• Blue Sleeve 18500 3.7V lithium ion rechargeable battery flat ends

    4/3 A 3.7 Volt Lithium Ion 18500 Battery (1600 mAh)

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  • Power Portable 9 Volt NiCd rechargeable battery PP9V120 front view

    9 Volt NiCd Battery (120 mAh)

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  • Energizer AZ10 Zinc Air Hearing Aid Batteries 8 Pack front packaging

    Energizer AZ10 Zinc Air Hearing Aid Batteries (8 Pack)

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  • LIR2025 3.6 Volt Lithium Ion Button Battery

    LIR2025 3.6 Volt Lithium Ion Button Battery

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  • LIR2032 3.6 Volt Lithium Ion Button Battery

    LIR2032 3.6 Volt Lithium Ion Button Battery

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  • LS14250 (ER14250) Saft 3.6 Volt 1/2 AA Lithium Battery (1200 mAh) with Axial Terminals Wholesale & direct to consumer

    LS14250 (ER14250) Saft 3.6 Volt 1/2 AA Lithium Battery (1200 mAh) with Axial Terminals

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  • Saft LS14250 3.6V Lithium Battery w/ Solder pins Wholesale & direct to consumer

    Saft LS14250 3.6V Lithium Battery w/ Solder pins

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  • Varta CR2/3AA 3V lithium battery front view

    Varta CR2/3AA 3 Volt Lithium 2/3 AA Battery

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  • AAA Energizer MAX E92CP10 Alkaline Batteries (10 Pack)

    AAA Energizer MAX E92CP10 Alkaline Batteries (10 Pack)

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  • LR41 / AG3 Enerstar Alkaline Button Batteries (5 Card)

    LR41 / AG3 Enerstar Alkaline Button Batteries (5 Card)

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  • 7/5 AA 3.7 Volt Lithium Ion 14650 Battery (920 mAh) 7/5 AA 3.7 Volt Lithium Ion 14650 Battery (920 mAh)

    7/5 AA 3.7 Volt Lithium Ion 14650 Battery (920 mAh)

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  • Tadiran TL-5104/S 3.6V AA 2.1 Ah Lithium Battery (ER14505) Wholesale & direct to consumer

    Tadiran TL-5104/S 3.6V AA 2.1 Ah Lithium Battery (ER14505)

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  • Tadiran TL-5902/S 3.6V 1/2 AA lithium battery ER14250 button top

    Tadiran TL-5902/S 3.6V 1/2 AA 1.2 Ah Lithium Battery (ER14250)

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  • 21/23 Duracell 12 Volt Alkaline Battery (2 Card)

    21/23 Duracell 12 Volt Alkaline Battery (2 Card)

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  • 5-Pack 379 (SR63) Silver Oxide Button Batteries

    5-Pack 379 (SR63) Silver Oxide Button Batteries

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  • 9 Volt Powerizer NiMH Battery (200 mAh)

    9 Volt Powerizer NiMH Battery (200 mAh)

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  • CR2016 Panasonic 3 Volt Lithium Coin Cell Batteries (4 Card)

    CR2016 Panasonic 3 Volt Lithium Coin Cell Batteries (4 Card)

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  • CR2016 Panasonic 3 Volt Lithium Coin Cell Batteries (4 on a Card)

    CR2016 Panasonic 3 Volt Lithium Coin Cell Batteries (4 on a Card)

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  • CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries (4  Card)

    CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries (4 Card)

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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!