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Smallest Batteries

Batteries are the lifeblood of portable electronic devices. Without them, our devices would be useless hunks of plastic and metal. If you need to replace the batteries on your device and they require some of the smallest batteries available in the consumer market, maybe we can help. Browse the top-ranked list of some of the smallest batteries below along with associated reviews and opinions.

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  1. Energizer - 357/303 Batteries (1 Pack), Button Cell Batteries

    SKU: J78676G7LQ

    I love Best Buy!...I bought the wrong battery but you know what I kept it anyways because it’s Best Buy and I love Best...Great battery selection...I’m glad Best Buy had them in stock!

    Product Description

    A silver button cell battery delivering reliable, long-lasting 1.55V power for electronics and medical devices.
    See all Specialty Batteries
    Your price for this item is $4.59

  2. Energizer - A23 Batteries (2 Pack), Miniature Alkaline Small Batteries

    SKU: J78676GJ2H

    Working Great!...Working Great. Best product for best price....Best batteries, great quality, lasting performance

    Product Description

    A pack of two silver miniature alkaline batteries providing reliable 12-volt power for small electronic devices.
    See all Alkaline Batteries
    Your price for this item is $2.99
    Save $3
    The previous price was $6.49

  3. Energizer - A23 Batteries (1 Pack), Miniature Alkaline Small Batteries

    SKU: J78676GJ2Y

    Dependable and great value...They work great in remotes and small electronics. Long shelf life and no leakage issues....Great value and worth stocking up on....Great battery for small electronic devices...

    Product Description

    A reliable silver miniature alkaline battery providing long-lasting, mercury-free power for keyless entry and security devices.
    See all Alkaline Batteries
    Your price for this item is $25.44
    Save $0
    The previous price was $25.45

  4. Energizer - 357/303 Batteries (3 Pack), Button Cell Batteries

    SKU: J78676GCRT

    Wonderful people woking, super helpful, i love best buy...Best buy is the only way to shop I love this store...Great batteries

    Product Description

    A pack of three silver button cell batteries delivering reliable, mercury-free power for various electronic devices.
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    Your price for this item is $7.49
    Save $2
    The previous price was $9.59

  5. Energizer - AAAA Batteries (2 Pack), Miniature Quadruple A Batteries

    SKU: J78676JV34

    Great price...I love energizer and best buy always has s great price too!...Great Buy...Love Best Buy great knowledgeable staff friendly service and we got a deal the product is unparalleled

    Product Description

    A dependable pair of silver alkaline AAAA batteries delivering long-lasting 1.5V power for small electronics.
    See all Alkaline Batteries
    Your price for this item is $6.49
    Save $1
    The previous price was $7.49

  6. Energizer - 1632 Lithium Coin Battery, 1 Pack

    SKU: J78676CH6S

    It’s great and I know it will last....Car remote is dead so I checked the best battery and I found this at Best Buy....I know this will last years again and I love it....Best Buy has great batteries and...

    Product Description

    A reliable silver lithium coin battery delivering 3 volts of long-lasting power for various electronic devices.
    See all Lithium Batteries
    Your price for this item is $5.99

  7. Energizer - 1616 Lithium Coin Battery, 1 Pack

    SKU: J78676CSWS

    Great battery. Love how Best Buy carries batteries for everything they sell....Great...Great product and great quality. Best Buy has the best selection you need

    Product Description

    A reliable silver lithium coin battery delivering long-lasting 3-volt power for various specialty devices.
    See all Lithium Batteries
    Your price for this item is $5.49

  8. 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

  9. Energizer - 2025 Batteries (2 Pack), 3V Lithium Coin Batteries

    SKU: J78676CC6S

    Works great!...Best Buy always has what I need. Just gotta love that place!...Great purchase....I love the curbside pickup that Best Buy is providing. It's so convenient.

    Product Description

    A reliable pair of silver 3V lithium coin batteries offering long-lasting power and child-resistant packaging.
    See all Lithium Batteries
    Your price for this item is $7.19

  10. Energizer - 392 Silver Oxide Button Battery, 1 Pack

    SKU: J78676GCY3

    Great price...These work great for me. Best Buy has a great selection of watch batteries....Great selection at Best Buy for coin lithium batteries.

    Product Description

    A silver oxide button battery providing reliable, long-lasting 1.5V power for various small electronic devices.
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    Your price for this item is $5.79
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FAQ

The smallest batteries are often used in devices such as hearing aids, wristwatches, key fobs, medical devices, calculators, and small electronic toys.

Yes, small batteries come in various types including button cell, coin cell, and cylindrical formats, with chemistries such as alkaline, silver oxide, and lithium to suit different device requirements.

You can identify the correct battery by checking your device’s manual or the battery compartment for the specific battery code or model number, which is usually printed on the old battery as well.

Store unused small batteries in a cool, dry place and keep them in their original packaging or a battery organizer to prevent contact with other metals and reduce the risk of discharge.

Yes, many small batteries can be recycled. Check with your local recycling center or retail stores that offer battery recycling programs to ensure proper disposal and help protect the environment.