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  • 8-pack Energizer Industrial 3V CR2 lithium batteries
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    Energizer

    8-Pack Energizer Industrial 3 Volt Lithium CR2 (ELN1CR2)

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    $38.99
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  • Panasonic Eneloop AA NiMH rechargeable batteries 12 pack front view
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    Panasonic

    AA Panasonic NiMH (2000mAh) Eneloop Batteries (12 Pack) (BK3MCCA12FA)

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    $38.99
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  • Energizer Ultimate Lithium AAA batteries L92 12-card pack
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    Energizer

    AAA Energizer Ultimate Lithium (L92) Batteries (12 Card)

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    $38.99
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  • Compact 3V GE Fanuc PLC backup battery for memory retention
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    GE Fanuc

    GE Fanuc IC693ACC301 Lithium PLC Battery

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    $38.99
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  • Makita replacement battery for compatible power tools
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    Makita

    Makita 14.4 Volt 3000 mAh NiMH Replacement Battery

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    $38.99
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  • Power Portable 12-pack AA NiMH 800mAh rechargeable batteries with tabs
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    Power Portable

    12-Pack AA NiMH 800 mAhRechargeable Batteries with Tabs

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    $39.49
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  • Panasonic CR-2477/HFN 3V lithium coin cell battery with horizontal PC pins
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    Panasonic

    5-Pack Panasonic BR2477/HFN 3V Lithium Coin Cell Battery w/ Pins

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    $39.49
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  • Duracell 12-pack 364 SR621SW silver oxide button batteries
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    Duracell

    12-Pack 364 / SR621SW Duracell Silver Oxide Button Batteries

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    $39.99
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  • Energizer A23 specialty batteries in 12-pack packaging
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    Energizer

    12-Pack A23 Energizer 12 Volt Alkaline Batteries

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    $39.99
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  • Power Portable 16-pack NiCd battery pack with tab-soldered cells
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    Power Portable

    16-Pack 4.8 Volt 5/4 AAA NiCd Battery Pack (50 mAh)

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    $39.99
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  • WinPow CR2 lithium battery pack with 16 pieces
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    WinPow

    16-Pack CR2 WinPow 3 Volt Lithium Batteries

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    $39.99
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  • 18-pack Eveready 9 Volt Super Heavy Duty batteries carded
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    Eveready

    18-Pack 9 Volt Eveready Super Heavy Duty Batteries (Carded)

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    $39.99
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  • 24-pack Camelion 23A A23 12-volt alkaline batteries
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    Camelion

    24-Pack 23A (A23) 12 Volt Alkaline Batteries

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    $39.99
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  • 24-pack Rayovac 357/303 silver oxide button batteries in card packaging
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    Rayovac

    24-Pack 357/303 Rayovac Silver Oxide Button Batteries LR44/A76 (8 Cards of 3)

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    $39.99
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  • Three Sanyo UR18650ZY 18650 lithium-ion batteries
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    Sanyo

    3-Pack 18650 Sanyo UR18650ZY Lithium-Ion Batteries (Low Profile Button)

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    $39.99
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  • Samsung 18650 3.7V lithium ion batteries with tabs, 3-pack
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    Samsung

    3-Pack 3.7 Volt Samsung 18650 Lithium Ion Batteries with Tabs (1500 mAh)

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    $39.99
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  • 3-pack AccuPower 9 Volt NiMH rechargeable batteries
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    AccuPower

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

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    $39.99
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  • Toshiba LR1130 AG10 389 alkaline button batteries 30-pack
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    Toshiba

    30-Pack LR1130 / AG10 / 389 Toshiba Alkaline Button Batteries (3 Cards of 10)

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    $39.99
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  • Toshiba LR41 AG3 alkaline button batteries 30-pack
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    Toshiba

    30-Pack LR41 / AG3 Toshiba Alkaline Button Batteries (3 Cards of 10)

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    $39.99
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  • Toshiba LR44 alkaline button batteries 30-pack, 3 cards of 10
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    Toshiba

    30-Pack LR44 Toshiba Alkaline Button Batteries (3 Cards of 10)

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    $39.99
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  • Energizer rechargeable AA and AAA NiMH battery combo pack
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    Energizer

    4 AA (2000mAh) + 4 x AAA (700mAh) Energizer Rechargeable NiMH Battery Combo

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    $39.99
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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.