• 6-Pack CR2032 Rayovac 3 Volt Lithium Coin Cell Batteries (3 Cards of 2)

    6-Pack CR2032 Rayovac 3 Volt Lithium Coin Cell Batteries (3 Cards of 2)

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  • Two EBL C size NiMH batteries displayed in their storage case

    C EBL 5000mAh Rechargeable Batteries (2 in a Case)

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  • Close-up of terminals on Power Portable D 10000 NiMH battery

    D 10000 NiMH Battery (Flat Top)

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  • DL-08 6 Volt Saflok A28110 / HTL11 Door Lock Alkaline Battery

    DL-08 6 Volt Saflok A28110 / HTL11 Door Lock Alkaline Battery

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  • DL-19 6 Volt Saflok Select 6 HTL6 Door Lock Alkaline Battery

    DL-19 6 Volt Saflok Select 6 HTL6 Door Lock Alkaline Battery

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  • Samsung INR21700 40T battery with tabs front view

    INR21700 40T 3.6V Samsung 4000mAh Li-ion Battery w/Tabs

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  • Molicel P28A 18650 3.6V lithium ion battery front view

    Molicel P28A 18650 3.6 Volt Lithium Ion Battery (2800mAh)

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  • RCR2 3 Volt Lithium Ion Battery

    RCR2 3 Volt Lithium Ion Battery

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  • Box of 24 AA Energizer Industrial EN91 alkaline batteries

    24-Pack AA Energizer Industrial (EN91) Alkaline Batteries

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  • 9 Volt AccuPower NiMH Battery (300 mAh)

    9 Volt AccuPower NiMH Battery (300 mAh)

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  • 2.4 Volt NiCd Battery Pack (1000 mAh)

    2.4 Volt NiCd Battery Pack (1000 mAh)

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  • 5-Pack 321 / SR616SW Renata Silver Oxide Button Batteries

    5-Pack 321 / SR616SW Renata Silver Oxide Button Batteries

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  • 5-Pack 364 / SR621SW Renata Silver Oxide Button Batteries

    5-Pack 364 / SR621SW Renata Silver Oxide Button Batteries

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  • Side view of Lishen 18650 2600mAh rechargeable Li-Ion battery

    18650 3.6v Lishen 2600mAh li-ion Battery (Button Top)

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  • Korea Brand 18650 HE4 3.6V 2500mAh lithium ion flat top battery

    18650 HE4 3.6 Volt Lithium Ion Battery (2500 mAh)

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  • Sanyo 2.4 Volt 2N-650SC NiCd battery pack front view

    2.4 Volt Sanyo (2N-650SC) NiCd Battery Pack (650 mAh)

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  • 5-Pack CR2016 Renata 3 Volt Lithium Coin Cell Batteries

    5-Pack CR2016 Renata 3 Volt Lithium Coin Cell Batteries

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  • 5-Pack CR2025 Renata 3 Volt Lithium Coin Cell Batteries

    5-Pack CR2025 Renata 3 Volt Lithium Coin Cell Batteries

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  • DL-16 9 Volt Kaba Ilco Unican HTL2 Door Lock Battery

    DL-16 9 Volt Kaba Ilco Unican HTL2 Door Lock Battery

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  • DL-2 6 Volt Saflok HTL1 Style B Door Lock Alkaline Battery

    DL-2 6 Volt Saflok HTL1 Style B Door Lock Alkaline Battery

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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.