By Justin For Hyundai key fobs, the ideal battery is the CR2032, but the CR2025 can work if it fits. Most Hyundai key fobs require CR2032 batteries, which are 20mm wide and 3.2mm thick, providing 225 mAh power. The CR2025 is slimmer at 2.5mm and offers less juice at 150 mAh. Always check your fob manual for the right fit and opt for reliable brands when replacing. Plus, find easy tips for a smooth battery swap!
Key Takeaways
- Hyundai key fobs primarily use CR2032 batteries, which are 3.2mm thick for optimal performance.
- CR2025 batteries can fit in some key fobs but are thinner and may not provide sufficient power.
- Always check your key fob manual to confirm the correct battery type for compatibility.
- CR2032 batteries have a higher capacity (225 mAh) than CR2025 (150 mAh), making them better for high-drain devices.
- If your key fob's range or response decreases, it's time to replace the battery with the correct type.
Overview of Hyundai Key Fob Batteries
Hyundai key fobs use CR2032 batteries. These batteries are 20mm wide and 3.2mm thick, providing 3 volts of power. They last several years with normal use.
While CR2025 batteries can fit, they're thinner at 2.5mm and may cause issues. Always check your key fob's manual to confirm the battery type. The CR2032 is best for most Hyundai models due to its strong power.
If your key fob's range or response decreases, it's time to change the battery. Regular checks help maintain its performance.
What Is a CR2032 Battery?
A CR2032 battery is a small, round lithium coin cell. It provides 3 volts and measures 20mm in diameter and 3.2mm thick. This battery is common in items like key fobs, watches, and medical devices. It typically lasts up to 10 years when not used.
When selecting a CR2032 battery, choose trusted brands like Energizer, Duracell, or Panasonic. These companies offer reliable products.
The CR2032 has a capacity of about 220 mAh. This means it can power devices well, but check the energy needs of your specific device.
The CR2032 battery offers a capacity of approximately 220 mAh, making it suitable for various devices, but always check your device's energy requirements.
For instance, key fobs use less power compared to digital thermometers. Always verify compatibility before buying to avoid device issues.
What Is a CR2025 Battery?
A CR2025 battery is a thin, round lithium coin cell. It has a diameter of 20mm and a thickness of 2.5mm. This battery provides 3 volts of power and is commonly used in key fobs, watches, and small electronics.
The capacity of a CR2025 battery is about 150 mAh, allowing for a lifespan of 3 to 5 years with regular use. Its compact design makes it suitable for devices with limited space. The battery maintains steady voltage, making it ideal for low-power devices.
When replacing a key fob battery, ensure compatibility with your device. Using the wrong battery can cause issues.
Check your device's manual for the correct specifications.
Key Differences Between CR2032 and CR2025
CR2032 batteries are 3.2mm thick, while CR2025 batteries are 2.5mm thick. Both have a 20mm diameter and a 3-volt nominal voltage, but the thickness affects compatibility in some devices, like Hyundai key fobs.
Capacity:
- CR2032: About 225 mAh
- CR2025: About 150 mAh
CR2032 batteries last longer in high-drain devices. Meanwhile, CR2025 batteries are lighter and fit in tighter spaces.
When selecting a battery, check your device's specifications. If your device specifies one type, use that to avoid issues.
Always verify the dimensions in your device manual or battery compartment before buying.
Compatibility of CR2032 and CR2025 With Hyundai Models
CR2032 and CR2025 batteries may work in some Hyundai models. Always check your key fob's requirements.
Hyundai vehicles like Sonata, Elantra, and Tucson can use either battery type. The CR2032 is 20mm wide and 3.2mm thick, while the CR2025 is 20mm wide and 2.5mm thick. If your key fob needs a thicker battery, a CR2025 may not fit well.
For example, the Hyundai Santa Fe usually needs a CR2032. Others might accept both types.
Check your owner's manual or the battery compartment for details. Using the wrong battery can cause issues with your key fob. Always confirm the correct size for your Hyundai model.
How to Replace Your Key Fob Battery
Replace Your Hyundai Key Fob Battery
- Gather Tools: You need a small flathead screwdriver, a new battery (CR2032 or CR2025), and a clean workspace.
- Open the Key Fob: Find the seam on the key fob. Carefully insert the screwdriver to pry it open without damaging the casing.
- Remove the Old Battery: Take out the old battery, noting its orientation.
- Insert the New Battery: Place the new battery in the same orientation as the old one.
- Close the Fob: Snap the fob halves back together until they click.
- Test the Key Fob: Press the buttons to check if the new battery works.
Tips for Extending Battery Life
To extend your Hyundai key fob battery life, reduce unnecessary button presses and store it properly. Key fob batteries, like CR2032 or CR2025, can drain quickly with excessive use or extreme temperatures.
Here are three tips to maximize your key fob battery:
- Limit Usage: Only use the fob when you need to. Frequent button presses drain the battery faster.
- Store Properly: Keep the fob in a cool, dry place. Avoid leaving it in hot cars or damp areas.
- Check for Issues: Make sure the fob isn't malfunctioning or sending signals continuously. If the battery drains quickly, troubleshoot or seek help.
Following these tips helps prolong the life of your key fob battery.
Where to Buy Replacement Batteries
You can buy replacement batteries for your Hyundai key fob at automotive stores, online retailers, or Hyundai dealerships. Common battery types are CR2032 or CR2025.
Where to Buy:
- Local Automotive Stores: Often have these batteries in stock. You can pick one up during maintenance visits.
- Online Retailers: Websites like Amazon and eBay offer easy shopping, competitive prices, and fast delivery.
- Hyundai Dealerships: For genuine parts that meet factory specifications.
Tips for Shopping Online:
- Check customer reviews to ensure quality.
- Compare prices on different sites to find the best deal.
- Confirm the correct battery type for your key fob model.
- Look for bulk purchase options if you need several batteries.
People Also Ask
Can I Use Rechargeable Batteries in My Hyundai Key Fob?
You can't use rechargeable batteries in your Hyundai key fob. They typically don't provide the stable voltage needed and may cause malfunction. Stick with the recommended non-rechargeable batteries for reliable performance and longevity.
How Long Should a Key Fob Battery Last on Average?
Isn't it frustrating when your key fob dies unexpectedly? On average, a key fob battery lasts about three to four years, depending on usage and conditions. Regularly check it to avoid surprises!
Will Battery Type Affect My Key Fob's Range?
Yes, the battery type can affect your key fob's range. If you use a battery with a lower voltage or capacity, you might notice diminished performance, leading to a shorter operational distance than expected.
Can Extreme Temperatures Impact Key Fob Battery Performance?
Yes, extreme temperatures can significantly impact your key fob's battery performance. Cold conditions often reduce battery efficiency, while heat can cause quicker degradation. It's best to keep your key fob in moderate temperatures for optimal functionality.
What Symptoms Indicate a Dying Key Fob Battery?
You're about to unlock your car, but nothing happens. That's a sign! Flickering lights, reduced range, or delayed response also hint at a dying key fob battery. Don't wait; replace it before you're stuck!
Wrapping Up
Both CR2032 and CR2025 batteries work in Hyundai key fobs, but go for the CR2032 for better longevity. When your key fob stops working, it's often just a battery issue. A simple swap can bring it back to life, letting you unlock your car effortlessly again. Choose either battery, but the CR2032 is the way to go for hassle-free access to your Hyundai.