• Panasonic CR2032 3V lithium coin cell batteries in a 5-pack blister

    5-Pack CR2032 Panasonic 3 Volt Lithium Coin Cell Battery

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  • F NiCd Flat Top Battery (7000 mAh)

    F NiCd Flat Top Battery (7000 mAh)

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  • RFA-188 Rayovac PetSafe Compatible Fence & Dog Collar Lithium Battery

    RFA-188 Rayovac PetSafe Compatible Fence & Dog Collar Lithium Battery

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  • 18650 3.6 Volt 2300 mAh Li-Ion Battery - Protected (Button Top)

    18650 3.6 Volt 2300 mAh Li-Ion Battery - Protected (Button Top)

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  • Side angle of 26 AAA Energizer Max Alkaline batteries

    26-Pack AAA Energizer Max Alkaline Battery E92BW-26

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    $24.79
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  • Side profile of 32140 15Ah LiFePO4 rechargeable cell

    3.2V 32140 15Ah LiFEp04 Battery

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  • Samsung 18650 3.7V 1500mAh flat top lithium ion battery

    3.7 Volt Samsung 18650 Lithium Ion Battery (1500 mAh)

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  • 4-Pack AA Energizer Industrial Lithium (LN91 / L91) Batteries

    4-Pack AA Energizer Industrial Lithium (LN91 / L91) Batteries

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  • 5-Pack 362 / 361 /SR721SW Renata Silver Oxide Button Batteries

    5-Pack 362 / 361 /SR721SW Renata Silver Oxide Button Batteries

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  • 5-Pack 394 (SR936SW) Renata Silver Oxide Button Batteries

    5-Pack 394 (SR936SW) Renata Silver Oxide Button Batteries

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  • 5-Pack 395 / SR57 Renata Silver Oxide Button Batteries

    5-Pack 395 / SR57 Renata Silver Oxide Button Batteries

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  • 6-Pack 9 Volt Panasonic Heavy Duty Batteries (Carded)

    6-Pack 9 Volt Panasonic Heavy Duty Batteries (Carded)

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  • 6-Pack CR2032 Rayovac 3 Volt Lithium Coin Cell Batteries (3 Cards of 2)

    6-Pack CR2032 Rayovac 3 Volt Lithium Coin Cell Batteries (3 Cards of 2)

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  • Two EBL C size NiMH batteries displayed in their storage case

    C EBL 5000mAh Rechargeable Batteries (2 in a Case)

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  • Close-up of terminals on Power Portable D 10000 NiMH battery

    D 10000 NiMH Battery (Flat Top)

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  • DL-08 6 Volt Saflok A28110 / HTL11 Door Lock Alkaline Battery

    DL-08 6 Volt Saflok A28110 / HTL11 Door Lock Alkaline Battery

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  • DL-19 6 Volt Saflok Select 6 HTL6 Door Lock Alkaline Battery

    DL-19 6 Volt Saflok Select 6 HTL6 Door Lock Alkaline Battery

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  • Samsung INR21700 40T battery with tabs front view

    INR21700 40T 3.6V Samsung 4000mAh Li-ion Battery w/Tabs

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  • Molicel P28A 18650 3.6V lithium ion battery front view

    Molicel P28A 18650 3.6 Volt Lithium Ion Battery (2800mAh)

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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!