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  • Power Portable Sub C 1500 mAh NiCd flat top battery
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    Power Portable

    Sub C NiCd Battery (1500 mAh)

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    $3.79
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  • Renata 377 / SR626SW silver oxide button batteries
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    Renata

    377 / SR626SW Renata Silver Oxide Button Batteries

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    $4.09
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  • Rayovac 392 SR41SW silver oxide button battery
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    Rayovac

    392 / SR41SW Rayovac Silver Oxide Button Battery

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    $4.09
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  • Rayovac 394 SR936SW silver oxide button battery
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    Rayovac

    394 / SR936SW Rayovac Silver Oxide Button Battery

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    $4.09
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  • Philips AA 1.5V lithium battery SKU 26791
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    Philips

    AA Philips 1.5V Lithium Battery

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    $4.09
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  • WinPow CR2 lithium battery for electronic equipment
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    WinPow

    CR2 WinPow 3 Volt Lithium Battery

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    $4.09
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  • Panasonic Heavy Duty D batteries 2 card pack

    Panasonic

    D Panasonic Heavy Duty Batteries (2 Card)

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  • Camelion LR1 N Size 1.5V alkaline battery front view
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    Camelion

    LR1 (N Size) 1.5 Volt Alkaline Battery

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    $4.09
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  • Panasonic Industrial CR123A lithium battery front view
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    Panasonic

    Panasonic Industrial CR123A 3V Lithium Battery (CR17345) - Long Lasting Power

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    $4.09
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  • Side profile of 1/2 AA NiMH 1.2V battery with flat top terminal
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    Power Portable

    Power Portable 1/2 AA NiMH 1.2V Flat Top Battery 800mAh

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    $4.09
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  • Power Portable 2/3 AAA NiMH flat top battery 320mAh front view
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    Power Portable

    2/3 AAA NiMH Flat Top Battery (320 mAh)

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    $4.19
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  • Renata 379 / SR63 silver oxide button battery
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    Renata

    379 / SR63 Renata Silver Oxide Button Battery

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    $4.19
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  • Power Portable AAA NiCd rechargeable battery 350 mAh
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    Power Portable

    AAA NiCd Battery (350 mAh)

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    $4.19
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  • Power Portable AAA NiMH rechargeable battery, 900 mAh, 1.2V
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    Power Portable

    AAA NiMH Battery (900 mAh)

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    $4.19
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  • Power Portable AAA NiMH rechargeable battery 700 mAh, SKU 19935
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    Power Portable

    AAA NiMH Rechargeable Battery (700 mAh)

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    $4.19
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  • Toshiba CR1632 3 volt lithium coin cell battery on a card
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    Toshiba

    CR1632 Toshiba 3 Volt Lithium Coin Cell Battery (On a Card)

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    $4.19
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  • Maxell 361 SR721W silver oxide button battery
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    Maxell

    361 / SR721W Maxell Silver Oxide Battery

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    $4.39
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  • Sanyo 1/3 AAA 50 mAh flat top NiCd rechargeable battery
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    Sanyo

    1/3 AAA Sanyo 50 mAh Flat Top NiCd (N50AAA) Battery

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    $4.49
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  • Power Portable 2/3 AA NiMH flat top rechargeable battery 700 mAh
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    Power Portable

    2/3 AA NiMH Flat Top Battery (700 mAh)

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    $4.49
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  • Renata 364 / SR621SW silver oxide button battery
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    Renata

    364 / SR621SW Renata Silver Oxide Button Battery

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    $4.49
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  • Rayovac 371 SR920SW silver oxide button battery
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    Rayovac

    371 / SR920SW Rayovac Silver Oxide Button Battery

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    $4.49
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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.