• 2.4 Volt Sanyo (2N-650SC) NiCd Battery Pack (650 mAh)

    2.4 Volt Sanyo (2N-650SC) NiCd Battery Pack (650 mAh)

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  • 5-Pack CR2016 Renata 3 Volt Lithium Coin Cell Batteries

    5-Pack CR2016 Renata 3 Volt Lithium Coin Cell Batteries

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  • 5-Pack CR2025 Renata 3 Volt Lithium Coin Cell Batteries

    5-Pack CR2025 Renata 3 Volt Lithium Coin Cell Batteries

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  • DL-16 9 Volt Kaba Ilco Unican HTL2 Door Lock Battery

    DL-16 9 Volt Kaba Ilco Unican HTL2 Door Lock Battery

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  • DL-2 6 Volt Saflok HTL1 Style B Door Lock Alkaline Battery

    DL-2 6 Volt Saflok HTL1 Style B Door Lock Alkaline Battery

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  • DL-31 9V Electronic Door Lock Battery for VingCard Visionline & Intellikey (HTL18)

    DL-31 9V Electronic Door Lock Battery for VingCard Visionline & Intellikey (HTL18)

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  • Tadiran TL-5276/W 3.6V 1.0 Ah Lithium Battery w/ 2 Pin Connector

    Tadiran TL-5276/W 3.6V 1.0 Ah Lithium Battery w/ 2 Pin Connector

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    $19.59
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  • 24-Pack AAA Energizer Industrial wholesale and retail

    24-Pack AAA Energizer Industrial (EN92) Alkaline Batteries

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    $19.79
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  • 18650 Tenergy Lithium Ion 3.7 Volt Button Top Battery with PCB Protection (2600 mAh)

    18650 Tenergy Lithium Ion 3.7 Volt Button Top Battery with PCB Protection (2600 mAh)

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    $19.89
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  • The L91 AA lithium are the longest lasting AA batteries on the planet. Ultra light and extremely powerful makes it your ultimate choice

    AA Energizer Ultimate Lithium (L91) Batteries (4-Card)

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  • AAA Energizer Ultimate (L92) Lithium Batteries (4-Card)

    AAA Energizer Ultimate (L92) Lithium Batteries (4-Card)

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    $20.09
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  • 5-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Battery

    5-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Battery

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  • AA NiMH Energizer 2000 mAh Batteries (4 Card)

    AA NiMH Energizer 2000 mAh Batteries (4 Card)

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  • AA Energizer MAX E91BP16 Alkaline Battery Combo (16 Card)

    AA Energizer MAX E91BP16 Alkaline Battery Combo (16 Card)

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  • 18650 HE4 3.6 Volt Lithium Ion Battery (2500 mAh) w /tabs

    18650 HE4 3.6 Volt Lithium Ion Battery (2500 mAh) w /tabs

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  • 3.7 Volt Samsung 25R 18650 Lithium Ion Battery (2500 mAh)

    3.7 Volt Samsung 25R 18650 Lithium Ion Battery (2500 mAh)

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  • 4-Pack DL2032 Duracell 3 Volt Lithium Coin Cell Batteries (2 Cards of 2)

    4-Pack DL2032 Duracell 3 Volt Lithium Coin Cell Batteries (2 Cards of 2)

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  • 4-Pack Toshiba CR2450 3V Lithium Batteries

    4-Pack Toshiba CR2450 3V Lithium Batteries

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  • 5-Pack CR1216 Renata 3 Volt Lithium Coin Cell Batteries

    5-Pack CR1216 Renata 3 Volt Lithium Coin Cell Batteries

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  • 5-Pack CR1220 Renata 3 Volt Lithium Coin Cell Batteries

    5-Pack CR1220 Renata 3 Volt Lithium Coin Cell Batteries

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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!