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  • 12-Pack AA 3.7 Volt Lithium Ion 14500 Batteries with Tabs (750 mAh)
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    Power Portable

    12-Pack AA 3.7 Volt Lithium Ion 14500 Batteries with Tabs (750 mAh)

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    $72.99
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  • Front view of Energizer Recharge AA NiMH batteries
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    Energizer

    16-Pack AA Energizer Recharge NH15BP4 NiMH 2300 mAh Batteries (4 Cards of 4)

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    $72.99
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  • Duracell 24-pack 364 SR621SW silver oxide button batteries
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    Duracell

    24-Pack 364 / SR621SW Duracell Silver Oxide Button Batteries

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    $72.99
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  • 24-Pack AAA NiMH Panasonic 700 mAh HHR70AAAB7 Flat Top Rechargeable Batteries
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    Panasonic

    24-Pack AAA NiMH Panasonic 700 mAh HHR70AAAB7 Flat Top Rechargeable Batteries

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    $72.99
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  • 4-Pack 3.2V 600mAh LiFePO4 14500 batteries for Gama Sonic lights
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    Power Portable

    4-Pack 3.2V 600 mAh (14500) LiFeP04 Battery Pack for Gama Sonic Solar Lights

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    $72.99
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  • Roomba 500 14.8V Li-ion replacement battery pack
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    Roomba

    Roomba 500 14.8V 6.5Ah Li-ion Replacement Battery Pack

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    $72.99
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  • 60 x Size 10 Rayovac + 60 x Size P10 PowerOne Hearing Aid Batteries (120 Total)
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    PowerOne

    60 x Size 10 Rayovac + 60 x Size P10 PowerOne Hearing Aid Batteries (120 Total)

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    $73.49
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  • 60 x Size 13 Rayovac + 60 x Size P13 PowerOne Hearing Aid Batteries (120 Total)
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    PowerOne

    60 x Size 13 Rayovac + 60 x Size P13 PowerOne Hearing Aid Batteries (120 Total)

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    $73.49
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  • 60 x Size 312 Rayovac + 60 x Size P312 PowerOne Hearing Aid Batteries (120 Total)
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    PowerOne

    60 x Size 312 Rayovac + 60 x Size P312 PowerOne Hearing Aid Batteries (120 Total)

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    $73.49
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  • Powerizer 12-Pack Sub C NiMH 4500mAh flat top batteries set
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    Powerizer

    12-Pack Sub C Powerizer NiMH Batteries (4500 mAh)

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    Was: $78.99
    Now: $74.69
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  • 50-Pack AA NiCd 600 mAh Batteries
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    Power Portable

    50-Pack AA NiCd 600 mAh Batteries

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    $74.69
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  • Dyson V10 3.5Ah replacement battery pack for vacuum use
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    Dyson

    Dyson V10 3.5Ah DYS-V10-LI35 Replacement Battery Pack

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    $74.69
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  • Energizer Size 675 AZ675 hearing aid batteries 32 pack box
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    Energizer

    Size 675 Energizer (AZ675) Hearing Aid Batteries (32 pcs - 1 Box)

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    $74.69
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  • 5-Pack RFA-182 MicroLite Invisible Fence Brand Compatible Battery (A12, R21, R22, R51)
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    Fido's Fences

    5-Pack RFA-182 MicroLite Invisible Fence Brand Compatible Battery (A12, R21, R22, R51)

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    $74.89
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  • Panasonic BR1632A/VAN 3V lithium coin cell battery pack with pins
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    Panasonic

    12-Pack Panasonic BR1632A/VAN 3V Lithium Coin Cell Battery w/ Pins

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    $74.99
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  • AccuPower 6-pack 9V NiMH rechargeable batteries in packaging
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    AccuPower

    6-Pack 9 Volt AccuPower NiMH Batteries (300 mAh)

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    $74.99
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  • Pack of Powerizer CR123A lithium batteries for cameras
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    Powerizer

    48-Pack CR123A Powerizer 3 Volt Lithium Batteries

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    $75.19
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  • Six boxes of Duracell Procell AAA PX2400 alkaline batteries stacked
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    Duracell Procell

    144-Pack AAA Duracell Procell Intense PX2400 Alkaline Batteries (6 Boxes of 24)

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    $75.99
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  • Duracell Quantum AA alkaline batteries 96-pack, model QU1500B12

    Duracell

    96-Pack AA Duracell Quantum Alkaline Batteries (8 Cards of 12)

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  • Front view of Energizer N Size E90 alkaline battery packaging
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    Energizer

    24-Pack Energizer N Size (E90) 1.5 Volt Alkaline Batteries (12 Cards of 2)

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    $76.19
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  • Power Portable AA NiMH rechargeable batteries with spot welded tabs
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    Power Portable

    24-Pack AA NiMH 800 mAhRechargeable Batteries with Tabs

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    $76.59
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Size
 

Exploring the Different Sizes of Batteries We Sell at Mega Batteries

 

At Mega Batteries, we understand that selecting the right battery size is crucial for optimal performance in various devices. With a comprehensive selection of batteries across multiple sizes, we cater to a wide range of applications, from household electronics to specialized equipment. 

 

1. AA Batteries

Overview: AA batteries are one of the most common battery sizes, often used in household devices. They typically provide 1.5 volts and come in various chemistries, including alkaline and rechargeable NiMH.

Applications: Ideal for low to moderate-drain devices like remote controls, toys, and digital cameras.

Example Product: Duracell AA Alkaline Batteries are known for their reliability and long shelf life​.

 

2. AAA Batteries

Overview: Slightly smaller than AA batteries, AAA batteries also deliver 1.5 volts and are commonly found in devices that require less power.

Applications: Frequently used in remote controls, portable electronics, and small flashlights.

Example Product: Energizer AAA Batteries are popular for their consistent performance​.

 

3. C Batteries

Overview: C batteries are larger than AA and AAA batteries, typically used for higher-drain applications. They also provide 1.5 volts.

Applications: Commonly found in toys, radios, and flashlights where more power is needed over an extended period.

Example Product: Rayovac C Alkaline Batteries are designed for reliable use in demanding devices​.

 

4. D Batteries

Overview: D batteries are among the largest cylindrical batteries, offering high capacity for long-lasting power. They provide 1.5 volts and are ideal for very high-drain devices.

Applications: Often used in larger flashlights, boomboxes, and some types of medical equipment.

Example Product: Duracell D Alkaline Batteries deliver robust performance for extended periods​.

 

5. 9 Volt Batteries

Overview: 9 Volt batteries have a unique rectangular shape and provide 9 volts of power. They are commonly used in various electronic devices.

Applications: Frequently used in smoke detectors, musical instruments, and wireless microphones.

Example Product: Energizer 9V Lithium Battery is known for its long-lasting performance​.

 

6. 18650 Batteries

Overview: These cylindrical lithium-ion batteries are known for their high energy density and long life. They typically provide 3.7 volts.

Applications: Commonly used in laptops, flashlights, and electric vehicles.

Example Product: Panasonic 18650 Lithium-Ion Battery offers reliable power for high-drain applications​.

 

7. CR123A Batteries

Overview: CR123A batteries are compact lithium batteries that deliver 3 volts of power. They are known for their high performance in a small package.

Applications: Widely used in cameras, security systems, and flashlights.

Example Product: Duracell CR123A Lithium Battery provides excellent reliability for high-performance devices​.

 

8. Specialty Batteries

In addition to standard sizes, Mega Batteries offers various specialty batteries tailored for specific needs:

Button Cell Batteries: Small and commonly used in watches, hearing aids, and other small devices.
Rechargeable Packs: Designed for power tools and other high-capacity applications​.

 

 

At Mega Batteries, our extensive selection of battery sizes ensures that you can find the right power solution for any device. From standard AA and AAA batteries for everyday use to specialized 18650 and CR123A batteries for high-performance applications, we have the products you need to keep your devices running smoothly.

 

Understanding the different battery sizes is essential for selecting the right power source, ensuring your devices perform optimally. Explore our wide range of battery sizes today to find the perfect fit for your requirements! For more information and to shop for your battery needs, visit Mega Batteries.