• 6-Pack 18650 Toshiba 3.6 Volt 1650 mAh Lithium Ion Batteries with Tabs

    6-Pack 18650 Toshiba 3.6 Volt 1650 mAh Lithium Ion Batteries with Tabs

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  • Close-up view of a single 18500 3.2V 800mAh LiFePO4 battery

    8-Pack 18500 3.2 Volt 800 mAh LiFePO4 Batteries

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  • 8-Pack Saft LS14250 (ER14250) 3.6V 1/2 AA Wholesale & direct to consumer

    8-Pack Saft LS14250 (ER14250) 3.6V 1/2 AA 1200mAh Lithium Batteries

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  • 3 x Energizer + 3 x Panasonic 2CR5 Photo Lithium Batteries (6 Total)

    3 x Energizer + 3 x Panasonic 2CR5 Photo Lithium Batteries (6 Total)

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  • 3-Pack 3.7 Volt Panasonic 18650 Lithium Ion Batteries (3400 mAh) with Tabs

    3-Pack 3.7 Volt Panasonic 18650 Lithium Ion Batteries (3400 mAh) with Tabs

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  • 3.7 v 7800 mah (3 x 18650) li-ion Battery Pack w/ Board

    3.7 v 7800 mah (3 x 18650) li-ion Battery Pack w/ Board

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    Buy in bulk and save
  • 50-Pack CR2025 Panaonsic 3 Volt Lithium Coin Cell Batteries

    50-Pack CR2025 Panaonsic 3 Volt Lithium Coin Cell Batteries

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  • Close-up of Panasonic CR2032 lithium batteries in original packaging

    50-Pack CR2032 Panasonic 3 Volt Lithium Coin Cell Batteries

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  • 8 x AAA (1100 mAh) + 8 x AA (2600 mAh) AccuPower AccuLoop-X NiMH Battery Combo

    8 x AAA (1100 mAh) + 8 x AA (2600 mAh) AccuPower AccuLoop-X NiMH Battery Combo

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  • 96-Pack AA Rayovac Ultra Pro Alkaline Battery - ALAA-8 (12 Packs of 8)

    96-Pack AA Rayovac Ultra Pro Alkaline Battery - ALAA-8 (12 Packs of 8)

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  • 96-Pack AAA Rayovac Ultra Pro Alkaline Battery - ALAAA-8 (12 Packs of 8)

    96-Pack AAA Rayovac Ultra Pro Alkaline Battery - ALAAA-8 (12 Packs of 8)

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  • Bosch 12 Volt 3000 mAh NiMH Replacement Battery

    Bosch 12 Volt 3000 mAh NiMH Replacement Battery

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  • Close-up of Panasonic Powerline AA LR6AD batteries in packaging

    100-Pack AA Panasonic Powerline LR6AD Industrial Alkaline Batteries

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  • 12-Pack 3.6 Volt ER14335 2/3 AA 1650 mAh Primary Lithium Batteries Wholesale & direct to consumer

    12-Pack 3.6 Volt ER14335 2/3 AA 1650 mAh Primary Lithium Batteries

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  • Power Portable 24-pack AAA NiMH rechargeable batteries 800 mAh

    24-Pack AAA NiMH 800 mAh 1.2 Volt 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!