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

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

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  • 4-Pack AAA Energizer Industrial Lithium LN92 L92 batteries front view

    4-Pack AAA Energizer Industrial Lithium (LN92 / L92) Batteries

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  • 6-Pack Rayovac A23 12 Volt Alkaline Batteries (3 Cards of 2)

    6-Pack Rayovac A23 12 Volt Alkaline Batteries (3 Cards of 2)

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  • CR123 Panasonic Photo Lithium Battery (2 Card) (CR123APA2B)

    CR123 Panasonic Photo Lithium Battery (2 Card) (CR123APA2B)

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  • Energizer 2CR5 6 Volt Lithium Battery (EL2CR5)

    Energizer 2CR5 6 Volt Lithium Battery (EL2CR5)

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  • 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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    $16.79
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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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  • 2.4 Volt NiCd Battery Pack (700 mAh)

    2.4 Volt NiCd Battery Pack (700 mAh)

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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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  • 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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  • 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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  • 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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  • SAFT LS17500 battery with product details on label

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

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  • Front view of Duracell 28L 6 Volt Lithium Battery on card packaging

    Duracell 28L 6 Volt Lithium Battery (PX28L, 2CR1/3N, L544)

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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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  • 18650 3.6 Volt 2300 mAh Li-Ion Battery - Protected (Button Top)

    18650 3.6 Volt 2300 mAh Li-Ion Battery - Protected (Button Top)

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    $17.79
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Size Matters: Navigating the Diverse Battery Sizes 

 

Understanding the importance of choosing the right battery size for your devices is crucial. At OnlyBatteries.com, we offer an extensive range of battery sizes tailored for all types of applications, from everyday gadgets to industrial equipment. 

 

1. Common Sizes for Daily Use

Explore popular battery sizes like AA, AAA, C, and D, essential for household and consumer electronics. Learn about their applications and how to choose the right one for your devices.

 

2. Specialty and Coin Cell Sizes

Dive into the world of specialty sizes like 18650, CR2032, and others used in laptops, watches, and medical devices. Understand the nuances of each size and their typical uses.

 

3. Industrial and High-Capacity Sizes

Discover larger and more powerful battery sizes such as 2CR5, 9 Volt, and Sub C, which are perfect for high-drain devices like security systems and photography equipment.

 

4. Unique and Less Common Sizes

Uncover the less commonly needed sizes such as A23, N Size, and CR123. These are crucial for certain specialized applications, ensuring you never run out of power when it matters most.

 

5. Choosing the Right Size for Your Needs

Get practical advice on selecting the right battery size for your application, including considerations for rechargeability, longevity, and device compatibility.

 

OnlyBatteries.com offers a comprehensive array of battery sizes to ensure you always find exactly what you need for any device. Whether you're buying batteries for everyday use or for specialized equipment, our extensive selection has you covered.