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Clock Batteries

Clock batteries are the power source for wall clocks and alarm clocks. They are available in different sizes, voltages, and chemistries. When replacing the battery in a clock it is important to use the correct battery. Browse the top-ranked list of clock batteries below along with associated reviews and opinions. 

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

    SKU: J78676CC93

    My computer needed a clock battery and this was just what I needed. Energizer has a great reputation so I wanted one that would last....Just what I needed for my computer's clock...I used for car key...

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

    SKU: J78676G7P9

    A battery for the clock my brother made....The clock went back to telling time as soon as the battery was inserted....Works well in clock...I use it in a clock. It seems to last 1 year before needing...

    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 - 2032 Batteries (6 Pack), 3V Lithium Coin Batteries

    SKU: J78676C9HZ

    Worked for clock power and other battery uses every day

    Product Description

    A pack of six silver 3V lithium coin batteries offering reliable, long-lasting power in extreme temperatures.
    See all Lithium Batteries
    Your price for this item is $5.99
    Save $9
    The previous price was $14.99
  4. Energizer - 2025 Batteries (2 Pack), 3V Lithium Coin Batteries

    SKU: J78676CC6S

    Pack 2025 lithium battery not only last longer but is a convenient 2 pack size. We own several wall clocks , calculators and a few toys that all take this size battery and with the energizer lithium...

    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
  5. Energizer - 1632 Lithium Coin Battery, 1 Pack

    SKU: J78676CH6S

    Needed replacement battery for clock

    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 $3.49
    Save $2
    The previous price was $5.99
  6. Energizer - 2016 Batteries (2 Pack), 3V Lithium Coin Batteries

    SKU: J78676CC6W

    Needed for bedside travel clock. Thanks. Good price too.

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

    SKU: J78676GCY3

    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
  8. HQRP - CMOS RTC BIOS Battery for Toshiba Satellite 320CDT 325CDS 330CDS 330CDT 4000CDS 4000CDT 4005CDS 4005CDT 4010CDS 2670DVD

    SKU: J3ZSL2GSSQ

    Product Description

    A rechargeable 2.4V Ni-MH battery that preserves BIOS settings and clock data in compatible Toshiba laptops.
    See all All Batteries & Power
    Your price for this item is $14.40
  9. Energizer - A23 Batteries (2 Pack), Miniature Alkaline Small Batteries

    SKU: J78676GJ2H

    Great for devises toothbrush, radios, toys, clocks, remotes, keyboards, etc.......I had a table clock in my guest bedroom that had stopped ticking.

    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 $3.49
    Save $3
    The previous price was $6.49
  10. RomeTech - RTC CMOS Battery for Acer Aspire X1300 Desktop 2 Pack

    SKU: J27YVK9Y7P

    Product Description

    A reliable lithium-ion CR2032 CMOS battery pack with overcharge protection for desktops and compatible devices.
    See all All Batteries & Power
    Your price for this item is $15.99
    Save $4
    The previous price was $19.99

FAQ

Clock batteries are most commonly used in wall clocks, desk clocks, alarm clocks, and some timers. They can also be found in certain kitchen appliances and small electronic devices that require low power for continuous operation.

You can usually find the required battery type printed inside the battery compartment or in the user manual of your clock. Common types include AA, AAA, C, or button cell batteries such as LR44 or CR2032.

Major brands like Energizer, Duracell, and Panasonic are popular choices for clock batteries due to their reliability and long-lasting performance. Many clocks are compatible with both branded and generic batteries.

While some clocks can operate with rechargeable batteries, it's important to note that rechargeables typically have a slightly lower voltage than standard alkaline batteries, which may affect performance or battery life in certain clocks.

Store spare clock batteries in a cool, dry place away from direct sunlight and extreme temperatures. Keeping them in their original packaging until use helps prevent accidental discharge or corrosion.