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Batteries For Key Fobs

Key fobs are great for locking and unlocking your car, but what happens when they lose their charge? If you have a bunch of key fobs, it can be annoying to keep track of which one needs to be charged. So we rounded up a few of our favorite key fob chargers that will keep your keys ready to go.

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  1. Energizer - 2032 Batteries (2 Pack), 3V Lithium Coin Batteries

    SKU: J78676CC93

    love doing business with best buy, bought online and picked up curbside, no problems...Love energize batteries, always last long and Best Buy price match....best buy great for all purchases...Love the...

    Product Description

    A reliable pair of silver 3V lithium coin batteries designed for long-lasting power in various devices.
    See all Lithium Batteries
    Your price for this item is $3.99
    Save $3
    The previous price was $7.19

  2. Energizer - 2032 Batteries (4 Pack), 3V Lithium Coin Batteries

    SKU: J78676G9QV

    Great price...Love Best Buy and always has a good deal going on something. Batteries work great and fair price....Best...This item is great my whole family love it. Thanks

    Product Description

    A pack of four silver 3V lithium coin batteries offering reliable, long-lasting power in extreme temperatures.
    See all Lithium Batteries
    Your price for this item is $6.49
    Save $3
    The previous price was $9.99

  3. Energizer - 1620 Lithium Coin Battery, 1 Pack

    SKU: J78676CSWW

    Great Item! I love using this product. It is the best!...Love it...This is 1 of the best purchase I have made at best buy

    Product Description

    A dependable silver lithium coin battery delivering long-lasting 3-volt power for various electronic devices.
    See all Lithium Batteries
    Your price for this item is $3.99

  4. Energizer - 377 Batteries (2 Pack), Silver Oxide Button Cell Batteries

    SKU: J78676G7P9

    I love watches and they always need batteries. Best Buy has a great assortment....Best Buy is where I purchase my batteries...Best Buy is a great and convenient place to purchase batteries

    Product Description

    A pack of two silver oxide button cell batteries delivering reliable 1.55V power for small devices.
    See all Specialty Batteries
    Your price for this item is $7.99

  5. RomeTech - Replacement Battery for Key Fob - Ford Fusion 2017-2021

    SKU: J2J5W3FWWV

    Product Description

    A high-quality lithium-ion CR2450 battery providing reliable, long-lasting power for Ford Fusion key fobs.
    See all All Batteries & Power
    Your price for this item is $12.99

  6. RomeTech - Replacement Battery for Key Fob - GMC Sierra 2022-2023

    SKU: J2J5W3VCH7

    Product Description

    A high-quality lithium-ion CR2450 battery providing reliable, long-lasting power for your 2022-2023 key fob.
    See all All Batteries & Power
    Your price for this item is $12.99

  7. RomeTech - Replacement Battery for Key Fob - Jeep Grand Cherokee 2021-2023 - 2 Pack

    SKU: J2J5W3F6J7

    Product Description

    A high-quality lithium-ion CR2450 battery pack ensuring reliable, long-lasting power for Jeep Grand Cherokee key fobs.
    See all All Batteries & Power
    Your price for this item is $15.99
    Save $4
    The previous price was $19.99

  8. RomeTech - Replacement Battery for Key Fob - Mercedes-Benz E350 2006-2012 - 2 Pack

    SKU: J2JYTJQG54

    Product Description

    A high-quality lithium-ion CR2025 battery pack providing reliable, long-lasting power for Mercedes-Benz E350 key fobs.
    See all All Batteries & Power
    Your price for this item is $15.99
    Save $4
    The previous price was $19.99

  9. RomeTech - Replacement Battery for Key Fob - Toyota RAV4 2006-2012

    SKU: J2JJHY9H3F

    Product Description

    A high-quality CR2016 lithium-ion battery providing reliable, long-lasting power for Toyota RAV4 key fobs.
    See all All Batteries & Power
    Your price for this item is $12.99

  10. RomeTech - Replacement Battery for Key Fob - Ford Fiesta 2011-2016

    SKU: J27QLF4PHJ

    Product Description

    A high-quality lithium-ion CR2032 battery providing reliable, long-lasting power for Ford Fiesta 2011-2016 key fobs.
    See all All Batteries & Power
    Your price for this item is $12.99
    Save $7
    The previous price was $19.99
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FAQ

Most key fobs use small coin cell batteries, such as CR2032, CR2025, or CR2016. The specific battery type depends on the make and model of your vehicle or device. Always check your key fob or owner's manual for the correct battery type.

Signs that your key fob battery may need replacing include reduced range, intermittent operation, or the key fob not working at all. Some vehicles may also display a dashboard warning when the battery is low.

Yes, most key fob batteries can be replaced at home with simple tools like a small screwdriver or coin to open the fob. Refer to your owner's manual or online guides for step-by-step instructions specific to your key fob.

No, different car brands and models may require different battery types for their key fobs. It's important to verify the exact battery type your key fob uses before purchasing a replacement.

On average, a key fob battery lasts between 2 to 4 years, depending on usage and environmental factors. Frequent use or exposure to extreme temperatures may shorten the battery lifespan.