• AA NiMH Rayovac 1350 mAh Batteries (4 Card)

    AA NiMH Rayovac 1350 mAh Batteries (4 Card)

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  • AAA NiMH Rayovac 600 mAh Batteries (4 Card)

    AAA NiMH Rayovac 600 mAh Batteries (4 Card)

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  • Energizer CR123 3V lithium batteries 2-pack on retail card

    CR123 (EL123A) Energizer 3 Volt Lithium Battery (2 Card)

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  • CR2016 Energizer 3 Volt Lithium Coin Cell Batteries (5 Card)

    CR2016 Energizer 3 Volt Lithium Coin Cell Batteries (5 Card)

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  • CR2025 Energizer 3 Volt Lithium Coin Cell Batteries (5 Card)

    CR2025 Energizer 3 Volt Lithium Coin Cell Batteries (5 Card)

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  • CR2032 Energizer 3 Volt Lithium Coin Cell Batteries (5 Card)

    CR2032 Energizer 3 Volt Lithium Coin Cell Batteries (5 Card)

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  • FDK CR17335SE  Lithium PLC Battery with weld leg

    FDK CR17335SE Lithium PLC Battery with weld leg

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  • Side profile of Samsung INR21700 40T Li-ion battery

    INR21700 40T 3.6V Samsung 4000mAh Li-ion Battery – Flat Top

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  • Power Portable RCR123A 700mAh dark blue rechargeable battery with PCB

    RCR123 A (16340) 3.6V 700mAh Rechargeable Battery (Dark Blue) – With PCB

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  • RFA-188 PetSafe Compatible Fence & Dog Collar Lithium Battery

    RFA-188 PetSafe Compatible Fence & Dog Collar Lithium Battery

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  • Tenergy RCR123A (16340) 3.7 Volt Lithium Ion Battery (650 mAh)

    Tenergy RCR123A (16340) 3.7 Volt Lithium Ion Battery (650 mAh)

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  • Six cards of two Energizer AA alkaline batteries arranged in a row

    12-Pack AA Energizer MAX E91BP-2 (2 Card) Alkaline Batteries (6 Cards of 2)

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  • 12-Pack AAA Energizer MAX E92BP-2 Alkaline Batteries (6 Cards of 2)

    12-Pack AAA Energizer MAX E92BP-2 Alkaline Batteries (6 Cards of 2)

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  • Samsung 18650 3.7V 1500mAh flat top lithium ion battery

    3.7 Volt Samsung 18650 Lithium Ion Battery (1500 mAh)

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  • 3.6 Volt ER18505 Primary Lithium Battery (3600 mAh)

    3.6 Volt ER18505 Primary Lithium Battery (3600 mAh)

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  • 5-Pack 377 / SR626SW Renata Silver Oxide Button Batteries

    5-Pack 377 / SR626SW Renata Silver Oxide Button Batteries

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  • 5-Pack BR2016 Panasonic 3 Volt Lithium Coin Cell Battery

    5-Pack BR2016 Panasonic 3 Volt Lithium Coin Cell 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!