• 6-Pack Tadiran TL-2100/S 3.6V AA 2.1 Ah Lithium Batteries (ER14505)

    6-Pack Tadiran TL-2100/S 3.6V AA 2.1 Ah Lithium Batteries (ER14505)

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  • 24-Pack AA NiMH 600 mAh Rechargeable Batteries

    24-Pack AA NiMH 600 mAh Rechargeable Batteries

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  • 24-Pack AA NiMH 800 mAh Rechargeable Batteries

    24-Pack AA NiMH 800 mAh Rechargeable Batteries

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  • 5 x Duracell + 5 x Energizer CR123A 3 Volt Lithium Batteries (10 Total)

    5 x Duracell + 5 x Energizer CR123A 3 Volt Lithium Batteries (10 Total)

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  • 12-Pack 3.6 Volt ER14505 AA Primary Lithium Batteries (2700 mAh) Wholesale & direct to consumer

    12-Pack 3.6 Volt ER14505 AA Primary Lithium Batteries (2700 mAh)

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  • 16-Pack ER14250 (LS14250) 1/2 AA 3.6 Volt Primary Lithium Battery Wholesale & direct to consumer

    16-Pack ER14250 (LS14250) 1/2 AA 3.6 Volt Primary Lithium Battery (1200 mAh)

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  • 8-Pack 3.2 Volt  18650 LiFePO4 1500 mAh Batteries

    8-Pack 3.2 Volt 18650 LiFePO4 1500 mAh Batteries

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  • 8 x AA (2000 mAh) + 8 x AAA (800 mAh) NiMH Panasonic Eneloop Battery Combo

    8 x AA (2000 mAh) + 8 x AAA (800 mAh) NiMH Panasonic Eneloop Battery Combo

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  • 12.8V 11Ah PUJIMAX LiFEp04 Rechargeable Battery Pack

    12.8V 11Ah PUJIMAX LiFEp04 Rechargeable Battery Pack

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  • 2-Pack Welch Allyn 72600 Replacement 2.5 Volt NiCd Medical Batteries for Welch Allyn Pocket Scope

    2-Pack Welch Allyn 72600 Replacement 2.5 Volt NiCd Medical Batteries for Welch Allyn Pocket Scope

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  • 24-Pack AA Philips 1.5V Lithium Batteries

    24-Pack AA Philips 1.5V Lithium Batteries

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  • 3 x Duracell Ultra 245  + 3 x Panasonic 2CR5 Photo Lithium Batteries (6 Total)

    3 x Duracell Ultra 245 + 3 x Panasonic 2CR5 Photo Lithium Batteries (6 Total)

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

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

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

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

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  • 6-Pack Molicel P28A 18650 3.6 Volt Lithium Ion Batteries (2800mAh)

    6-Pack Molicel P28A 18650 3.6 Volt Lithium Ion Batteries (2800mAh)

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  • 8 x AA (2700 mAh) + 8 x AAA (1000 mAh) NiMH Powerex Rechargeable Batteries Combo Wholesale & direct to consumer

    8 x AA (2700 mAh) + 8 x AAA (1000 mAh) NiMH Powerex Rechargeable Batteries Combo

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  • 8-Pack C Tenergy Premium NiMH Batteries (5000 mAh)

    8-Pack C Tenergy Premium NiMH Batteries (5000 mAh)

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  • Size p675 PowerOne IMPLANT Plus Cochlear Hearing Aid Batteries (60pcs - 1 Box) Wholesale & direct to consumer

    Size p675 PowerOne IMPLANT Plus Cochlear Hearing Aid Batteries (60pcs - 1 Box)

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  • 8-Pack 2CR5 Panasonic 6 Volt Lithium Batteries

    8-Pack 2CR5 Panasonic 6 Volt Lithium 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!