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

    7.2 Volt NiMH Battery Pack (2200 mAh) with Leads

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  • Tadiran TL-4930/S XOL Series 3.6V D 19 Ah Lithium Battery (LSH20 / LS33600) Wholesale & direct to consumer

    Tadiran TL-4930/S XOL Series 3.6V D 19 Ah Lithium Battery (LSH20 / LS33600)

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  • 16-Pack AAA NiCd 350mAh Batteries

    16-Pack AAA NiCd 350mAh Batteries

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  • Tadiran TL-5930/S 3.6V D 19 Ah Lithium Battery (LSH20 / LS33600) Wholesale & direct to consumer

    Tadiran TL-5930/S 3.6V D 19 Ah Lithium Battery (LSH20 / LS33600)

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  • 12-Pack 357 / SR44W Rayovac Silver Oxide Button Batteries

    12-Pack 357 / SR44W Rayovac Silver Oxide Button Batteries

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  • 12-Pack C Duracell MN1400B2 Alkaline Batteries (6 Cards of 2)

    12-Pack C Duracell MN1400B2 Alkaline Batteries (6 Cards of 2)

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  • 12-Pack CR2450 Rayovac 3 Volt Lithium Coin Cell Batteries

    12-Pack CR2450 Rayovac 3 Volt Lithium Coin Cell Batteries

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  • 2-Pack 3.2 Volt 32650 LiFePO4 Batteries (5000 mAh)

    2-Pack 3.2 Volt 32650 LiFePO4 Batteries (5000 mAh)

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  • 2-Pack 7.2 Volt Varta 150 mAh 6/8H NiMH Batteries (9 Volt Size)

    2-Pack 7.2 Volt Varta 150 mAh 6/8H NiMH Batteries (9 Volt Size)

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  • 25-Pack 364 / SR621SW Renata Silver Oxide Button Batteries

    25-Pack 364 / SR621SW Renata Silver Oxide Button Batteries

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  • 25-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries

    25-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries

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  • 25-Pack CR2032 Panasonic 3 Volt Lithium Coin Cell Batteries

    25-Pack CR2032 Panasonic 3 Volt Lithium Coin Cell Batteries

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  • 3-Pack 18650 3.6 Volt 2300 mAh Li-Ion Batteries - Protected (Button Top)

    3-Pack 18650 3.6 Volt 2300 mAh Li-Ion Batteries - Protected (Button Top)

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  • 6-Pack 4/5 AA 3.7 Volt Lithium Ion 14430 Batteries with Tabs (650 mAh)

    6-Pack 4/5 AA 3.7 Volt Lithium Ion 14430 Batteries with Tabs (650 mAh)

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  • 6-Pack AA 3.7 Volt Lithium Ion 14500 Batteries (750 mAh)

    6-Pack AA 3.7 Volt Lithium Ion 14500 Batteries (750 mAh)

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  • 6-Pack Sub C NiMH Batteries (3500 mAh)

    6-Pack Sub C NiMH Batteries (3500 mAh)

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  • 6-Pack Xeno XL-050FAX 3.6V 1/2 AA 1.2Ah Lithium Batteries w/ Axial Leads

    6-Pack Xeno XL-050FAX 3.6V 1/2 AA 1.2Ah Lithium Batteries w/ Axial Leads

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  • AA Duracell Optimum Powerboost Alkaline Batteries (30 Pack)

    AA Duracell Optimum Powerboost Alkaline Batteries (30 Pack)

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    $36.99
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  • AAA Panasonic Eneloop (HR55AAA / HR65AAA / HR75AAA) NiMH 800mAh Batteries (12 Card)

    AAA Panasonic Eneloop (HR55AAA / HR65AAA / HR75AAA) NiMH 800mAh Batteries (12 Card)

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    $36.99
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  • Bosch 14.4 Volt 3000 mAh Li-ion Replacement Battery

    Bosch 14.4 Volt 3000 mAh Li-ion Replacement Battery

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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!