• 3-Pack 18650 3.6v Samsung 3500 mAh (35E) li-on Battery with Tabs

    3-Pack 18650 3.6v Samsung 3500 mAh (35E) li-on Battery with Tabs

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  • 72-Pack AA Energizer Max E91 Alkaline Batteries (3 Boxes of 24)

    72-Pack AA Energizer Max E91 Alkaline Batteries (3 Boxes of 24)

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  • 8-Pack AAA NiMH Panasonic Eneloop Pro Rechargeable Batteries (2 Cards of 4)

    8-Pack AAA NiMH Panasonic Eneloop Pro Rechargeable Batteries (2 Cards of 4)

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  • 6 Volt NiMH Battery Pack (5000 mAh) with Leads

    6 Volt NiMH Battery Pack (5000 mAh) with Leads

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  • Power Portable 7.2V NiMH Battery Pack 4500mAh with attached leads

    7.2 Volt NiMH Battery Pack (4500 mAh) with Leads

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  • 3-Pack Tadiran TL-5242/W 3.6V 2.1 Ah Lithium Batteries w/ Connector

    3-Pack Tadiran TL-5242/W 3.6V 2.1 Ah Lithium Batteries w/ Connector

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  • 3.2V Lifep04 4 Slot Battery Charger + 4 pcs 3.2v 18500 1000mAh Lifep04 Battery (Button Top)

    3.2V Lifep04 4 Slot Battery Charger + 4 pcs 3.2v 18500 1000mAh Lifep04 Battery (Button Top)

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  • 4-pack Varta Accu Ultra 9V NiMH rechargeable batteries front view

    4-Pack 9 Volt Varta Accu Ultra (V7/8H) NiMH Batteries (150 mAh)

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  • 6-Pack 9 Volt Powerizer NiMH Batteries (200 mAh)

    6-Pack 9 Volt Powerizer NiMH Batteries (200 mAh)

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  • 6-Pack Duracell J-TYPE / 4LR61 / 7K76  6 Volt Battery Wholesale & direct to consumer

    6-Pack Duracell J-TYPE / 4LR61 / 7K76 6 Volt Battery

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  • 48 AA + 48 AAA Energizer Industrial wholesale and retail

    48 AA + 48 AAA Energizer Industrial Alkaline Battery Combo

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  • 12-Pack AA Duracell Rechargeable (DX1500) 2500 mAh Batteries (3 Cards of 4) Wholesale & direct to consumer

    12-Pack AA Duracell Rechargeable (DX1500) 2500 mAh Batteries (3 Cards of 4)

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  • 8-Pack AA NiMH Panasonic Eneloop Pro Rechargeable Batteries (2 Cards of 4)

    8-Pack AA NiMH Panasonic Eneloop Pro Rechargeable Batteries (2 Cards of 4)

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  • Box of 100 Panasonic Powerline LR03ADB AAA alkaline batteries

    100-Pack AAA Panasonic Powerline LR03ADB Industrial Alkaline Batteries

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  • 24-Pack AAA NiMH 400 mAh Rechargeable Batteries Wholesale & direct to consumer

    24-Pack AAA NiMH 400 mAh Rechargeable Batteries

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  • 24-Pack Toshiba CR2450 3V Lithium Batteries

    24-Pack Toshiba CR2450 3V Lithium Batteries

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  • 3.2V Lifep04 2 Slot Battery Charger + 4 pcs 3.2 Volt LiFePO4 18650 Button Top Batteries (1500 mAh)

    3.2V Lifep04 2 Slot Battery Charger + 4 pcs 3.2 Volt LiFePO4 18650 Button Top Batteries (1500 mAh)

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  • 6-Pack 18650 Toshiba 3.6 Volt 1650 mAh Lithium Ion Batteries with Tabs

    6-Pack 18650 Toshiba 3.6 Volt 1650 mAh Lithium Ion Batteries with Tabs

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  • Close-up view of a single 18500 3.2V 800mAh LiFePO4 battery

    8-Pack 18500 3.2 Volt 800 mAh LiFePO4 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!