• 5-Pack Panasonic BR2477A/HBN 3V Lithium Coin Cell Battery w/ Pins

    5-Pack Panasonic BR2477A/HBN 3V Lithium Coin Cell Battery w/ Pins

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  • 6 x AA (2500 mAh) + 6 x AAA (900 mAh) NiMH Duracell Rechargeable Batteries Combo

    6 x AA (2500 mAh) + 6 x AAA (900 mAh) NiMH Duracell Rechargeable Batteries Combo

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  • 6-Pack Varta V80H NiMH Button Cell Batteries

    6-Pack Varta V80H NiMH Button Cell Batteries

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  • 8-Pack CR1/3N (2L76) 3 Volt Lithium Batteries (160 mAh)

    8-Pack CR1/3N (2L76) 3 Volt Lithium Batteries (160 mAh)

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  • 12 AA + 8 AAA Camelion Lithium Battery Combo (L91 + L92 Replacement)

    12 AA + 8 AAA Camelion Lithium Battery Combo (L91 + L92 Replacement)

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  • 12-Pack AAA Panasonic 700 mAh NiMH Rechargeable Batteries

    12-Pack AAA Panasonic 700 mAh NiMH Rechargeable Batteries

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  • 24-Pack AAA NiMH 700 mAh Rechargeable Batteries

    24-Pack AAA NiMH 700 mAh Rechargeable Batteries

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  • 6-Pack Tadiran TL-2150/S 3.6V 1/2 AA 1 Ah Lithium Battery (ER14250)

    6-Pack Tadiran TL-2150/S 3.6V 1/2 AA 1 Ah Lithium Battery (ER14250)

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  • iRobot Roomba 4905 400 Series Vacuum 14.4 Volt NiMH Battery

    iRobot Roomba 4905 400 Series Vacuum 14.4 Volt NiMH Battery

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  • iRobot Roomba 500, 600, 700, 800 & 900 Series Vacuum Battery - 14.4 Volt 3.3 Ah NiMH Pack

    iRobot Roomba 500, 600, 700, 800 & 900 Series Vacuum Battery - 14.4 Volt 3.3 Ah NiMH Pack

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  • 12-Pack 364 / SR621SW Energizer Silver Oxide Button Batteries

    12-Pack 364 / SR621SW Energizer Silver Oxide Button Batteries

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  • 12-Pack Powerizer CR123A 3 Volt Lithium Batteries with Tabs

    12-Pack Powerizer CR123A 3 Volt Lithium Batteries with Tabs

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  • 3-Pack 9.6 Volt Powerex NiMH Rechargeable Batteries (230mAh) Wholesale & direct to consumer

    3-Pack 9.6 Volt Powerex NiMH Rechargeable Batteries (230mAh)

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  • 8-Pack CR2354 Panasonic 3 Volt Lithium Coin Cell Batteries

    8-Pack CR2354 Panasonic 3 Volt Lithium Coin Cell Batteries

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  • Energizer CR123A 3 Volt Lithium Batteries (CR17345) (12 Card)

    Energizer CR123A 3 Volt Lithium Batteries (CR17345) (12 Card)

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  • 48-Pack AA Energizer MAX E91BP-4 Alkaline Batteries (12 Cards of 4)

    48-Pack AA Energizer MAX E91BP-4 Alkaline Batteries (12 Cards of 4)

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  • 100-Pack AAA Panasonic Industrial Alkaline Batteries

    100-Pack AAA Panasonic Industrial Alkaline Batteries

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  • 12 Volt NiMH Battery Pack (2200 mAh) with Leads

    12 Volt NiMH Battery Pack (2200 mAh) with Leads

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  • 12-Pack 377 / 376 Duracell Silver Oxide Button Batteries

    12-Pack 377 / 376 Duracell Silver Oxide Button Batteries

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  • 24-Pack CR2 3 Volt Lithium Batteries

    24-Pack CR2 3 Volt Lithium Batteries

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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!