• Varta 3/V80H 3P 3.6 Volt 3 Pin NiMH Battery

    Varta 3/V80H 3P 3.6 Volt 3 Pin NiMH Battery

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  • 12-Pack CR123A Powerizer 3 Volt Lithium Batteries

    12-Pack CR123A Powerizer 3 Volt Lithium Batteries

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  • 3.7 Volt IMR 21700 Lithium Ion Battery (5000 mAh) with Tabs

    3.7 Volt IMR 21700 Lithium Ion Battery (5000 mAh) with Tabs

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    $31.39
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  • 7.2V 700 mAh Li-Ion 14430 Battery Pack - With Protection IC

    7.2V 700 mAh Li-Ion 14430 Battery Pack - With Protection IC

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    $31.39
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  • Sanyo / Panasonic  20700B 3.7V Lithium Ion Battery (4250 mAh)

    Sanyo / Panasonic 20700B 3.7V Lithium Ion Battery (4250 mAh)

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    $31.39
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  • 3.2 Volt 32650 LiFePO4 Battery (5000 mAh)

    3.2 Volt 32650 LiFePO4 Battery (5000 mAh)

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    $31.49
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  • 5-Pack BR2330 Panasonic 3 Volt Lithium Coin Cell Battery

    5-Pack BR2330 Panasonic 3 Volt Lithium Coin Cell Battery

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  • 8 AA + 2 9 Volt Duracell Alkaline Battery Combo (On Cards)

    8 AA + 2 9 Volt Duracell Alkaline Battery Combo (On Cards)

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  • 4 x AA (1350 mAh) + 4 x AAA (600 mAh) NiMH Rayovac Battery Combo

    4 x AA (1350 mAh) + 4 x AAA (600 mAh) NiMH Rayovac Battery Combo

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    $31.69
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  • 6-Pack AAAA Duracell MX2500 Alkaline Batteries (3 Cards of 2)

    6-Pack AAAA Duracell MX2500 Alkaline Batteries (3 Cards of 2)

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  • 8 AA + 4 AAA + 2 C + 2 D + 1  9 Volt Energizer MAX Alkaline Battery Combo (On Cards)

    8 AA + 4 AAA + 2 C + 2 D + 1 9 Volt Energizer MAX Alkaline Battery Combo (On Cards)

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  • 10-Pack 394 (SR936SW) Renata Silver Oxide Button Batteries

    10-Pack 394 (SR936SW) Renata Silver Oxide Button Batteries

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  • 12-Pack 392 / SR41SW Rayovac Silver Oxide Button Batteries

    12-Pack 392 / SR41SW Rayovac Silver Oxide Button Batteries

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  • 12-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries (3 Cards of 4)

    12-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries (3 Cards of 4)

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    $37.79
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  • 24-Pack AA Duracell Quantum Alkaline Batteries (2 Cards of 12)

    24-Pack AA Duracell Quantum Alkaline Batteries (2 Cards of 12)

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  • 3.2V 600 mAh (14500) LiFeP04 wholesale & retail

    3.2V 600 mAh (14500) LiFeP04 Battery Pack for Gama Sonic Solar Lights

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    $31.79
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  • 3.6 Volt D 19000 mAh (ER34615) Primary Lithium Battery (Small button) Wholesale & direct to consumer

    3.6 Volt D 19000 mAh (ER34615) Primary Lithium Battery (Small button)

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  • 3.6 Volt ER34615 (SAFT LSH20) D Primary Lithium Battery Wholesale & direct to consumer

    3.6 Volt ER34615 (SAFT LSH20) D Primary Lithium Battery (19000 mAh)

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  • 4.8 Volt NiMH Battery Pack (1000 mAh) with Leads

    4.8 Volt NiMH Battery Pack (1000 mAh) with Leads

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    $31.79
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  • 4.8 Volt NiMH Battery Pack (2200 mAh) with HiTec / JR Connector

    4.8 Volt NiMH Battery Pack (2200 mAh) with HiTec / JR Connector

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    $31.79
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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!