• 14500 Sanyo AA 840mAh li-ion 3.7 Volt UR14500P Battery w/ Tabs

    14500 Sanyo AA 840mAh li-ion 3.7 Volt UR14500P Battery w/ Tabs

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  • 18650 3.6 Volt 2000 mAh Li-Ion Battery - Protected (Button Top)

    18650 3.6 Volt 2000 mAh Li-Ion Battery - Protected (Button Top)

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  • Tadiran TL-2100/S 3.6V AA 2.1 Ah Lithium Battery (ER14505)

    Tadiran TL-2100/S 3.6V AA 2.1 Ah Lithium Battery (ER14505)

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  • AAAA Energizer (E96) Alkaline Batteries (2 Card)

    AAAA Energizer (E96) Alkaline Batteries (2 Card)

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  • FDK Sanyo CR17450SE 3 Volt Laser Lithium A Battery

    FDK Sanyo CR17450SE 3 Volt Laser Lithium A Battery

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  • 18650 3.6v 2000 mAh li-ion - Protected (Button Top) - Purple

    18650 3.6v 2000 mAh li-ion - Protected (Button Top) - Purple

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  • 4 AA + 4 AAA Duracell Alkaline Battery Combo (On Cards)

    4 AA + 4 AAA Duracell Alkaline Battery Combo (On Cards)

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  • AA Energizer MAX E91BP12 Alkaline Batteries (12 Card)

    AA Energizer MAX E91BP12 Alkaline Batteries (12 Card)

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  • AAA Energizer MAX E92BP12 Alkaline Batteries (12 Card)

    AAA Energizer MAX E92BP12 Alkaline Batteries (12 Card)

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  • 18650 3.7 Volt Lithium Ion Battery (2200 mAh)

    18650 3.7 Volt Lithium Ion Battery (2200 mAh)

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  • 3.2 Volt 18650 LiFePO4 Battery with Tabs (1100 mAh)

    3.2 Volt 18650 LiFePO4 Battery with Tabs (1100 mAh)

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  • 3.7 Volt 18350 Li-Ion Button Top Battery (1200 mAh)

    3.7 Volt 18350 Li-Ion Button Top Battery (1200 mAh)

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  • 3.7 Volt Lithium Ion 18650 Battery with Tabs (2200 mAh)

    3.7 Volt Lithium Ion 18650 Battery with Tabs (2200 mAh)

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  • 3.7 Volt RCR123A (16340) Lithium Ion Battery (700 mAh)

    3.7 Volt RCR123A (16340) Lithium Ion Battery (700 mAh)

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  • 4 AA + 1 9 Volt Duracell Alkaline Battery Combo (On Cards)

    4 AA + 1 9 Volt Duracell Alkaline Battery Combo (On Cards)

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  • 4 AA + 4 AAA + 2 C + 2 D + 1 9V Panasonic Heavy Duty Battery Combo

    4 AA + 4 AAA + 2 C + 2 D + 1 9V Panasonic Heavy Duty Battery Combo

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  • AAA Chateau NiMH 900 mAh Batteries (2 Card)

    AAA Chateau NiMH 900 mAh Batteries (2 Card)

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

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

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  • CR2 Duracell 3 Volt Lithium Battery (1 Card) Wholesale & direct to consumer

    CR2 Duracell 3 Volt Lithium Battery (1 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.