If you’re noticing your car key fob isn’t working as well as it used to – maybe you have to press the buttons multiple times to get a response – it’s likely time for a new battery. But before heading to the store, you’re probably wondering, “How Much Does A Key Fob Battery Cost?”
Key fob battery replacement is a relatively inexpensive fix, and thankfully, you won’t be shelling out hundreds of dollars for a new fob. The price varies depending on the type of battery your specific key fob requires, where you purchase it, and whether you choose to do it yourself or have a professional handle it.
Key Fob Battery Cost Breakdown
Let’s break down the cost of a key fob battery based on different scenarios:
Battery Type:
- Common Coin Batteries: The most common types of batteries found in key fobs are CR2025 and CR2032. These can range from $1 to $5 per battery at retail stores.
- Less Common Batteries: Some key fobs may use less common batteries, which may be slightly more expensive or require a trip to a specialty battery store.
Purchase Location:
- Retail Stores: Places like Walmart, Target, and auto parts stores are convenient options, but their prices might be a bit higher, ranging from $4 to $10 for a pack.
- Online Retailers: Amazon and eBay often have competitive prices on multi-packs of batteries, potentially saving you money in the long run. Expect to pay between $6 to $15 for a pack of multiple batteries.
- Specialty Battery Stores: These stores offer a wider variety of batteries if you need a less common type. Prices will vary depending on the battery.
DIY vs. Professional Replacement:
- Do It Yourself (DIY): Replacing a key fob battery is often a simple task that you can do yourself at home, saving you any labor costs.
- Professional Replacement: Dealerships and auto locksmiths will charge a fee for battery replacement, which could range from $10 to $30 or more, depending on their pricing and the complexity of your key fob.
Factors Affecting Key Fob Battery Life
Several factors can affect the lifespan of your key fob battery, including:
- Frequency of Use: The more you use your key fob, the faster the battery will drain.
- Signal Strength: If your car is parked further away, the key fob has to work harder to transmit the signal, consuming more battery power.
- Temperature: Extreme temperatures, both hot and cold, can impact battery performance and lifespan.
Extending the Life of Your Key Fob Battery
While key fob batteries don’t last forever, here are a few tips to help extend their lifespan:
- Keep it Away from Extreme Temperatures: Don’t leave your key fob in direct sunlight or extreme cold for extended periods.
- Avoid Unnecessary Button Pressing: Only press the buttons when needed to avoid draining the battery prematurely.
- Replace the Battery Promptly: Don’t wait until the battery is completely dead to replace it. You’ll avoid the inconvenience of a non-responsive key fob.
Recognizing a Dying Key Fob Battery
Here are some telltale signs that your key fob battery is nearing its end:
- Decreased Range: You have to be closer to your car for the key fob to work.
- Intermittent Functioning: The key fob works sometimes but not others, or you have to press the buttons multiple times.
- Warning Light: Some cars display a warning light on the dashboard indicating a low key fob battery.
Conclusion
Replacing a key fob battery is a minor expense that’s essential for the convenience and functionality of your car’s keyless entry system. Understanding the factors that influence cost and knowing how to extend the life of your battery can help you make informed decisions about this small but crucial car maintenance task. If you’re unsure about replacing the battery yourself, consult your owner’s manual or seek professional assistance.
FAQs
1. How often should I replace my key fob battery?
Most key fob batteries last between 3 to 5 years, but it’s always a good idea to consult your owner’s manual for specific recommendations for your vehicle model.
2. Can I use any battery in my key fob?
No, you should always use the specific battery type recommended in your key fob or car owner’s manual. Using an incorrect battery can damage your key fob.
3. Will replacing the battery myself void my car’s warranty?
Replacing the key fob battery yourself will generally not void your car’s warranty. However, it’s always best to double-check your warranty terms to be certain.
4. Can a dead key fob battery prevent my car from starting?
No, even if your key fob battery is dead, you should still be able to start your car using the physical key inserted into the ignition.
5. What if I replace the battery, but my key fob still doesn’t work?
If replacing the battery doesn’t resolve the issue, there might be a problem with your key fob itself, and you may need to consult a dealership or auto locksmith.
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