• 24-Pack CR2016 Panasonic 3 Volt Lithium Coin Cell Batteries (12 Cards of 2)

    24-Pack CR2016 Panasonic 3 Volt Lithium Coin Cell Batteries (12 Cards of 2)

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  • 24-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries (12 Boxes of 2)

    24-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries (12 Boxes of 2)

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  • 24-Pack Rayovac A23 12 Volt Alkaline Batteries (12 Cards of 2)

    24-Pack Rayovac A23 12 Volt Alkaline Batteries (12 Cards of 2)

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  • 25-Pack CR1225 Renata 3 Volt Lithium Coin Cell Batteries

    25-Pack CR1225 Renata 3 Volt Lithium Coin Cell Batteries

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  • 25-Pack CR1632 Panasonic 3 Volt Lithium Coin Cell Batteries

    25-Pack CR1632 Panasonic 3 Volt Lithium Coin Cell Batteries

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  • 25-Pack CR2016 Renata 3 Volt Lithium Coin Cell Batteries

    25-Pack CR2016 Renata 3 Volt Lithium Coin Cell Batteries

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  • 3-Pack 18650 M26 3.6 Volt Lithium Ion Batteries with Tabs (2600 mAh)

    3-Pack 18650 M26 3.6 Volt Lithium Ion Batteries with Tabs (2600 mAh)

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  • 3-Pack 9.6 Volt AA NiCd Battery Pack (850 mAh) with Tamiya Connector

    3-Pack 9.6 Volt AA NiCd Battery Pack (850 mAh) with Tamiya Connector

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  • 6-Pack 3.2 Volt LiFePO4 18650 1200 mAh Button Top Batteries

    6-Pack 3.2 Volt LiFePO4 18650 1200 mAh Button Top Batteries

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  • 6-Pack 3.7 Volt AA 14500 Lithium Ion Button Top Batteries (800 mAh) with PCB Protection

    6-Pack 3.7 Volt AA 14500 Lithium Ion Button Top Batteries (800 mAh) with PCB Protection

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  • 6-Pack 379 / SR521SW Energizer Silver Oxide Button Batteries

    6-Pack 379 / SR521SW Energizer Silver Oxide Button Batteries

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  • 6-Pack Panasonic CR2477/F2N 3V Lithium Coin Cell Battery w/tabs

    6-Pack Panasonic CR2477/F2N 3V Lithium Coin Cell Battery w/tabs

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  • 72-Pack AA Camelion Plus Alkaline Batteries (12 Cards of 6)

    72-Pack AA Camelion Plus Alkaline Batteries (12 Cards of 6)

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  • 8 x AA (L91) & 9 Volt Energizer Ultimate Lithium Batteries

    8 x AA (L91) & 9 Volt Energizer Ultimate Lithium Batteries

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  • 8-Pack AAA NiMH Panasonic Eneloop Pro Rechargeable Batteries (Bulk)

    8-Pack AAA NiMH Panasonic Eneloop Pro Rechargeable Batteries (Bulk)

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  • Dewalt 12 Volt 3000 mAh NiMH Replacement Battery

    Dewalt 12 Volt 3000 mAh NiMH Replacement Battery

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  • Dewalt 14.4 Volt 3000 mAh Li-ion Replacement Battery

    Dewalt 14.4 Volt 3000 mAh Li-ion Replacement Battery

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  • Dewalt 18 Volt 3000 mAh NiMH Replacement Battery

    Dewalt 18 Volt 3000 mAh NiMH Replacement Battery

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  • Dyson V7 21.6 Volt 2500mAh Li-Ion DYS-V7-LI25 Replacement Battery Pack

    Dyson V7 21.6 Volt 2500mAh Li-Ion DYS-V7-LI25 Replacement Battery Pack

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Mastering Battery Sizes

 

In the world of batteries, size does matter. The correct battery size ensures your device functions optimally, and at Only Batteries, we cater to every possible need with an extensive range of battery sizes. 

 

Understanding Battery Sizes

Battery size determines the compatibility with different devices, ranging from tiny hearing aids to large automotive applications. Different sizes also mean different voltages and capacities, affecting how long they can power your device.

 

Key Battery Sizes and Their Applications

AAA Batteries: Common in remote controls and small electronic devices.
AA Batteries: Used in a variety of household devices, from wall clocks to digital cameras.
C and D Batteries: Ideal for high-drain applications like toys and portable music systems.
9 Volt: Crucial for smoke detectors and emergency equipment.
Button Cells: Used in watches, calculators, and hearing aids.
Specialty Sizes: Such as 18650 for high-end flashlights and vape devices.


Popular Products Across Different Sizes

Duracell Coppertop AA: Known for its long-lasting power and reliability.
Energizer AAA Lithium: Best for devices requiring high energy output.
Panasonic Eneloop C and D adapters: Rechargeable solutions for high-drain needs.
Rayovac 9 Volt: Preferred for smoke alarms and professional equipment.
Renata CR2032: Reliable button cell for watches and medical devices.


Choosing the Right Size for Your Needs

Selecting the right battery size is crucial. Consider the device's power requirements, the expected duration of use, and whether the battery needs to be rechargeable. Our detailed product descriptions and specifications will help guide your choice, ensuring you pick the perfect match for your device's demands.

 

At Only Batteries, our diverse selection of battery sizes ensures that no matter your device, we have the power solution for you. From daily necessities to specialized equipment, our batteries provide the efficiency and longevity your devices need. Explore our full range of battery sizes and find the perfect fit for your electronic devices. Experience the power of choice at Only Batteries, and never run out of the energy you need!