• Energizer CRP2 (223A) 6 Volt Lithium Battery (On a Card)

    Energizer CRP2 (223A) 6 Volt Lithium Battery (On a Card)

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  • Rayovac CR2 3 Volt Lithium Batteries (2 Card)

    Rayovac CR2 3 Volt Lithium Batteries (2 Card)

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    $11.99
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  • 4 AA + 4 AAA + 1  9 Volt Energizer MAX Alkaline Battery Combo (On Cards)

    4 AA + 4 AAA + 1 9 Volt Energizer MAX Alkaline Battery Combo (On Cards)

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    $12.19
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  • 2.4 Volt NiCd Battery Pack (700 mAh)

    2.4 Volt NiCd Battery Pack (700 mAh)

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    $12.29
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  • Xeno XL-050F 3.6V 1/2 AA 1.2Ah Lithium Battery with Molex Connector

    Xeno XL-050F 3.6V 1/2 AA 1.2Ah Lithium Battery with Molex Connector

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    $12.29
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  • 18650 2200 Li-ion 3.7 Volt With PCB (Flat Top) Battery

    18650 2200 Li-ion 3.7 Volt With PCB (Flat Top) Battery

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    $12.49
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  • 5-Pack CR1220 3 Volt PK Cell  Lithium Coin Cell Batteries

    5-Pack CR1220 3 Volt PK Cell Lithium Coin Cell Batteries

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  • 5-Pack CR2016 Panasonic 3 Volt Lithium Coin Cell Battery (Bulk)

    5-Pack CR2016 Panasonic 3 Volt Lithium Coin Cell Battery (Bulk)

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    $12.49
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  • 5-Pack CR2032 Renata Lithium 3 Volt Lithium Coin Cell Batteries

    5-Pack CR2032 Renata Lithium 3 Volt Lithium Coin Cell Batteries

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    $12.49
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  • SAFT LS17500 battery with product details on label

    SAFT LS17500 (ER17500) 3.6 Volt A Lithium Battery (3600 mAh)

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    $12.49
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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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    $12.49
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  • 12-Pack AA Duracell Quantum Alkaline Batteries

    12-Pack AA Duracell Quantum Alkaline Batteries

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  • 18650 2600 mAh Li-ion 3.7 Volt Battery (Flat Top)

    18650 2600 mAh Li-ion 3.7 Volt Battery (Flat Top)

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    $12.69
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  • Power Portable 18650 3.6V 2600mAh protected Li-Ion button top battery

    18650 3.6 Volt 2600 mAh Li-Ion Battery - Protected (Button Top)

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    $12.69
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  • 2 x Energizer + 2 x Duracell  AAAA Alkaline Batteries

    2 x Energizer + 2 x Duracell AAAA Alkaline Batteries

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  • 3-Pack 364 / SR621SW Duracell Silver Oxide Button Batteries (On a Card)

    3-Pack 364 / SR621SW Duracell Silver Oxide Button Batteries (On a Card)

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  • 3.7 Volt Sanyo (UF653450R) Lithium Ion Rectangular Battery (1100 mAh)

    3.7 Volt Sanyo (UF653450R) Lithium Ion Rectangular Battery (1100 mAh)

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    $12.69
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  • Power Portable 3.7V 22500 Li-ion battery in cylindrical format

    3.7V 22500 2400mAh Li-ion 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!