• INR20700A 3.6V MOLICEL 3000mAh Li-ion Battery – w/ Tabs

    INR20700A 3.6V MOLICEL 3000mAh Li-ion Battery – w/ Tabs

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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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  • Closeup of EBL C-HR14 batteries showing NiMH label

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

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    $13.69
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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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    $13.09
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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 packaging

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

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  • 9V Rayovac Ultra Pro Alkaline Batteries

    9V Rayovac Ultra Pro Alkaline Batteries – AL9V-6 (6 Pack)

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  • 8 AA + 8 AAA Energizer MAX Alkaline Battery Combo (On Cards)

    8 AA + 8 AAA Energizer MAX Alkaline Battery Combo (On Cards)

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  • 12-Pack D Chateau Heavy Duty Batteries (4 Cards of 3)

    12-Pack D Chateau Heavy Duty Batteries (4 Cards of 3)

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  • 18650 Sanyo UR18650ZY Lithium-Ion Battery (Low Profile Button)

    18650 Sanyo UR18650ZY Lithium-Ion Battery (Low Profile Button)

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  • Samsung 18650 3.7V 1500mAh lithium ion battery with welded tabs

    3.7 Volt Samsung 18650 Lithium Ion Battery with Tabs (1500 mAh)

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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!