• 12-Pack 303 / 357 Energizer Silver Oxide Button Battery (LR44)

    12-Pack 303 / 357 Energizer Silver Oxide Button Battery (LR44)

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  • 2-Pack Varta 3/V150H 3.6 Volt 3 Pin NiMH Batteries

    2-Pack Varta 3/V150H 3.6 Volt 3 Pin NiMH Batteries

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  • 24-Pack AA Duracell MN1500B4 Alkaline Batteries (6 Cards of 4)

    24-Pack AA Duracell MN1500B4 Alkaline Batteries (6 Cards of 4)

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  • 3-Pack 18650 3.6 Volt 2600 mAh Li-Ion Batteries - Protected (Button Top)

    3-Pack 18650 3.6 Volt 2600 mAh Li-Ion Batteries - Protected (Button Top)

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  • 3-Pack 3.7 Volt Lithium Ion 18650 Batteries with Tabs (2200 mAh)

    3-Pack 3.7 Volt Lithium Ion 18650 Batteries with Tabs (2200 mAh)

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  • 3.7 Volt Lithium Ion Battery Pack (4400 mAh) with Protection IC

    3.7 Volt Lithium Ion Battery Pack (4400 mAh) with Protection IC

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  • 5-Pack BR2330A/FAN 3V Lithium Coin Cell Battery w/Tabs

    5-Pack BR2330A/FAN 3V Lithium Coin Cell Battery w/Tabs

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    $34.99
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  • 6-Pack 4/5 AA 3.7 Volt Lithium Ion 14430 Flat Top Batteries (650 mAh)

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

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  • 6-Pack AAA 3.7 Volt Lithium Ion 10440 Button Top Batteries (350 mAh)

    6-Pack AAA 3.7 Volt Lithium Ion 10440 Button Top Batteries (350 mAh)

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    $34.99
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  • Dewalt 9.6 Volt 3000 mAh NiMH Replacement Battery

    Dewalt 9.6 Volt 3000 mAh NiMH Replacement Battery

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    $34.99
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  • Welch Allyn 72600 Replacement 2.5 Volt NiCd Medical Battery for Welch Allyn Pocket Scope

    Welch Allyn 72600 Replacement 2.5 Volt NiCd Medical Battery for Welch Allyn Pocket Scope

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  • 24-Pack AAA Duracell MN2400B4 Alkaline Batteries (6 Cards of 4)

    24-Pack AAA Duracell MN2400B4 Alkaline Batteries (6 Cards of 4)

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    $35.19
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  • 3.2 Volt LiFePO4 18650 1500 mAh Button Top Batteries (Box of 4)

    3.2 Volt LiFePO4 18650 1500 mAh Button Top Batteries (Box of 4)

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  • 3-Pack Tadiran TL-4903/T 3.6V AA 2.4 Ah Lithium Batteries w/ Tabs (ER14505) Wholesale & direct to consumer

    3-Pack Tadiran TL-4903/T 3.6V AA 2.4 Ah Lithium Batteries w/ Tabs (ER14505)

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  • Tadiran TL-2300/S 3.6V D 16.5 Ah Lithium Battery (LSH20 / LS33600) Wholesale & direct to consumer

    Tadiran TL-2300/S 3.6V D 16.5 Ah Lithium Battery (LSH20 / LS33600)

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  • 6 x Energizer + 6 x Duracell  AAAA Alkaline Batteries

    6 x Energizer + 6 x Duracell AAAA Alkaline Batteries

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    $35.39
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  • 5-Pack Panasonic BR3032 3 Volt Lithium Coin Cell Battery

    5-Pack Panasonic BR3032 3 Volt Lithium Coin Cell Battery

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    $35.49
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  • 10-Pack 389 / SR54 / Renata Silver Oxide Button Batteries

    10-Pack 389 / SR54 / Renata Silver Oxide Button Batteries

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    $35.69
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  • 24-Pack 9 Volt Westinghouse Super Heavy Duty Batteries (Carded)

    24-Pack 9 Volt Westinghouse Super Heavy Duty Batteries (Carded)

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    $35.69
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  • 3-Pack 3.7 Volt Samsung 18650 Lithium Ion Batteries (1500 mAh)

    3-Pack 3.7 Volt Samsung 18650 Lithium Ion Batteries (1500 mAh)

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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!