• 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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  • 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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  • 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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  • 6-Pack Rayovac N Size LR1 (E90) 1.5 Volt Alkaline Batteries (3 Cards of 2)

    6-Pack Rayovac N Size LR1 (E90) 1.5 Volt Alkaline Batteries (3 Cards of 2)

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  • C Energizer Recharge NiMH (2500 mAh) Batteries (2 Card)

    C Energizer Recharge NiMH (2500 mAh) Batteries (2 Card)

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  • CRV3 Panasonic Lithium 3 Volt Battery (CR-V3)

    CRV3 Panasonic Lithium 3 Volt Battery (CR-V3)

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  • D Powerizer 10000mAh NiMH Battery

    D Powerizer 10000mAh NiMH Battery

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  • D Tenergy NiMH 10000mAh Battery

    D Tenergy NiMH 10000mAh Battery

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  • Panasonic BR-2/3A Industrial Lithium Battery with Brown Plug

    Panasonic BR-2/3A Industrial Lithium Battery with Brown Plug

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  • Energizer AAA NiMH 800mAh rechargeable batteries two pack front view

    AAA NiMH Energizer Recharge 800 mAh Batteries (2 Card)

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    $18.39
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  • PKCell LIR2450 3.6V lithium ion button battery front view

    LIR2450 3.6 Volt Lithium Ion Button Battery

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  • Energizer MAX 522BP4 9 Volt Alkaline Batteries 4-pack front view

    9 Volt Energizer MAX 522BP4 Alkaline Batteries (4 Card)

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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.