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  • Power Portable 18650 3.6v 2000mAh Protected Purple Button Top Battery
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    Power Portable

    18650 3.6V 2000mAh Protected Li-Ion Button Top Battery - Purple

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    $11.29
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  • Duracell AA and 9 Volt alkaline battery combo pack on cards
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    Duracell

    4 AA + 1 9 Volt Duracell Alkaline Battery Combo (On Cards)

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    $11.29
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  • Energizer MAX E91BP12 AA Alkaline Batteries 12 pack front view
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    Energizer

    AA Energizer MAX E91BP12 Alkaline Batteries (12 Card)

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    $11.29
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  • AAA Energizer MAX E92BP12 12-pack alkaline batteries on card
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    Energizer

    AAA Energizer MAX E92BP12 Alkaline Batteries (12 Card)

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    $11.39
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  • Duracell Coppertop AAA alkaline batteries 8 pack

    Duracell

    AAA Duracell Coppertop Powerboost Alkaline (MN2400) Battery - (8 Pack)

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  • Power Portable 18650 3.6V 2000mAh Li-Ion battery with button top
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    Power Portable

    18650 3.6 Volt 2000 mAh Li-Ion Battery - Protected (Button Top)

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    $11.69
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  • Side profile of 18650 2200mAh lithium ion rechargeable battery
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    Power Portable

    18650 3.7 Volt Lithium Ion Battery (2200 mAh)

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    $11.69
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  • Power Portable 18650 LiFePO4 battery with spot welded tabs
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    Power Portable

    3.2 Volt 18650 LiFePO4 Battery with Tabs (1100 mAh)

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    $11.69
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  • Power Portable 3.7V RCR123A 700mAh lithium battery front view
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    Power Portable

    3.7 Volt RCR123A (16340) Lithium Ion Battery (700 mAh)

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    $11.69
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  • Panasonic Heavy Duty battery combo pack with assorted sizes

    Panasonic

    4 AA + 4 AAA + 2 C + 2 D + 1 9V Panasonic Heavy Duty Battery Combo

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  • Chateau AAA NiMH 900 mAh rechargeable batteries, 2-card pack

    Chateau

    AAA Chateau NiMH 900 mAh Batteries (2 Card)

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  • Duracell AAA 900mAh NiMH rechargeable batteries, 2 pack
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    Duracell

    AAA Duracell 900mAh NiMH (DX2400) Rechargeable Battery (2 Pack)

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    $11.69
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  • Energizer CR123 3 volt lithium battery 2-card pack
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    Energizer

    CR123 (EL123A) Energizer 3 Volt Lithium Battery (2 Card)

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    $11.69
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  • CR2025 Energizer 3V lithium coin cell batteries 4 pack front view
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    Energizer

    CR2025 Energizer 3 Volt Lithium Coin Cell Batteries (4 Card)

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    $11.69
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  • Panasonic CRP2 6 Volt lithium battery sealed on retail card
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    Panasonic

    CRP2 (223A) Panasonic 6 Volt Lithium Battery (On a Card)

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    $11.69
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  • Rayovac Ultra Pro D alkaline batteries ALD-6 6 pack
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    Rayovac

    D Rayovac Ultra Pro Alkaline Battery - ALD-6 (6 Pack)

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    $11.69
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  • LS14250 ER14250 3.6V 1/2 AA lithium battery with pre-soldered leads
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    Power Portable

    LS14250 (ER14250) 3.6 Volt 1/2 AA Primary Lithium Battery with Leads (1200 mAh)

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    $11.69
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  • Panasonic CR2032 3 Volt Lithium Batteries (4 Card) *WIDE*
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    Panasonic

    Panasonic CR2032 3 Volt Lithium Batteries (4 Card) *WIDE*

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    $11.69
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  • Power Portable 3.7V 18350 Li-Ion button top battery front view
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    Power Portable

    Power Portable 3.7V 18350 Li-Ion Button Top Battery – 1200mAh High Capacity

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    $11.69
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  • Compact Power Portable Li-ion 18500 battery for electronics
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    Power Portable

    Power Portable 3.7V 18500 2000mAh Li-ion Rechargeable Battery (Button Top)

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    $11.69
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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.