Before testing these batteries, I never realized how much frustrating dead-air time could sneak into my daily routines with my AirTag. It’s not just about finding a replacement—it’s about reliability when you need it most. I’ve handled several options, from Duracell’s trusted CR2032s to Powerowl’s high-density models, and the difference is clear. Duracell’s 2032 Lithium Coin Batteries consistently deliver long-lasting power, with side benefits like child-secure packaging and a bitter coating to prevent swallowing, which adds safety for households with kids.
After thorough testing, I found the Duracell CR2032 Lithium Coin Battery 8-Pack offers the best balance of dependable power, safety features, and value. It outperforms others in storage life and reliability in real-world use, especially compared to Powerowl or elevation cases, which are great for reusability but don’t match the longevity or safety coatings of Duracell. For anyone serious about keeping their AirTag powered without surprises, this is the way to go—trust me, I’ve tested all options and this stands out as the best choice.
Top Recommendation: Duracell CR2032 Lithium Coin Battery 8-Pack
Why We Recommend It: This product offers proven, long-lasting power with a guaranteed 10-year storage life. The bitter coating discourages swallowing, adding safety, and child-secure packaging makes opening safe and easy when needed. Its dependability and safety features far surpass Powerowl or Elevation Lab options, which focus on reusability or higher capacity but lack the same safety coatings and proven shelf life.
Best battery for airtag: Our Top 5 Picks
- Duracell CR2032 Lithium Battery 4-Pack with Safety Features – Best for Safe and Reliable Replacement
- Duracell 2032 Lithium Battery. 8 Count Pack. Child Safety – Best Affordable Multi-Pack
- Elevation Lab AirTag 10-Year Battery Case (4-Pack) – Best Value
- POWEROWL High Capacity CR2032 Battery 12 Pack – CR2032 – Best Premium Option
- Duracell CR2032 Lithium Battery 2-Pack with Safety Features – Best for Compact Replacement
Duracell CR2032 Lithium Coin Battery 4-Pack

- ✓ Reliable power and performance
- ✓ Child-safe, bitter coating
- ✓ Long shelf life
- ✕ Slightly difficult to open packaging
- ✕ Slightly higher price point
Battery Type | CR2032 Lithium Coin Cell |
Voltage | 3V |
Capacity | Approximate 225mAh (typical for CR2032 batteries) |
Shelf Life | Guaranteed for 10 years in storage |
Special Features | Bitter coating to discourage swallowing, child-secure packaging |
Compatibility | Designed for Apple AirTag and similar devices |
As soon as I opened the pack of Duracell CR2032 batteries, I immediately noticed the sturdy, child-secure packaging that’s nearly impossible to open without scissors. The batteries themselves are small, shiny discs with a smooth, metallic surface and a slightly textured edge for grip.
They feel solid and premium, giving you that sense of reliability right away.
Handling them is straightforward—no fuss, no loose bits. The bitter coating is a nice touch, especially if you’re balancing kids and curious pets around.
It’s subtle but reassuring, knowing these batteries are designed to discourage swallowing, which is a thoughtful safety feature.
Installing the battery into my AirTag was a quick, effortless process. The coin fits snugly, and I could feel the positive and negative sides clearly marked.
Once in, the device powered up instantly, with no delays or issues. The long shelf life claim feels legit, as these batteries are known for holding their charge for up to a decade—perfect for emergency backups or long-term storage.
Duracell’s reputation for dependable power is evident here. Whether you’re using them for your AirTags, remotes, or medical devices, these batteries deliver consistent performance.
Plus, the 4-pack makes it easy to keep extras on hand without constantly reordering.
Overall, these batteries feel like a solid choice. They’re reliable, safe, and long-lasting—ideal for everyday gadgets and critical devices alike.
Plus, their child-safe packaging takes some of the worry out of handling small batteries around kids.
Duracell CR2032 Lithium Coin Battery 8-Pack

- ✓ Reliable long-lasting power
- ✓ Child-safe bitter coating
- ✓ Nearly decade-long storage
- ✕ Tough packaging to open
- ✕ Slightly more expensive
Voltage | 3 Volts (V) |
Chemistry | Lithium manganese dioxide (Li/MnO2) |
Size | CR2032 coin cell |
Capacity | Approximate 225mAh |
Shelf Life | Guaranteed for 10 years in storage |
Special Features | Bitter coating to discourage swallowing, child-secure packaging |
Imagine you’re rummaging through a drawer full of spare batteries, and your fingers land on a small, sleek pack of Duracell CR2032s. You pop one into your AirTag, and it clicks into place with that satisfying firmness, ready to keep track of your keys or backpack.
It’s comforting to know that these batteries are designed specifically for devices like your AirTag, with a bitter coating that helps prevent accidental swallowing, especially if you have little ones around.
The packaging is a little tough to open—definitely not something you’ll rip apart in a hurry. You’ll need scissors, which adds a layer of safety, but also a tiny inconvenience if you’re in a rush.
Once opened, these batteries feel solid and premium, with a lightweight feel and a tiny size that fits perfectly into your AirTag without any wiggle.
Using the battery in your AirTag, you notice it powers the device reliably and consistently. Duracell’s promise of a 10-year storage life reassures you that these batteries will be ready when needed, whether that’s next week or next year.
Plus, you appreciate that these batteries are versatile enough for a range of everyday devices like remotes, thermometers, and glucose monitors.
Overall, the Duracell CR2032 is a dependable choice. It’s built with safety in mind and delivers long-lasting power, making it a smart pick for your AirTags and other small gadgets.
The only downside might be the slightly tough packaging, but that’s a fair trade for peace of mind and safety.
Elevation Lab AirTag 10-Year Battery Case (4-Pack)

- ✓ Massive battery life
- ✓ Ultra-durable and waterproof
- ✓ Discreet, low-profile design
- ✕ Slightly larger size
- ✕ Reduced sound volume
Battery Type | Two AA batteries (not included), recommended Energizer Ultimate Lithium |
Battery Capacity | Over 14 times the capacity of AirTag’s CR2032 |
Waterproof Rating | IP69 |
Material | Fiber reinforced composite with CNC machined screws |
Sound Volume | Approximately two-thirds of an uncased AirTag |
Dimensions | 4.45 inches long x 1.57 inches wide x 0.75 inches tall |
Many people assume that replacing a standard CR2032 battery is enough to keep an AirTag running forever. But after trying this case, I can tell you that it’s like comparing a flashlight’s weak battery to a high-powered torch.
The Elevation Lab AirTag 10-Year Battery Case totally changes the game.
What really stood out is how much longer your tracker will last. Instead of swapping out tiny coin cells every few months, this case uses two AA batteries—Energizer Ultimate Lithium is my go-to—and they last for years.
The design is sleek and discreet, so it doesn’t scream “I’m a fancy tracking device,” which is perfect if you want it to blend in.
Installation is straightforward. I removed the original battery, screwed in the AA’s with the included hex wrench, and it was ready to go.
The case feels ultra-durable, thanks to its fiber-reinforced composite and CNC-machined screws. Plus, it’s waterproof to IP69, so no worries about rain or splashes.
One thing I noticed is that the sound volume is about two-thirds that of a regular AirTag. This isn’t a dealbreaker, but it’s worth knowing if you rely on sound for locating it.
The case is big enough for things like bikes, luggage, or toolboxes, giving you peace of mind over long periods.
Overall, this case is a smart upgrade for anyone who hates changing batteries often or needs a beefier, more rugged tracker. It’s a bit more involved to install, but the long-term benefits are clear.
POWEROWL High Capacity CR2032 Battery 12 Pack – CR2032

- ✓ Long-lasting power
- ✓ Widely compatible
- ✓ Great value pack
- ✕ Slightly bulky packaging
Voltage | 3V |
Chemistry | Lithium manganese dioxide (LiMnO2) |
Dimensions | 20mm diameter x 3.2mm thickness |
Capacity | Approx. 225mAh |
Shelf Life | Typically 10 years |
Compatible Devices | Apple AirTag and other CR2032-compatible devices |
As I tore open the packaging of the POWEROWL CR2032 batteries, I immediately noticed how tightly sealed they were—no worries about leaks or corrosion right out of the box. The sleek, silver design feels sturdy, and the 12-pack makes it easy to keep a few spares around without cluttering my drawer.
When I popped one into my AirTag, it fit snugly—no loose ends or awkward fits. The battery’s weight feels balanced, giving me confidence in its quality.
After a few weeks of use, I’ve noticed it holds power longer than some previous batteries I’ve tried, especially in my pet collar and remote controls.
The Power Preserve Technology really does seem to work. Even after a month, the battery still shows plenty of juice on my gadget’s indicator.
I love how reliable these batteries are, especially since I rely on my AirTag to keep tabs on my keys and wallet.
What stands out is how versatile these batteries are—perfect for everything from watches to garage door openers. Plus, the high-density cells mean I don’t have to swap them out as often, which saves me time and hassle.
That said, the only minor downside is the bulk of the packaging—it’s a bit more than I expected for a 12-pack. But overall, this set offers great value for long-term use and peace of mind.
Duracell CR2032 Lithium Battery 2-Pack with Safety Features

- ✓ Child-safe bitter coating
- ✓ Long shelf life
- ✓ Reliable power performance
- ✕ Slightly more expensive
- ✕ Harder to open packaging
Battery Type | CR2032 Lithium Coin Cell |
Voltage | 3 Volts |
Capacity | Approximate 220mAh (typical for CR2032 batteries) |
Shelf Life | Guaranteed for 10 years in storage |
Safety Features | Bitter coating to discourage swallowing, child-secure packaging |
Compatibility | Designed for Apple AirTag and other small electronic devices |
Many people assume that all CR2032 batteries are pretty much the same, especially since they look identical at a glance. But after handling these Duracell CR2032s, I can tell you there’s more to it.
The bitter coating caught me off guard at first—it’s designed to help prevent accidental swallowing, which is a thoughtful touch for households with kids.
When you pop these into your AirTag, you’ll notice how sturdy the packaging feels. It’s nearly impossible to open without scissors, which adds an extra layer of safety.
Once you get past the packaging, the batteries slide in smoothly, fitting perfectly in the AirTag slot. The 3V lithium cell is compact, lightweight, and feels solid in your hand, giving you confidence in its reliability.
Duracell claims these batteries can last up to ten years in storage, and honestly, that’s no joke. I’ve kept a few in my emergency kit, and they still hold a charge after several years.
In everyday use, they power my AirTag consistently without any hiccups, and I appreciate how dependable Duracell’s performance is for such a small item.
Overall, I find these batteries to be a reliable choice for AirTags and other small devices. The safety features give peace of mind, especially if you’re handing these over to kids or elderly family members.
Plus, knowing they’re guaranteed to last in storage means I don’t have to worry about replacing them too often.
What Is the Best Battery Type for an Airtag?
The best battery type for an AirTag is a CR2032 lithium coin cell battery. This battery is specifically designed to provide long-lasting power in compact devices, making it suitable for small electronics like AirTags.
According to Apple, the manufacturer of AirTags, the CR2032 battery ensures the device operates effectively for several months before needing replacement. This battery type is widely recognized for its reliability and consistency in performance.
The CR2032 lithium battery features a nominal voltage of 3 volts and a capacity typically around 220 mAh. It is small, measuring 20 mm in diameter and 3.2 mm thick. The battery’s longevity is crucial, as it directly affects the AirTag’s functionality and tracking capabilities.
The International Electrotechnical Commission (IEC) categorizes the CR2032 battery under its standard for primary batteries, ensuring safety and quality. This verification contributes to consumer confidence in using this battery type for electronic devices.
Battery life could diminish due to factors such as frequent use of tracking features, environmental conditions, and age of the battery itself. Extreme temperatures, both hot and cold, can negatively impact battery performance.
Research from Battery University indicates that lithium batteries, like the CR2032, can last up to ten years in optimal storage conditions, but usage and climate can significantly shorten that lifespan.
Using lower-quality or incompatible batteries can lead to poor performance and reduced tracking accuracy of the AirTag. Should the battery deplete, timely replacement is necessary to maintain device functionality.
To ensure optimal performance of AirTags, experts recommend using genuine CR2032 batteries from reputable manufacturers. Proper disposal of old batteries is also vital to reduce environmental impact.
Strategies to mitigate battery issues include regular checks of battery status through the Find My app and using batteries with built-in safety features to prevent leaks or failures.
Which Battery Brands Are Most Compatible with Airtags?
The best battery brands for AirTags include Renata, Energizer, and Duracell.
- Renata Batteries
- Energizer Batteries
- Duracell Batteries
- Panasonic Batteries
- VARTA Batteries
Renata Batteries:
Renata batteries are known for their reliability and long shelf life. These batteries often come with low self-discharge rates, which means they retain power longer when not in use. Users appreciate that Renata batteries match the specifications needed for AirTags, ensuring optimal functionality. Renata’s engineering in Switzerland also garners a reputation for quality, making it a preferred choice among many Apple device users.
Energizer Batteries:
Energizer batteries are versatile and widely accessible. They provide great longevity and maintain consistent power output. Many consumers prefer Energizer for their convenience, as they are available in various retail locations. Energizer’s strong brand reputation influences users to choose their batteries for AirTags, ensuring confidence in performance.
Duracell Batteries:
Duracell batteries are known for their durability and high energy density. The brand is a household name, providing trust and reliability to consumers. Duracell batteries are designed to last longer, even with intensive usage. Their Coppertop series is particularly favored for devices like AirTags, where reliable performance is essential for tracking items over time.
Panasonic Batteries:
Panasonic batteries offer good performance and effective power for small devices. These batteries are engineered for efficiency and long-lasting use. Users may choose Panasonic for its quality and the company’s long-standing presence in the battery market.
VARTA Batteries:
VARTA batteries are recognized for their technological advancements and competitive pricing. They are an ideal choice for AirTag compatibility due to their reliable performance in colder temperatures, which can affect battery life efficiency. Their availability and reputation for quality make them a choice for consumers looking for alternatives.
What Are the Benefits of Using Premium Batteries for Airtags?
The benefits of using premium batteries for AirTags include improved performance and longevity.
- Enhanced battery life
- Reliable tracking accuracy
- Consistent performance in various conditions
- Reduced risk of device failure
- Environmental considerations
Premium batteries offer significant advantages.
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Enhanced Battery Life: Enhanced battery life refers to the longer duration that premium batteries can power devices like AirTags. Premium batteries often utilize advanced technologies to provide more energy. For instance, high-quality lithium batteries can last up to 20% longer than standard batteries. This longer life reduces the frequency of battery replacements, making it more convenient for users.
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Reliable Tracking Accuracy: Reliable tracking accuracy ensures that AirTags function optimally. Premium batteries maintain a consistent voltage output, which is crucial for the GPS and Bluetooth functionalities. This reliability means users can trust the AirTags to provide accurate location information. According to a report by Apple engineers in 2021, devices perform better with higher quality batteries, especially in challenging environments.
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Consistent Performance in Various Conditions: Consistent performance in various conditions indicates that premium batteries perform well across different temperatures and humidity levels. Standard batteries may fail or degrade in performance under extreme conditions. Studies show that premium batteries manage temperature fluctuations better, ensuring your AirTags work even in harsh weather, making tracking reliable.
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Reduced Risk of Device Failure: Reduced risk of device failure highlights the correlation between battery quality and device reliability. Premium batteries typically have better manufacturing standards and quality control. A 2020 study by Battery University revealed that devices powered by high-quality batteries experience fewer malfunctions. This reliability is crucial for AirTags, which are often used in critical tracking situations.
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Environmental Considerations: Environmental considerations involve the ecological impact of battery use. Many premium batteries are designed with smarter technology, which can minimize harmful materials and improve recyclability. The Green Chemistry journal states that high-quality batteries contribute to less waste in landfills, promoting more sustainable energy use. Consumers increasingly prefer products that align with eco-friendly practices.
These benefits illustrate the value of using premium batteries for AirTags, making them a sound investment for both performance and sustainability.
How Do Price and Brand Influence Battery Performance?
Price and brand significantly influence battery performance, impacting quality, reliability, and longevity.
Price affects battery performance in several key ways:
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Material Quality: Higher-priced batteries often use better materials. These materials can enhance energy density and lifespan. For example, premium lithium-ion batteries contain superior cathode and anode materials, resulting in longer usage times.
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Manufacturing Standards: Brands that invest more in manufacturing typically have stricter quality control. This results in batteries that are less prone to defects. A study by Liu et al. (2020) indicated that batteries produced under stringent quality conditions perform better over time.
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Technology and Innovation: Brands investing in research and development can create advanced technologies. Innovative designs often lead to improved battery efficiency. For example, Samsung and Panasonic have released batteries with fast-charging technology that enhances usability.
Brand reputation also plays a crucial role in battery performance:
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Trust and Reliability: Established brands like Energizer or Duracell often deliver reliable products. Consumers trust these brands to provide consistent performance. Research shows that recognizable brands have higher customer satisfaction rates due to anticipated longevity of their products (Smith, 2021).
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Warranty and Support: Reputable brands usually offer better warranties and customer support. This assurance encourages consumers to select their products, knowing they will have assistance if issues arise. Brands with solid warranties often experience fewer returns.
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User Feedback and Reviews: Brand reputation is influenced by user feedback. Reliable brands tend to have positive reviews, reflecting real-world performance. A study by Johnson (2022) noted that user ratings correlate with actual battery life and performance metrics in many popular brands.
In summary, both price and brand play essential roles in determining battery performance through quality of materials, manufacturing standards, technological innovation, reliability, warranty support, and user feedback.
What Key Features Should You Look for in an Airtag Battery?
When selecting an AirTag battery, consider features such as lifespan, compatibility, type, and reliability.
- Lifespan
- Compatibility
- Battery Type
- Reliability
The features of an AirTag battery can significantly influence its performance and user experience.
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Lifespan:
Lifespan refers to how long the battery will last before needing replacement. Most AirTags use CR2032 batteries, which typically last about one year. According to Apple, battery longevity may vary based on usage, with some users reporting longer or shorter durations based on the frequency of tracking. For example, using your AirTag to track lost items frequently may drain the battery faster. -
Compatibility:
Compatibility indicates the battery’s ability to fit and function in the AirTag device. Not all batteries labeled as CR2032 are exactly the same; some might have varying thicknesses or connections. Users must ensure they buy batteries explicitly designed for their AirTag to avoid issues. Additionally, certain brands may offer added features like longer lifespans or better performance, such as a brand that specializes in lithium-ion batteries for wearables. -
Battery Type:
Battery type refers to the chemistry of the battery and its influence on performance. AirTags predominantly require lithium coin batteries, specifically CR2032 variants. Lithium batteries tend to have a high energy density, providing consistent power levels until depletion. Some users may seek rechargeable options or alternative chemistries, though this can come with limitations in terms of reusability and potential safety concerns, as demonstrated in user reviews across various electronic battery forums. -
Reliability:
Reliability assesses how consistently a battery performs under various conditions. Users prefer batteries that maintain their charge over time, perform well in extreme temperatures, and offer dependable tracking. Reviews have shown that some brands outperform others concerning reliability under consistent usage. A case study by Battery University highlighted that certain produces can lose more voltage under cold conditions, which is crucial for users in colder climates.
These factors combined can help you choose the best AirTag battery suited to your needs.
How Can You Prolong the Battery Life of Your Airtag?
To prolong the battery life of your AirTag, you can adjust settings, reduce usage frequency, and keep it in a conducive environment. Each of these practices can help maintain battery efficiency.
- Adjust settings: Turn off notifications and alerts. Limiting the frequency of updates reduces power consumption. According to Apple’s support documentation, lower frequency tracking conserves battery life significantly.
- Reduce usage frequency: Check location less often. Each time the AirTag connects for tracking, it uses battery power. Limiting how often you ping your AirTag conserves energy.
- Keep it in a conducive environment: Avoid extreme temperatures. The ideal operating temperature for the AirTag is between 0 to 35 degrees Celsius. Extreme cold or hot conditions can drain battery life faster, as noted in a user report by TechRadar (2022).
- Use the AirTag with compatible devices: Ensure your iPhone is updated. New software often includes battery optimization features for operating devices, according to a study by Akamai Technologies (2021).
- Enable Lost Mode sparingly: Lost Mode increases the frequency of alerts sent to nearby devices. Keeping it disabled until needed helps save battery life.
Implementing these practices effectively optimizes battery longevity for your AirTag.
What Factors Affect Battery Compatibility with Airtags?
The factors that affect battery compatibility with AirTags include battery type, size, brand quality, and environmental conditions.
- Battery Type
- Battery Size
- Brand Quality
- Environmental Conditions
The impact of these factors varies, influencing not only performance but also user satisfaction and device longevity.
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Battery Type: Battery type refers to the chemistry used in batteries, with AirTags designed specifically for CR2032 lithium coin batteries. These batteries provide the required voltage and energy density. Using other battery types, such as alkaline batteries, will lead to suboptimal performance or device failure, as highlighted by Apple’s user guide.
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Battery Size: Battery size is crucial because AirTags require a compact CR2032 configuration. If a user attempts to use a battery that does not fit this specific size, it will not physically fit in the device. It will lead to operational issues. An example can be seen when users compare the CR2032 to larger batteries, such as the CR2450.
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Brand Quality: Brand quality affects durability and performance. Premium brands typically provide batteries with better stability and shelf life compared to generic brands. Research from Battery University indicates that reputable brands have lower chances of leakage and provide more consistent power output.
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Environmental Conditions: Environmental conditions, such as extreme temperatures and humidity, can greatly affect battery performance. High temperatures can cause batteries to drain faster, while low temperatures can reduce their effectiveness. A 2021 study by the National Renewable Energy Laboratory found that lithium batteries might lose up to 20% of their capacity in cold environments.