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  • 4-pack Toshiba CR2450 3V lithium coin cell batteries
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    Toshiba

    4-Pack Toshiba CR2450 3V Lithium Batteries

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    $14.69
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  • 5-pack Renata CR1216 3 volt lithium coin cell batteries

    Renata

    5-Pack CR1216 Renata 3 Volt Lithium Coin Cell Batteries

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  • 5-pack Renata CR1220 3V lithium coin cell batteries

    Renata

    5-Pack CR1220 Renata 3 Volt Lithium Coin Cell Batteries

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  • Rayovac 392 SR41SW silver oxide button battery 6-pack
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    Rayovac

    6-Pack 392 / SR41SW Rayovac Silver Oxide Button Batteries

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    $14.69
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  • UltraLife U9VL 9 volt lithium 1200mAh battery
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    UltraLife

    9 Volt Ultralife (U9VL) Lithium 1200mAh Battery

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    $14.69
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  • Duracell Coppertop Powerboost AA alkaline batteries 16 pack
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    Duracell

    AA Duracell Coppertop Powerboost Alkaline (MN1500) Battery - (16 Pack)

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    $14.69
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  • Power Portable C LS26500 ER26500 3.6V lithium battery
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    Power Portable

    C LS26500 (ER26500) 3.6 Volt Primary Lithium Battery (9000 mAh)

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    $14.69
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  • Molicel P28A 18650 battery with spot-welded tabs front view
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    Molicel

    Molicel P28A 18650 3.6 Volt Lithium Ion Battery (2800mAh) W/ Tabs

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    $14.69
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  • Power Portable RCR123A 3.6V 1000mAh rechargeable battery with PCB
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    Power Portable

    Power Portable RCR123A 3.6V 1000mAh Rechargeable Battery with PCB

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    $14.69
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  • Side profile of Samsung 25R 18650 2500mAh rechargeable battery
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    Samsung

    Samsung 25R 18650 3.7V 2500mAh Lithium Ion Rechargeable Battery

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    $14.69
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  • Samsung INR21700-50S 5000mAh flat top battery front view
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    Samsung

    Samsung INR21700-50S 3.6V 5000mAh Flat Top Battery

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    $14.69
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  • Tadiran TL-5135/P 3.6V 1/6D lithium battery with PC pins front view
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    Tadiran

    Tadiran TL-5135/P 3.6V 1/6D 1.7 Ah Lithium Battery w/ PC Pins

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    $14.69
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  • Duracell and Energizer CR123A 3 volt lithium batteries, 2 total.
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    Energizer

    1 x Duracell + 1 x Energizer CR123A 3 Volt Lithium Batteries (2 Total)

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    $14.79
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  • Power Portable rechargeable AAA and AA NiMH battery combo pack
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    Power Portable

    2 x AAA (1200 mAh) + 2 x AA (2700 mAh) NiMH Batteries

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    $14.79
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  • Energizer MAX alkaline battery combo pack with AA, AAA, and 9V batteries
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    Energizer

    8 AA + 4 AAA + 1 9 Volt Energizer MAX Alkaline Battery Combo (On Cards)

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    $14.79
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  • Renata CR1620 3 volt lithium coin cell batteries 5-pack
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    Renata

    5-Pack CR1620 Renata 3 Volt Lithium Coin Cell Batteries

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    $14.89
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  • Energizer D 2500 mAh NiMH rechargeable batteries, 2 card pack
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    Energizer

    D Energizer 2500 mAh NiMH Batteries (2 Card)

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    $14.89
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  • Power Portable 1.2V D battery for pack building
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    Power Portable

    D NiMH Battery with Tabs (10000 mAh)

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    $14.89
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  • Lishen 18650 3000mAh flat-top lithium-ion battery
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    Lishen

    18650 3.6v Lishen 3000 mAh li-on Battery

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    $14.99
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  • 4-pack Rayovac CR2450 3 volt lithium coin cell batteries
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    Rayovac

    4-Pack CR2450 Rayovac 3 Volt Lithium Coin Cell Batteries

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    $14.99
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  • Camelion 6-pack 23A A23 12 volt alkaline batteries
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    Camelion

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

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    $14.99
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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.