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  • AAA NiMH Energizer Recharge 800 mAh Batteries (2 Card)
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    Energizer

    AAA NiMH Energizer Recharge 800 mAh Batteries (2 Card)

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    $18.39
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  • LIR2450 3.6 Volt Lithium Ion Button Battery
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    PKCell

    LIR2450 3.6 Volt Lithium Ion Button Battery

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    $18.39
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  • 9 Volt Energizer MAX 522BP4 Alkaline Batteries (4 Card)

    Energizer

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

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  • 9V Rayovac Ultra Pro Alkaline Battery
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    Rayovac

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

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    $18.49
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  • 8 AA + 8 AAA Energizer MAX Alkaline Battery Combo (On Cards)
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    Energizer

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

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    $18.69
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  • 12-Pack D Chateau Heavy Duty Batteries (4 Cards of 3)
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    Chateau

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

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    $18.89
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  • 18650 Sanyo UR18650ZY Lithium-Ion Battery (Low Profile Button)
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    Sanyo

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

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    $18.89
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  • 3.7 Volt Samsung 18650 Lithium Ion Battery with Tabs (1500 mAh)
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    Samsung

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

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    $18.89
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  • 5-Pack BR1216 Panasonic 3 Volt Lithium Coin Cell Battery
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    Panasonic

    5-Pack BR1216 Panasonic 3 Volt Lithium Coin Cell Battery

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    $18.89
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  • 5-Pack BR1616 Panasonic 3 Volt Lithium Coin Cell Battery
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    Panasonic

    5-Pack BR1616 Panasonic 3 Volt Lithium Coin Cell Battery

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    $18.89
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  • 5-Pack CR2032 Panasonic 3 Volt Lithium Coin Cell Battery
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    Panasonic

    5-Pack CR2032 Panasonic 3 Volt Lithium Coin Cell Battery

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    $18.89
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  • F NiCd Flat Top Battery (7000 mAh)
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    Power Portable

    F NiCd Flat Top Battery (7000 mAh)

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    $18.89
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  • RFA-188 Rayovac PetSafe Compatible Fence & Dog Collar Lithium Battery
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    Rayovac

    RFA-188 Rayovac PetSafe Compatible Fence & Dog Collar Lithium Battery

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    $18.89
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  • 18650 3.6 Volt 2300 mAh Li-Ion Battery - Protected (Button Top)
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    Power Portable

    18650 3.6 Volt 2300 mAh Li-Ion Battery - Protected (Button Top)

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    $19.19
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  • 3.7 Volt Samsung 18650 Lithium Ion Battery (1500 mAh)
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    Samsung

    3.7 Volt Samsung 18650 Lithium Ion Battery (1500 mAh)

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    $19.19
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  • 4-Pack AA Energizer Industrial Lithium (LN91 / L91) Batteries
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    Energizer

    4-Pack AA Energizer Industrial Lithium (LN91 / L91) Batteries

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    $19.19
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  • 5-Pack 362 / 361 /SR721SW Renata Silver Oxide Button Batteries
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    Renata

    5-Pack 362 / 361 /SR721SW Renata Silver Oxide Button Batteries

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    $19.19
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  • 5-Pack 394 (SR936SW) Renata Silver Oxide Button Batteries
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    Renata

    5-Pack 394 (SR936SW) Renata Silver Oxide Button Batteries

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    $19.19
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  • 5-Pack 395 / SR57 Renata Silver Oxide Button Batteries
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    Renata

    5-Pack 395 / SR57 Renata Silver Oxide Button Batteries

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    $19.19
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  • 6-Pack 9 Volt Panasonic Heavy Duty Batteries (Carded)

    Panasonic

    6-Pack 9 Volt Panasonic Heavy Duty Batteries (Carded)

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  • 6-Pack CR2032 Rayovac 3 Volt Lithium Coin Cell Batteries (3 Cards of 2)
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    Rayovac

    6-Pack CR2032 Rayovac 3 Volt Lithium Coin Cell Batteries (3 Cards of 2)

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    $19.19
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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.