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  • Front view of Panasonic CR2032 3V battery pack
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    Panasonic

    25-Pack CR2032 Panasonic 3 Volt Lithium Coin Cell Batteries

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    $36.99
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  • Power Portable 3-pack 18650 protected button top Li-Ion batteries
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    Power Portable

    3-Pack 18650 3.6 Volt 2300 mAh Li-Ion Batteries - Protected (Button Top)

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    $36.99
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  • 6-Pack Power Portable AA 3.7V 14500 lithium ion batteries flat top
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    Power Portable

    6-Pack AA 3.7 Volt Lithium Ion 14500 Batteries (750 mAh)

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    $36.99
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  • Power Portable 6-pack Sub C NiMH batteries, 3500 mAh, flat top
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    Power Portable

    6-Pack Sub C NiMH Batteries (3500 mAh)

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    $36.99
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  • Six Xeno XL-050FAX batteries for compatible electronics
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    Xeno

    6-Pack Xeno XL-050FAX 3.6V 1/2 AA 1.2Ah Lithium Batteries w/ Axial Leads

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    $36.99
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  • Panasonic Eneloop AAA NiMH 800mAh rechargeable batteries 12 card
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    Panasonic

    AAA Panasonic Eneloop (HR55AAA / HR65AAA / HR75AAA) NiMH 800mAh Batteries (12 Card)

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    $36.99
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  • Bosch Li-ion replacement battery for cordless drill models
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    Bosch

    Bosch 14.4 Volt 3000 mAh Li-ion Replacement Battery

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    $36.99
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  • Power Portable 3.2V 18650 LiFePO4 button top batteries, pack of 4
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    Power Portable

    Power Portable 3.2V LiFePO4 18650 1500mAh Button Top Batteries - 4 Pack

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    $36.99
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  • Tenergy RCR123A 3.7V 650mAh rechargeable batteries 4-pack for Arlo cameras
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    Tenergy

    Tenergy RCR123A 3.7 Volt 650mAh Li-ion Batteries (4-Pack) (ARLO Certified)

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    $36.99
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  • AA NiMH Powerex PRO Rechargeable Batteries (2700 mAh) with Battery Case (8 Card) Wholesale & direct to consumer
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    Powerex

    AA NiMH Powerex PRO Rechargeable Batteries (2700 mAh) with Battery Case (8 Card)

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    $37.09
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  • 36-pack Energizer MAX AA batteries in card packaging
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    Energizer

    36-Pack AA Energizer MAX E91BP-2 (2 Card) Alkaline Batteries (18 Cards of 2)

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    $37.49
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  • Energizer MAX AAA alkaline batteries 36-pack, model E92BP-2
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    Energizer

    36-Pack AAA Energizer MAX E92BP-2 Alkaline Batteries (18 Cards of 2)

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    $37.49
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  • Panasonic 3V BR-2/3A battery pack for industrial use
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    Panasonic

    8-Pack Panasonic BR-2/3A Industrial Lithium Batteries

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    $37.59
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  • Toshiba CR2025 25-pack 3 volt lithium coin cell batteries
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    Toshiba

    25-Pack CR2025 Toshiba 3 Volt Lithium Coin Cell Batteries

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    $37.69
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  • Three Molicel P28A 18650 lithium ion batteries with spot welded tabs
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    Molicel

    3-Pack Molicel P28A 18650 3.6 Volt Lithium Ion Batteries (2800mAh) W/ Tabs

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    $37.69
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  • USB LiFePO4 battery charger with included 18650 cells
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    3.2V LiFePO4 2 Slot Battery Charger with 2x 18650 Button Top Batteries

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    $37.69
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  • 6 Volt 3500 mAh NiMH battery for Streamlight and Maglite flashlights

    Power Portable

    6 Volt NiMH Battery (3500 mAh) for Streamlight (SL20, SL20S, SL20X) & Maglite Flashlights

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  • 6-pack Energizer CR2 3 volt lithium batteries
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    Energizer

    6-Pack CR2 Energizer 3 Volt Lithium Battery

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    $37.69
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  • Toshiba CR2032 3 volt lithium coin cell batteries 25-pack
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    Toshiba

    CR2032 Toshiba 3 Volt Lithium Coin Cell Batteries (25-Pack)

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    $37.69
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  • Top view highlighting F2 Faston terminals on Duracell DUR12V-9 battery
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    Duracell

    Duracell DUR12V-9 9Ah 12 Volt AGM Sealed Lead Acid (SLA) Battery with F2 Terminals

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    $37.69
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  • FDK Sanyo CR12600SE 3V lithium battery front view
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    FDK

    FDK Sanyo CR12600SE 3V 1500mAh Lithium Battery, Button Top

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    $37.69
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Shop All Sizes
 

Exploring the Different Sizes of Batteries We Sell at Mega Batteries

 

At Mega Batteries, we understand that choosing the right battery size is crucial for the optimal performance of your devices. With a wide array of battery sizes available, we cater to various needs, from everyday household items to specialized equipment. 

 

1. AA Batteries

AA batteries are among the most commonly used batteries, powering everything from remote controls and toys to digital cameras. They typically provide a nominal voltage of 1.5 volts for alkaline versions and 1.2 volts for rechargeable NiMH types.

Applications: Ideal for low to moderate-drain devices, AA batteries offer reliable performance and longevity​.

 

2. AAA Batteries

AAA batteries are smaller than AA batteries but are equally versatile. They are used in devices like wireless mice, remote controls, and small flashlights. Their nominal voltage is also 1.5 volts for alkaline batteries and 1.2 volts for rechargeable variants.

Applications: Best suited for low-drain devices, AAA batteries are a staple in many households​.

 

3. C Batteries

C batteries are larger and provide more power than AA and AAA batteries. They are typically used in toys, flashlights, and portable radios, delivering a nominal voltage of 1.5 volts.

Applications: C batteries are ideal for high-drain devices, providing the necessary power for prolonged use​.

 

4. D Batteries

D batteries are among the largest cylindrical batteries, often found in high-drain devices such as large flashlights, boomboxes, and certain types of toys. They provide 1.5 volts and are known for their high capacity.

Applications: Suitable for devices that require long-lasting power, D batteries are commonly used in camping gear and emergency lighting​.

 

5. 9V Batteries

9V batteries are essential for devices that require a higher voltage, such as smoke detectors, guitar pedals, and some types of remote controls. They have a unique rectangular shape and provide a nominal voltage of 9 volts.

Applications: Widely used in safety devices and electronics requiring more power, 9V batteries are indispensable for home safety​.

 

6. 18650 Batteries

18650 batteries are cylindrical lithium-ion batteries that have gained popularity in high-drain devices like laptops, flashlights, and electric vehicles. They typically provide a nominal voltage of 3.7 volts.

Applications: These batteries are ideal for portable electronics and applications that demand high energy density​.

 

7. CR123A Batteries

CR123A batteries are lithium batteries used primarily in cameras, flashlights, and some security devices. They offer a nominal voltage of 3 volts and are known for their compact size and high energy density.

Applications: Often used in high-performance devices, CR123A batteries are ideal for photography and security systems​.

 

8. Specialty Batteries

In addition to standard sizes, we also offer specialty batteries for specific applications. These include:

Button Cell Batteries: Used in watches, hearing aids, and small electronic devices.
Solar Batteries: Designed for solar-powered systems, allowing efficient energy storage​.

Rechargeable Packs: Often used in power tools and electronic devices that require higher capacities​.

 

At Mega Batteries, we pride ourselves on providing a comprehensive selection of battery sizes to suit every need. From AA and AAA to 9V and specialty batteries, we offer high-quality power solutions that keep your devices running smoothly.

 

Explore our extensive inventory today to find the perfect battery size for your requirements! For more information and to shop for your battery needs, visit Mega Batteries.