kits are sold online with batteries and adhesive, but they come with real risk. Unless you have experience with small electronics repair, the cost of fixing mistakes usually exceeds what you would have paid Apple or a repair shop.
How long a replacement battery lasts
A new battery installed by Apple or a reputable third-party shop will last two to three years under normal use, the same lifespan as the original. Battery life depends on how often you charge your watch, which apps you run, and how bright you keep the screen. Heavy users who run fitness tracking all day may see shorter battery life than casual users.
After replacement, your watch will charge fully again and hold that charge for a full day or more, just like it did when new. The battery will degrade at the same rate as before, so you may need another replacement in two to three years if you keep the watch that long.
Frequently Asked Questions
How much does Apple charge to replace an Apple Watch battery?
Apple charges between $70 and $100 for battery replacement depending on your watch model. Series 3 and older models are typically on the lower end, while newer models cost more. If you have AppleCare+, the replacement is covered at no additional cost.
Can I replace my Apple Watch battery myself?
You can attempt it with a kit from online retailers, but it is risky. The case is sealed with adhesive, the battery is glued down, and the ribbon cable breaks easily. Most people damage the screen or case in the process, which costs more to fix than paying for professional replacement.
How long does it take to get a battery replacement?
At an Apple Store, battery replacement usually takes the same day or within a few days. Mail-in service takes one to two weeks total, including shipping. Third-party shops often complete the work same-day or within 24 hours.
Does replacing the battery void my warranty?
No, if Apple replaces the battery. Your warranty remains valid. If a third-party shop replaces it, your Apple warranty is voided, though the shop may offer their own warranty on the repair work.
What should I do if my Apple Watch battery drains too fast?
First, check your battery health in Settings > Battery > Battery Health. If it is below 80 percent, replacement is the solution. If it is above 80 percent, try closing background apps, reducing screen brightness, or disabling always-on display. If the battery still drains unusually fast, contact Apple to rule out a software issue.