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Small Batteries

Powering your key fob, toy, headset or other electronic device may require small batteries. If you're looking for ones that are durable and have a great shelf life, we've got you covered. Browse the top-ranked list of small batteries below along with associated reviews and opinions.

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

    SKU: J78676GJ2H

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

    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 $6.49
  2. 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
  3. Energizer - A23 Batteries (1 Pack), Miniature Alkaline Small Batteries

    SKU: J78676GJ2Y

    Energizer is the best battery. They last a long time. They always fit exactly what I need....Great Product

    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 - 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
  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. HQRP - 5-Pack ER14250 1/2AA 3.6 V Lithium Thionyl Chloride Battery with Tabs - Replaces LS14250

    SKU: J3ZSL26L3H

    Product Description

    A five-pack of 3.6V non-rechargeable lithium thionyl chloride batteries with tabs provides 1200mAh backup power.
    See all Lithium Batteries
    Your price for this item is $22.40
  7. HQRP - 5-Pack ER14250 1/2AA 3.6 V Lithium Batteries with Tabs for Dog Collar, Security System, Meters, Sensors

    SKU: J3ZSL26L3Y

    Product Description

    A five-pack of 3.6V lithium batteries with tabs provides reliable power for sensors and security systems.
    See all Lithium Batteries
    Your price for this item is $22.40
  8. Energizer - 2016 Batteries (2 Pack), 3V Lithium Coin Batteries

    SKU: J78676CC6W

    i love best buy i always like to shop in bestbuy 143...The best price on these batteries great price great value

    Product Description

    A reliable pair of silver 3V lithium coin batteries offering long-lasting power for key fobs and devices.
    See all Lithium Batteries
    Your price for this item is $7.19
  9. 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
  10. HQRP - 5-Pack ER14250 1/2AA 3.6 V Lithium Thionyl Chloride Battery with Tabs for Dog Collar, Sensors

    SKU: J3ZSL26L3C

    Product Description

    A five-pack of 3.6V non-rechargeable lithium thionyl chloride batteries with tabs, delivering dependable 1200mAh power.
    See all Lithium Batteries
    Your price for this item is $22.40

FAQ

Small batteries are commonly used in devices such as watches, hearing aids, calculators, remote controls, key fobs, medical devices, and some toys.

You can usually find the compatible battery type listed in your device's user manual or printed inside the battery compartment. Many devices also have the battery type printed on the old battery itself.

Yes, small batteries are available in various chemistries, including alkaline, lithium, silver oxide, and zinc-air. The best choice depends on your device's requirements and usage patterns.

Not all devices are compatible with rechargeable small batteries. It's important to check your device's specifications to determine if rechargeable batteries are suitable.

Used small batteries should be recycled properly. Many local recycling centers and retail stores, including Best Buy, offer battery recycling programs to help you dispose of them in an environmentally friendly way.