Choosing the right battery size for your car key fob is essential. The correct battery ensures your key fob works smoothly every time.
Car key fobs come in different shapes and sizes, each requiring a specific battery type. Using the wrong battery can cause your key fob to stop working or drain power quickly. Common battery sizes include CR2032, CR2025, and others, each designed to fit certain car models and key fob designs.
Knowing which battery fits your key fob helps you avoid frustration and saves time. This guide highlights popular car key fob battery sizes and their compatible key fobs. It covers options for brands like BMW, Jaguar, Renault, Buick, Mercedes-Benz, Acura, Hyundai, and more. Understanding these sizes makes replacing batteries simple and hassle-free.
Popeye Car Remote Key Fob Case Shell For Bmw Series
The POPEYE 3BTN Car Remote Key Fob Case Shell is ideal for BMW owners who drive models from the 1, 3, 5, and 6 Series including E90, E91, E92, and E60. This replacement shell is perfect for those who want to protect their existing remote key or need a stylish and durable case to replace a worn-out or damaged one. If you value maintaining the original look and feel of your BMW’s key fob while ensuring its longevity, this product is for you.
Pros:
- Durable and high-quality POPEYE brand construction
- Fits perfectly with BMW 1, 3, 5, and 6 Series models (E90, E91, E92, E60)
- Lightweight design at approximately 0.22 pounds
- Authentic color matching as shown in the picture
- Easy to install and replace your old key fob shell
Cons:
- Does not include internal electronic components or battery
- Limited to specific BMW series and models only
The POPEYE 3BTN Car Remote Key Fob Case Shell is crafted to offer a seamless replacement for your BMW’s original remote key shell. Its durable construction ensures that your key fob is protected from everyday wear and tear, extending the life of your remote. The precise fit for BMW models including the E90, E91, E92, and E60 series guarantees that all buttons function correctly without any interference, maintaining the convenience of your key’s remote functions.
Additionally, the lightweight design means it won’t add unnecessary bulk to your keychain, while the authentic color finish keeps your car keys stylish and consistent with the BMW aesthetic. This product is a cost-effective solution for BMW owners wanting to refresh or protect their key fob without purchasing an entirely new remote. Easy installation allows users to replace their worn-out shells quickly and efficiently, making it a practical choice for maintaining your car’s key functionality and appearance.
Club Bollywood New Jaguar X Type S Xkr Xf Xk Remote Smart Key Fob Case
The Club Bollywood® New Jaguar X Type S Xkr Xf Xk 5 on Remote Smart Key Fob Case is ideal for Jaguar owners who want to protect and enhance the functionality of their keyless entry remote. If you own a Jaguar model such as the X Type, S, Xkr, Xf, or Xk, this smart key fob case is designed specifically to fit your remote perfectly, making it a perfect purchase for those seeking durability and style in a compact, user-friendly design.
Pros:
- Made by trusted brand CLUB BOLLYWOOD ensuring quality and compatibility
- Sleek and durable black color finish enhances the look of your key fob
- Compact dimensions (3.94 x 3.15 x 3.15 inches) for easy portability and handling
- Provides excellent protection against scratches, drops, and wear and tear
- Designed specifically for Jaguar keyless entry remotes, ensuring a perfect fit
Cons:
- Limited to specific Jaguar models, so not suitable for other vehicles
- Only includes the key fob case, no additional remote or batteries
This smart key fob case from Club Bollywood offers a tailored solution for Jaguar owners looking to keep their keyless entry remotes protected while maintaining a stylish appearance. The robust build and perfect size mean it fits comfortably in pockets or bags without adding unnecessary bulk. Its durable black exterior provides a sleek and professional look, which complements the luxury feel of Jaguar vehicles.
Additionally, the case safeguards your remote from everyday damage such as scratches and accidental drops, potentially extending the lifespan of your key fob. The precise design ensures that all buttons remain fully accessible, allowing users to operate their vehicle’s keyless entry system with ease and confidence. Overall, this case balances functionality with aesthetics, making it a practical accessory for Jaguar owners.
Perfect Shoppe Plastic And Metal 2 Button Remote Car Shell For Renault Logan Duster Verito
The PERFECT SHOPPE Plastic and Metal 2 Button Remote Car Shell/Case/Body is ideal for car owners who use Renault models such as Logan, Duster, or Verito and need a durable, stylish replacement for their worn or damaged remote key shell. This product is perfect for those looking to maintain the functionality of their centre locking or keyless entry system while giving their remote a fresh and sturdy exterior.
Pros:
- Durable combination of plastic and metal materials ensures long-lasting use.
- Compact and lightweight with precise dimensions tailored for Renault models.
- Elegant black color that complements the original remote design.
- Easy to replace and fits perfectly, maintaining the original remote’s keyless entry functionality.
Cons:
- Limited to specific Renault models, not compatible with all car brands.
- Requires careful installation to avoid damage to the internal remote components.
The PERFECT SHOPPE 2 Button Remote Car Shell offers a well-crafted solution for those who want to restore the look and feel of their car remote without having to buy a completely new key. Its compact size, measuring approximately 2.2 inches in length and 1.5 inches in width, ensures it fits comfortably in the hand and pocket. The blend of plastic and metal materials strikes a balance between lightweight convenience and robust protection.
Beyond its physical attributes, this remote shell supports the essential functions of centre locking and keyless entry, allowing users to continue enjoying seamless control over their vehicle’s locking system. The sleek black finish adds a professional and modern touch, making it an excellent replacement that doesn’t compromise on style. For Renault owners looking for a reliable, cost-effective upgrade to their remote key, this product is a smart choice.
Rome Tech Car Key Fob Cr2032 Batteries Replacement
Ideal for Buick owners looking to replace the battery in their car key fob, the Rome Tech Car Key Fob CR2032 Battery Replacement is perfect for those with models such as the Buick Lacrosse (2005-2019), Regal (2011-2017), and Verano (2012-2017). This single-pack CR2032 battery offers a reliable and compatible solution to keep your key fob functioning smoothly without the hassle of frequent replacements.
Pros:
- Compatible specifically with multiple Buick models, ensuring a perfect fit.
- Long-lasting CR2032 battery for extended key fob performance.
- Easy installation with no professional help required.
- Produced by Rome Tech, a trusted brand in battery replacements.
- Affordable price for a quality replacement battery.
Cons:
- Sold as a single pack, which might be inconvenient for those needing multiple batteries.
- Limited compatibility only with specific Buick models.
- No additional accessories or tools included for battery replacement.
The Rome Tech Car Key Fob CR2032 Battery Replacement is designed to meet the specific power needs of Buick key fobs, providing consistent energy output for smooth and reliable remote functionality. The battery’s compatibility with several Buick models means users can trust this product to maintain their key fob’s performance without worrying about fit or power issues. Its long-lasting nature reduces the frequency of replacements, saving time and effort for car owners.
Furthermore, the battery is manufactured by Rome Tech, a reputable brand known for quality and durability in electronic replacements. This ensures that users receive a product that meets high standards. The ease of installation means that even those without technical expertise can replace their car key fob battery quickly, restoring full functionality to their remote entry system without visiting a dealership or technician.
Car Key Rear Cover Replacement
The Car Key Rear Cover Replacement is ideal for owners of Benz B-Class, C-Class, and E-Class W204 models who want to maintain or restore the look and functionality of their car key fobs. If your original key fob cover is worn, damaged, or missing, this accessory provides a cost-effective and easy solution to keep your key secure and stylish. It is perfect for drivers who value preserving the condition of their vehicle accessories without purchasing an entirely new key fob.
Pros:
- Compatible with Benz B-Class, C-Class, E-Class W204 3-button key fobs
- Durable replacement cover that protects internal components
- Lightweight and compact dimensions for easy handling
- Simple installation without professional help required
- Cost-effective alternative to buying a new key fob
Cons:
- Only fits specific Benz models and key types
- Does not include the key fob battery or internal electronics
The BOXOB Car Key Rear Cover Replacement boasts precise dimensions tailored to fit the 3-button car key fob models of the Benz B-Class, C-Class, and E-Class W204 series. Its lightweight design, weighing just over 0.006 pounds, ensures it does not add bulk or interfere with pocket carry. This replacement cover not only enhances the aesthetic appeal of your key fob but also safeguards the battery and internal components from dust, moisture, and accidental damage, extending the lifespan of your key.
Installation is straightforward and does not require special tools, making it accessible even for users with minimal technical experience. By opting for this replacement cover, users avoid the high costs of replacing an entire key fob while maintaining full functionality. Additionally, the high-quality materials used by BOXOB ensure durability and long-lasting protection, providing peace of mind for everyday use.
Calandis Car Keyless Smart Remote Key Fob Case
The CALANDIS Car Keyless Smart Remote Key Fob Case 3 on for Acura Odyssey CRV is ideal for vehicle owners who want to protect and personalize their car key fobs. Specifically designed for drivers of the Acura Odyssey and Honda CRV, this smart remote key fob case is perfect for those seeking a durable, stylish, and practical solution to keep their key fobs safe from damage and wear.
Pros:
- Durable multicolour design adds a stylish touch to your key fob
- Precision fit for Acura Odyssey and CRV key fobs
- Made by trusted ROYAL LEGACY SELECTION under the CALANDIS brand
- Compact dimensions (Height: 3.94″, Width: 2.76″, Length: 5.91″) for easy handling and storage
- Protects key fob from scratches, drops, and daily wear
Cons:
- Multicolour design might not appeal to all users
- Limited compatibility restricted to specific car models
- May add slight bulk to the key fob
The CALANDIS Car Keyless Smart Remote Key Fob Case offers a perfect blend of functionality and style. Its tailored design ensures that it fits snugly on the key fobs of the Acura Odyssey and Honda CRV, providing protection without hindering access to buttons. The compact and ergonomic dimensions make it comfortable to carry in pockets or bags, preventing accidental damage from drops or scratches.
Crafted by the reputable ROYAL LEGACY SELECTION brand, this case uses quality materials that enhance durability and longevity. The vibrant multicolour finish not only adds a personalized flair but also makes it easier to locate your keys quickly. Overall, this smart remote key fob case is an excellent investment for anyone looking to extend the life of their car keys while adding a touch of style.
Enakshi® 2pcs Rubber Keyless Entry Remote Key Fob Skin Cover
The Enakshi® 2pcs Rubber Keyless Entry Remote Key Fob Skin Cover is ideal for owners of the 2014-2015 Toyota Corolla who want to protect their key fobs from daily wear and tear. This product is perfect for drivers seeking a durable and stylish cover that enhances grip and prevents damage, ensuring their keyless entry remotes stay in pristine condition.
Pros:
- Made from high-quality rubber material that offers excellent protection against scratches and drops.
- Specifically designed to fit 14-15 Corolla key fobs perfectly, ensuring a snug and secure fit.
- Dark blue color adds a sleek and modern look to your key fob.
- Easy to install and remove without damaging the original remote.
- Enhances grip, reducing the chances of accidental drops.
Cons:
- Limited to compatibility with 2014-2015 Toyota Corolla models only.
- Rubber material may attract dust and lint over time.
The Enakshi® Rubber Keyless Entry Remote Key Fob Skin Cover is crafted by the trusted Enakshi brand, known for quality automotive accessories. Its durable rubber construction safeguards your key fob from everyday damage such as scratches, drops, and general wear. The cover’s tailored design ensures a perfect fit for the 2014-2015 Corolla remote keys, which means no loose edges or slipping. Additionally, the dark blue color not only protects but also adds a subtle personalized touch to your key fob.
Beyond protection, the textured rubber surface enhances grip, making it easier to hold your keys securely, especially when your hands are wet or slippery. Installation is quick and effortless, requiring no tools or modifications, so you can switch covers or clean them whenever necessary. Overall, this key fob cover combines functionality, style, and protection, making it an excellent investment for any Corolla owner who values their vehicle’s accessories.
Rchfli Ultra-durable Graphene Key Fob Battery
The RCHFLI Ultra-Durable Graphene Key Fob Battery is ideal for car owners who need a reliable and long-lasting replacement battery for their Jeep, Chevy, or Honda key fobs. If you want an easy-to-install battery that requires no programming and ensures your key fob operates smoothly, this product is designed for you. It is perfect for those seeking convenience and durability in a compact battery solution.
Pros:
- Ultra-durable graphene technology for extended battery life
- Compatible with multiple car brands: Jeep, Chevy, and Honda
- Easy installation with no programming required
- Comes in a convenient 2-pack for added value
- Compact size with precise dimensions ensuring perfect fit
Cons:
- Limited to specific car key fob models
- May require careful handling due to small size
The RCHFLI Ultra-Durable Graphene Key Fob Battery is manufactured by NANFU and offers precise dimensions (Height: 0.125984 inches, Width: 0.7874 inches, Length: 0.7874 inches) and a lightweight design (0.021875 pounds) that ensures compatibility with various key fobs. Its advanced graphene technology significantly enhances battery life compared to conventional batteries, reducing the frequency of replacements and enhancing user convenience.
Users benefit from the effortless installation process, which eliminates the need for programming or professional assistance. This makes it an excellent choice for those who prefer a hassle-free upgrade to their vehicle’s key fob power source. Additionally, the 2-pack option provides excellent value, allowing users to have a spare battery on hand for uninterrupted key fob performance.
Car Key Rear Back Cover Replacement Accessories
The Car Key Rear Back Cover Replacement Accessories is ideal for car owners who need a durable and reliable replacement for their worn-out or damaged key fob covers. Specifically designed for those driving B-Class, C-Class, or E-Class W204 models with 3-button key fobs, this product suits individuals looking for an affordable and easy-to-install solution to maintain the functionality and appearance of their car keys.
Pros:
- Compatible with multiple Mercedes-Benz models including B-Class, C-Class, and E-Class W204.
- Comes with a screwdriver for convenient and hassle-free installation.
- Lightweight design weighing only 0.02866 pounds, making it easy to handle and carry.
- Durable black cover that protects the key fob from scratches and damage.
- Produced by the trusted brand BOXOB, ensuring quality and reliability.
Cons:
- Limited to 3-button key fob models only; not compatible with other key types.
- Does not include internal electronics or battery, only the rear back cover.
This Key Fob Battery Cover replacement offers an excellent way to restore the appearance and protection of your car key. The product’s precision fit for the Mercedes-Benz B-Class, C-Class, and E-Class W204 models ensures that your key fob maintains its original look and feel. Additionally, the inclusion of a screwdriver simplifies the process, allowing users to change the cover quickly without the need for professional help.
Made by BOXOB, a reputable manufacturer, this black rear back cover is crafted to withstand daily wear and tear. Its lightweight nature ensures it doesn’t add unnecessary bulk to your keychain while providing essential protection against drops, scratches, and moisture. Overall, this replacement accessory extends the life of your car key fob, keeping it functional and visually appealing for longer.
Kuyuansu Silicone Car Key Case Cover For Hyundai Tucson Solaris Flip Folding Remote Auto Key 4 Buttons Fob Protector
The kuyuansu Silicone Car Key Case Cover in yellow is perfect for Hyundai Tucson and Solaris owners who want to protect their flip folding remote auto key with 4 buttons. This product is ideal for individuals looking to keep their car key safe from scratches, drops, and everyday wear while adding a vibrant touch of color to their keychain. If you want a durable, lightweight, and stylish way to safeguard your car key, this case is a great choice.
Pros:
- Made of high-quality silicone material that offers excellent protection against impacts and scratches.
- Custom designed for Hyundai Tucson Solaris flip keys with 4 buttons, ensuring a perfect fit.
- Lightweight and compact with dimensions of 2.5 x 2.0 x 0.5 inches, adding minimal bulk to your key.
- Bright yellow color makes it easy to spot and adds a stylish, personalized look.
- Easy to install and remove without damaging the key.
Cons:
- Limited to specific models, so not compatible with all Hyundai keys or other brands.
- The silicone material may attract dust and lint over time, requiring occasional cleaning.
This kuyuansu Silicone Car Key Case Cover is thoughtfully designed to provide a snug fit for Hyundai Tucson and Solaris car keys, ensuring that all 4 buttons remain fully accessible and functional. The flexible silicone material not only cushions the key from accidental drops but also adds a non-slip grip, reducing the chances of losing or dropping your key. Its slim profile maintains the key’s portability, so it fits comfortably in pockets or bags without inconvenience.
Beyond protection, the vibrant yellow color offers a distinct visual appeal, making your key easy to identify among other belongings. The case’s durability means it will withstand daily use and environmental factors, prolonging the life and appearance of your key fob. Overall, this accessory is a practical and stylish solution for Hyundai owners who value both protection and personalization for their car keys.
Frequently Asked Questions
What Is The Common Battery Size For Car Key Fobs?
Most car key fobs use CR2032 or CR2025 lithium coin batteries. These are compact and provide long-lasting power for remote functions.
How Do I Identify My Car Key Fob Battery Size?
Check the battery inside your key fob or consult your car’s manual. The size is usually printed on the battery itself.
Can I Use Any Cr2032 Battery For My Car Key Fob?
Yes, but always choose high-quality brands. They ensure better performance and longer battery life in your key fob.
How Often Should I Replace My Car Key Fob Battery?
Replace the battery every 1 to 2 years or when the remote’s range decreases. Prompt replacement prevents inconvenience.
Are Replacement Key Fob Cases Compatible With Original Batteries?
Yes, replacement cases like POPEYE and CALANDIS fit standard batteries like CR2032, ensuring seamless power and function.
What Are Signs Of A Dying Car Key Fob Battery?
Signs include reduced remote range, delayed locking/unlocking response, or no response at all. Replace the battery promptly.
Conclusion
Choosing the right car key fob battery size is simple when you know what to look for. Most key fobs use common battery types like CR2032 or CR2025. Always check your car key model before buying a replacement battery or case.
Using the correct battery keeps your key fob working well and avoids unexpected problems. Whether you need a new battery for a BMW, Buick, Jeep, or Honda, picking the right size saves time and money. Small details, like battery type and case fit, matter a lot.
Keep a spare battery handy to avoid being locked out. Regularly replacing your key fob battery helps maintain smooth car access. With the right knowledge, you can easily find the perfect battery or cover for your key fob. This ensures your car remote stays reliable every day.
Simple steps make a big difference in key fob care.
