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  • Renata 384 SR41SW silver oxide button battery
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    Renata

    Renata 384 Silver Oxide Battery (1 Card)

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    $6.09
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  • Power Portable Sub C NiMH battery 2500 mAh flat top
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    Power Portable

    Sub C NiMH Battery (2500 mAh)

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    $6.09
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  • Duracell 377/376 silver oxide button batteries on a card
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    Duracell

    377 / 376 Duracell Silver Oxide Button Batteries (On a Card)

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    $6.19
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  • Panasonic AA 2100 mAh NiMH rechargeable battery HHR-210AAC4B

    Panasonic

    AA NiMH Panasonic 2100 mAh Rechargeable Battery (HHR-210AAC4B)

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  • Front view of Energizer CR2430 lithium coin cell battery on card
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    Energizer

    CR2430 Energizer Lithium Coin Cell 3 Volt Battery

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    $6.19
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  • Power Portable 1/2 Sub C NiCd Battery with Tabs front view
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    Power Portable

    Power Portable 1/2 Sub C 900mAh NiCd Battery with Tabs

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    $6.19
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  • Power Portable 1/3 AAA NiMH battery with tabs, 120 mAh
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    Power Portable

    1/3 AAA NiMH Battery with Tabs (120 mAh)

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    $6.29
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  • Power Portable 2/3 A NiMH battery with tabs, 1500 mAh
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    Power Portable

    2/3 A NiMH Battery with Tabs (1500 mAh)

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    $6.29
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  • Power Portable 2/3 AA NiCd button top battery, 300 mAh
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    Power Portable

    2/3 AA NiCd Button Top Battery (300 mAh)

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    $6.29
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  • Power Portable 2/3 AAA NiMH battery with tabs, 320 mAh
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    Power Portable

    2/3 AAA NiMH Battery with Tabs (320 mAh)

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    $6.29
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  • Energizer 364 SR621SW silver oxide button battery on card
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    Energizer

    364 / SR621SW Energizer Silver Oxide Button Battery (On a Card)

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    $6.29
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  • Sanyo HR-AUC NiMH flat top battery 2100 mAh
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    Sanyo

    A Sanyo (HR-AUC) NiMH Flat Top Battery (2100 mAh)

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    $6.29
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  • Power Portable AA NiMH battery with tabs for building battery packs
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    Power Portable

    AA NiMH Battery with Tabs (2200 mAh)

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    $6.29
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  • Energizer CR1216 3 volt lithium coin cell battery on a card
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    Energizer

    CR1216 Energizer 3 Volt Lithium Coin Cell Battery (On a Card)

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    $6.29
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  • Energizer 377 SR626SW silver oxide button battery card front
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    Energizer

    Energizer 377 / SR626SW Silver Oxide Button Battery - 1.55V (1 Card)

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    $6.49
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  • Power Portable 2/3 AAA NiCd button top battery 200 mAh
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    Power Portable

    2/3 AAA NiCd Button Top Battery (200 mAh)

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    $6.59
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  • Power Portable 2/3 AAA NiMH button top battery 200 mAh
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    Power Portable

    2/3 AAA NiMH Button Top Battery (200 mAh)

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    $6.59
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  • Renata 346 SR712SW silver oxide button battery
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    Renata

    346 / SR712SW Renata Silver Oxide Battery

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    $6.59
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  • Power Portable 4/5 Sub C NiMH battery with tabs, 2000 mAh
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    Power Portable

    4/5 Sub C NiMH Battery with Tabs (2000 mAh)

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    $6.59
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  • 40H 1.2V NiMH button cell battery with tabs
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    Power Portable

    40H 1.2 Volt NiMH Button Cell Battery (H40) with Tabs

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    $6.59
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  • Camelion 4LR44 6V alkaline battery for dog collars and cameras
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    Camelion

    4LR44 6 Volt Alkaline Battery (A544, PX28A) (Duracell 28A Replacement)

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    $6.59
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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.