• Power Portable 50-pack AA NiMH 400mAh rechargeable batteries in retail packaging

    50-Pack AA NiMH 400 mAh Rechargeable Batteries

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

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

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  • 12-Pack Tadiran TL-5902/S 3.6V 1/2 AA 1.2 Ah Lithium Batteries (ER14250) Wholesale & direct to consumer

    12-Pack Tadiran TL-5902/S 3.6V 1/2 AA 1.2 Ah Lithium Batteries (ER14250)

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  • Rechargeable Tenergy 18650 lithium-ion batteries in packaging

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

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  • 24-Pack AA NiMH AccuPower AccuLoop-X 2600 mAh Rechargeable Batteries (6 Cards of 4)

    24-Pack AA NiMH AccuPower AccuLoop-X 2600 mAh Rechargeable Batteries (6 Cards of 4)

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  • 50-Pack AA NiMH 800 mAh Rechargeable Batteries

    50-Pack AA NiMH 800 mAh Rechargeable Batteries

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    $144.19
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  • 72-Pack C Duracell Procell Intense PX1400 Alkaline Batteries (6 Boxes of 12) Wholesale & direct to consumer

    72-Pack C Duracell Procell Intense PX1400 Alkaline Batteries (6 Boxes of 12)

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  • 25-Pack CR2477N Renata 3 Volt Lithium Coin Cell Batteries

    25-Pack CR2477N Renata 3 Volt Lithium Coin Cell Batteries

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    $144.89
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  • 12-Pack 2CR5 Panasonic 6 Volt Lithium Batteries Wholesale & direct to consumer

    12-Pack 2CR5 Panasonic 6 Volt Lithium Batteries

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  • 144-Pack AA Energizer Max E91 Alkaline Batteries (6 Boxes of 24)

    144-Pack AA Energizer Max E91 Alkaline Batteries (6 Boxes of 24)

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  • 24-Pack AA Duracell Rechargeable (DX1500) 2500 mAh Batteries (6 Cards for 4) Wholesale & direct to consumer

    24-Pack AA Duracell Rechargeable (DX1500) 2500 mAh Batteries (6 Cards for 4)

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  • 12 Volt NiMH Battery Pack (5000 mAh)

    12 Volt NiMH Battery Pack (5000 mAh)

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    Buy in bulk and save
  • 3-Pack Tadiran TL-2300/S 3.6V D 16.5 Ah Lithium Battery (LSH20 / LS33600) Wholesale & direct to consumer

    3-Pack Tadiran TL-2300/S 3.6V D 16.5 Ah Lithium Battery (LSH20 / LS33600)

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

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

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  • 12-Pack 4SR44 Camelion 6 Volt Silver Oxide Batteries replaces 28a and 28L

    12-Pack 4SR44 Camelion 6 Volt Silver Oxide Batteries replaces 28a and 28L

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  • Six Lishen 18650 3.6V Li-Ion batteries with same side terminals

    6-Pack 18650 3.6v 2600mAh li-ion Batteries (Positive and Negative Same Side)

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  • 12-Pack 18650 3.6 Volt 2000 mAh Li-Ion Batteries - Protected (Button Top)

    12-Pack 18650 3.6 Volt 2000 mAh Li-Ion Batteries - Protected (Button Top)

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    $148.39
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  • 200-Pack AAA Panasonic Powerline LR03ADB Industrial Alkaline Batteries Wholesale & direct to consumer

    200-Pack AAA Panasonic Powerline LR03ADB Industrial Alkaline Batteries

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    $148.39
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  • 48-Pack AAA Camelion Lithium (L92 Replacement) Batteries (12 Cards of 4)

    48-Pack AAA Camelion Lithium (L92 Replacement) Batteries (12 Cards of 4)

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    $148.39
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  • 8 x AA (2550 mAh) + 8 x AAA (950 mAh) NiMH Panasonic Eneloop Pro Battery Combo

    8 x AA (2550 mAh) + 8 x AAA (950 mAh) NiMH Panasonic Eneloop Pro Battery Combo

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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!