• Power Portable 11.1V 3500mAh lithium ion battery pack with wire leads

    11.1 Volt Lithium Ion Battery Pack (3500 mAh) with Protection IC

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    $86.29
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  • 6V 5Ah (30Wh) LiFePO4 Battery (Replaces SLA 6V 5Ah)

    6V 5Ah (30Wh) LiFePO4 Battery (Replaces SLA 6V 5Ah)

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  • 96-Pack AA Energizer MAX E91MP-8 Alkaline Batteries (12 Cards of 8)

    96-Pack AA Energizer MAX E91MP-8 Alkaline Batteries (12 Cards of 8)

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  • 12 x 18650 Toshiba 3.6 Volt 1650 mAh Lithium Ion Batteries

    12 x 18650 Toshiba 3.6 Volt 1650 mAh Lithium Ion Batteries

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  • Bulk pack of Panasonic 2CR5 lithium batteries for cameras

    12-Pack 2CR5 Panasonic 6 Volt Lithium (245, DL245, EL2CR5) Batteries

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  • 48-Pack Toshiba CR2450 3V Lithium Batteries

    48-Pack Toshiba CR2450 3V Lithium Batteries

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  • 6-Pack 3.7 Volt 26650 Li-Ion Batteries with Tabs (5000 mAh)

    6-Pack 3.7 Volt 26650 Li-Ion Batteries with Tabs (5000 mAh)

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    $92.99
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  • 24-Pack Sub C 2200 mAh NiCd Paper Wrapped Batteries with Tabs

    24-Pack Sub C 2200 mAh NiCd Paper Wrapped Batteries with Tabs

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  • 6-Pack 18650 M26 3.6 Volt Lithium Ion Batteries with Tabs (2600 mAh)

    6-Pack 18650 M26 3.6 Volt Lithium Ion Batteries with Tabs (2600 mAh)

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  • 3-Pack Tadiran TL-5920/S 3.6V C 8.5 Ah Lithium Batteries (ER26500 / LS26500) with Tabs Wholesale & direct to consumer

    3-Pack Tadiran TL-5920/S 3.6V C 8.5 Ah Lithium Batteries (ER26500 / LS26500) with Tabs

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  • 12-Pack Duracell DL123A 3 Volt Lithium Batteries (6 Cards of 2)

    12-Pack Duracell DL123A 3 Volt Lithium Batteries (6 Cards of 2)

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  • 50-Pack AA NiCd 700 mAh Rechargeable Batteries

    50-Pack AA NiCd 700 mAh Rechargeable Batteries

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  • 96-Pack AA Energizer MAX E91BP-4 Alkaline Batteries (24 Cards of 4)

    96-Pack AA Energizer MAX E91BP-4 Alkaline Batteries (24 Cards of 4)

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  • 12-Pack Tadiran TL-2150/S 3.6V 1/2 AA 1 Ah Lithium Battery (ER14250)

    12-Pack Tadiran TL-2150/S 3.6V 1/2 AA 1 Ah Lithium Battery (ER14250)

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  • 11.1 Volt Lithium Ion Battery Pack (5200 mAh)  with Protection IC

    11.1 Volt Lithium Ion Battery Pack (5200 mAh) with Protection IC

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    $89.59
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  • Power Portable 7.4V 8800mAh lithium ion battery pack with leads

    7.4 Volt Lithium Ion Battery Pack (8800 mAh) with Protection IC & Leads

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  • 100-Pack BR2016 Panasonic 3 Volt Lithium Coin Cell Batteries

    100-Pack BR2016 Panasonic 3 Volt Lithium Coin Cell Batteries

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    $89.99
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  • 12-Pack DL123A / CR123A Duracell 3 Volt Lithium Battery

    12-Pack DL123A / CR123A Duracell 3 Volt Lithium Battery

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    $89.99
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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!