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  • 24-Pack 357 / SR44W Rayovac Silver Oxide Button Batteries
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    Rayovac

    24-Pack 357 / SR44W Rayovac Silver Oxide Button Batteries

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    $49.99
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  • 24-Pack 9V Panasonic Powerline 6LR61AD1P Batteries consumer sales and volume pricing
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    Panasonic

    24-Pack 9V Panasonic Powerline 6LR61AD1P Batteries

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    $49.99
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  • 25-Pack 357 / SR44W Renata Silver Oxide Button Batteries
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    Renata

    25-Pack 357 / SR44W Renata Silver Oxide Button Batteries

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    $49.99
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  • 3-Pack 18650 3.6v Samsung 3500 mAh (35E) li-on Batteries
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    Samsung

    3-Pack 18650 3.6v Samsung 3500 mAh (35E) li-on Batteries

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    $49.99
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  • 3.6V 1 Amp QTC85PC3 Electrochem Lithium Battery (3B6880)
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    Electrochem

    3.6V 1 Amp QTC85PC3 Electrochem Lithium Battery (3B6880)

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  • 36-Pack A76 / LR44 Rayovac Alkaline Button Batteries (12 Cards of 3)
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    Rayovac

    36-Pack A76 / LR44 Rayovac Alkaline Button Batteries (12 Cards of 3)

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    $49.99
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  • 50-Pack 364 / SR621SW Renata Silver Oxide Button Batteries
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    Renata

    50-Pack 364 / SR621SW Renata Silver Oxide Button Batteries

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    $49.99
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  • 8 x AA (2000 mAh) + 4 x AAA (800 mAh) NiMH Panasonic Eneloop Battery Combo
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    Panasonic

    8 x AA (2000 mAh) + 4 x AAA (800 mAh) NiMH Panasonic Eneloop Battery Combo

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    $49.99
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  • Dyson V6 4.0Ah DYS-DC62-LI40 Replacement Battery Pack
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    Dyson

    Dyson V6 4.0Ah DYS-DC62-LI40 Replacement Battery Pack

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    MSRP: $94.69
    $49.99
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  • Dyson V7 21.6 Volt 3500mAh Li-Ion DYS-V7-LI35 Replacement Battery Pack
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    Dyson

    Dyson V7 21.6 Volt 3500mAh Li-Ion DYS-V7-LI35 Replacement Battery Pack

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    MSRP: $94.69
    $49.99
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  • Makita / AEG / Bosch 10.8 Volt / 12 Volt 4000 mAh Li-ion Replacement Battery
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    Makita

    Makita / AEG / Bosch 10.8 Volt / 12 Volt 4000 mAh Li-ion Replacement Battery

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  • Makita 14.4 Volt 4000 mAh Li-ion Replacement Battery
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    Makita

    Makita 14.4 Volt 4000 mAh Li-ion Replacement Battery

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    $49.99
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  • Makita 9.6 Volt 3500 mAh NiMH Replacement Battery (Rectangle)
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    Makita

    Makita 9.6 Volt 3500 mAh NiMH Replacement Battery (Rectangle)

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    $49.99
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  • Makita BL1015B 10.8 Volt 4000 mAh Li-ion Replacement Battery
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    Makita

    Makita BL1015B 10.8 Volt 4000 mAh Li-ion Replacement Battery

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    $49.99
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  • Roomba 500 14.8V 5.2Ah Li-ion Replacement Battery Pack
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    Roomba

    Roomba 500 14.8V 5.2Ah Li-ion Replacement Battery Pack

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    Was: $56.99
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  • 12-Pack 2/3 AAA NiMH 320 mAh Batteries with Tabs
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    Power Portable

    12-Pack 2/3 AAA NiMH 320 mAh Batteries with Tabs

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    $50.39
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  • 3.7 Volt Lithium Ion Battery Pack (6600 mAh) with Protection IC
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    Power Portable

    3.7 Volt Lithium Ion Battery Pack (6600 mAh) with Protection IC

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    $50.39
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  • 8 x AAA (1200 mAh) + 8 x AA (2700 mAh) NiMH Batteries
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    Power Portable

    8 x AAA (1200 mAh) + 8 x AA (2700 mAh) NiMH Batteries

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    $50.59
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  • 12-Pack ER14250 (LS14250) 1/2 AA 3.6 Volt 1200 mAh Primary Lithium Batteries consumer sales and volume pricing
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    Power Portable

    12-Pack ER14250 (LS14250) 1/2 AA 3.6 Volt 1200 mAh Primary Lithium Batteries

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    $50.69
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  • 2-Pack 3.2V 1500 mAh LiFeP04 Battery Pack consumer sales and volume pricing
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    Power Portable

    2-Pack 3.2V 1500 mAh LiFeP04 Battery Pack for Gama Sonic Solar Lights (Includes Male Adapter)

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    $50.69
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  • 6-Pack 14500 AA 3.7v 850 mAh Li-on Batteries (Button Top)
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    Power Portable

    6-Pack 14500 AA 3.7v 850 mAh Li-on Batteries (Button Top)

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    $50.89
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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.