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  • AAA Panasonic Eneloop NiMH 800 mAh Batteries (16 Card)
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    Panasonic

    AAA Panasonic Eneloop NiMH 800 mAh Batteries (16 Card)

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    $48.99
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  • Bosch 14.4 Volt 3000 mAh NiMH Replacement Battery
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    Bosch

    Bosch 14.4 Volt 3000 mAh NiMH Replacement Battery

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    $48.99
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  • Bosch 18 Volt 3000 mAh Li-ion Replacement Battery
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    Bosch

    Bosch 18 Volt 3000 mAh Li-ion Replacement Battery

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    $48.99
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  • Craftsman 19.2 Volt 5000 mAh Li-ion Replacement Battery
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    Craftsman

    Craftsman 19.2 Volt 5000 mAh Li-ion Replacement Battery

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    $48.99
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  • Dyson V6 21.6 Volt 3500mAh Li-Ion DYS-DC62-LI35 Replacement Battery Pack
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    Dyson

    Dyson V6 21.6 Volt 3500mAh Li-Ion DYS-DC62-LI35 Replacement Battery Pack

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    MSRP: $94.69
    $48.99
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  • 12-Pack A544 (4LR44) Energizer 6 Volt Alkaline Batteries
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    Energizer

    12-Pack A544 (4LR44) Energizer 6 Volt Alkaline Batteries

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    $49.09
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  • 4 x Duracell + 4 x Energizer CR123A 3 Volt Lithium Batteries (4 Cards Total)
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    Energizer

    4 x Duracell + 4 x Energizer CR123A 3 Volt Lithium Batteries (4 Cards Total)

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    $49.39
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  • 25-Pack Maxell CR1616 3V Lithium Batteries (5 Cards of 5)
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    Maxell

    25-Pack Maxell CR1616 3V Lithium Batteries (5 Cards of 5)

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    $49.49
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  • 25-Pack Maxell CR1620 3V Lithium Batteries (5 Cards of 5)
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    Maxell

    25-Pack Maxell CR1620 3V Lithium Batteries (5 Cards of 5)

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    $49.49
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  • 25-Pack Maxell CR1632 3V Lithium Batteries (5 Cards of 5)
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    Maxell

    25-Pack Maxell CR1632 3V Lithium Batteries (5 Cards of 5)

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    $49.49
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  • 8-Pack Energizer A23 12 Volt Alkaline (4 Cards of 2)
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    Energizer

    8-Pack Energizer A23 12 Volt Alkaline (4 Cards of 2)

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    $49.59
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  • 24 AA + 24 AAA Duracell Coppertop Alkaline Battery Combo

    Duracell

    24 AA + 24 AAA Duracell Coppertop Alkaline Battery Combo

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  • 12-Pack 2/3 AA NiMH 600 mAg Button Top Batteries
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    Power Portable

    12-Pack 2/3 AA NiMH 600 mAg Button Top Batteries

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    $49.99
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  • 12-Pack 4/5 Sub C NiMH Batteries with Tabs (2000 mAh)
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    Power Portable

    12-Pack 4/5 Sub C NiMH Batteries with Tabs (2000 mAh)

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    Was: $57.69
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  • 12-Pack A Sanyo (HR-AUC) NiMH Flat Top Batteries (2100 mAh)
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    Sanyo

    12-Pack A Sanyo (HR-AUC) NiMH Flat Top Batteries (2100 mAh)

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    $49.99
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  • 12-Pack AA NiMH Panasonic 2100 mAh (HHR-210AAC4B) Batteries

    Panasonic

    12-Pack AA NiMH Panasonic 2100 mAh (HHR-210AAC4B) Batteries

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  • 12-Pack Rayovac RL123A / Cr123A 3 Volt Lithium Battery (6 Cards of 2)
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    Rayovac

    12-Pack Rayovac RL123A / Cr123A 3 Volt Lithium Battery (6 Cards of 2)

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    $49.99
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  • 16-Pack 2/3 A Tenergy NiMH Flat Top Batteries (1400 mAh)
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    Tenergy

    16-Pack 2/3 A Tenergy NiMH Flat Top Batteries (1400 mAh)

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    $49.99
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  • 16-Pack CR2450 Rayovac 3 Volt Lithium Coin Cell Batteries (8 Cards of 2)
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    Rayovac

    16-Pack CR2450 Rayovac 3 Volt Lithium Coin Cell Batteries (8 Cards of 2)

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    $49.99
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  • 192-Pack AA Panasonic Heavy Duty Batteries (48 Cards of 4)
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    Panasonic

    192-Pack AA Panasonic Heavy Duty Batteries (48 Cards of 4)

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    $49.99
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  • 192-Pack AAA Panasonic Heavy Duty Batteries (48 Cards of 4)
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    Panasonic

    192-Pack AAA Panasonic Heavy Duty Batteries (48 Cards of 4)

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    $49.99
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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.