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  • Varta CR2/3AA 3 Volt lithium 2/3 AA battery
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    Varta

    Varta CR2/3AA 3 Volt Lithium 2/3 AA Battery

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    $9.69
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  • Energizer MAX AAA alkaline batteries 10 pack
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    Energizer

    AAA Energizer MAX E92CP10 Alkaline Batteries (10 Pack)

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    $9.79
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  • LR41 AG3 Enerstar alkaline button batteries 5 card package
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    Enerstar

    LR41 / AG3 Enerstar Alkaline Button Batteries (5 Card)

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    $9.79
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  • Power Portable 3.2V LiFePO4 18650 button top battery front view
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    Power Portable

    3.2 Volt LiFePO4 18650 Button Top Batteries (1200 mAh)

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    $9.89
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  • Tadiran TL-4903/S 3.6V AA lithium battery ER14505
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    Tadiran

    Tadiran TL-4903/S 3.6V AA 2.4 Ah Lithium Battery (ER14505)

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    $9.89
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  • Tadiran TL-5104/S 3.6V AA lithium battery ER14505
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    Tadiran

    Tadiran TL-5104/S 3.6V AA 2.1 Ah Lithium Battery (ER14505)

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    $9.89
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  • Tadiran TL-5902/S 3.6V 1/2 AA lithium battery ER14250
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    Tadiran

    Tadiran TL-5902/S 3.6V 1/2 AA 1.2 Ah Lithium Battery (ER14250)

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    $9.89
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  • Sanyo UR14500P 14500 AA flat top lithium-ion battery
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    Sanyo

    Sanyo UR14500P 14500 AA 3.7V 840mAh Flat Top Battery

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    $9.95
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  • Duracell 21/23 12 volt alkaline battery, 2-card pack
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    Duracell

    21/23 Duracell 12 Volt Alkaline Battery (2 Card)

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    $9.99
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  • Power Portable 3.2V 18650 LiFePO4 1500mAh rechargeable battery cell
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    Power Portable

    3.2 Volt 18650 LiFePO4 Battery (1500 mAh)

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    $9.99
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  • Camelion 379 SR63 silver oxide button batteries 5-pack

    Camelion

    5-Pack 379 (SR63) Silver Oxide Button Batteries

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  • Powerizer 9 Volt NiMH rechargeable battery 200 mAh
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    Powerizer

    9 Volt Powerizer NiMH Battery (200 mAh)

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    $9.99
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  • Panasonic CR2016 3 volt lithium coin cell batteries on 4-card pack
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    Panasonic

    CR2016 Panasonic 3 Volt Lithium Coin Cell Batteries (4 Card)

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    $9.99
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  • Panasonic CR2016 3V lithium coin cell batteries, 4 on a card
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    Panasonic

    CR2016 Panasonic 3 Volt Lithium Coin Cell Batteries (4 on a Card)

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    $9.99
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  • Panasonic CR2025 3 volt lithium coin cell batteries, 4-card pack
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    Panasonic

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

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    $9.99
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  • Panasonic CR2025 3 volt lithium coin cell batteries, 4 on a card
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    Panasonic

    CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries (4 on a Card)

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    $9.99
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  • CR2032 Panasonic 3 Volt Lithium Coin Cell Batteries (4 on a Card)
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    Panasonic

    CR2032 Panasonic 3 Volt Lithium Coin Cell Batteries (4 on a Card)

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    $9.99
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  • Energizer MAX E95BP-4 D alkaline batteries 4 pack on card
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    Energizer

    D Energizer MAX E95BP-4 Alkaline Batteries (4 Card)

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    $9.99
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  • Energizer A23 12 Volt Alkaline Batteries 2-card pack
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    Energizer

    Energizer A23 12 Volt Alkaline Batteries (2 Card)

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    $9.99
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  • Panasonic CR2032 3 volt lithium batteries 4 card pack
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    Panasonic

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

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    $9.99
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  • Varta CRAA 3 volt lithium AA battery for reliable device power
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    Varta

    Varta CRAA 3 Volt Lithium AA Battery

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    $9.99
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Size
 

Exploring the Different Sizes of Batteries We Sell at Mega Batteries

 

At Mega Batteries, we understand that selecting the right battery size is crucial for optimal performance in various devices. With a comprehensive selection of batteries across multiple sizes, we cater to a wide range of applications, from household electronics to specialized equipment. 

 

1. AA Batteries

Overview: AA batteries are one of the most common battery sizes, often used in household devices. They typically provide 1.5 volts and come in various chemistries, including alkaline and rechargeable NiMH.

Applications: Ideal for low to moderate-drain devices like remote controls, toys, and digital cameras.

Example Product: Duracell AA Alkaline Batteries are known for their reliability and long shelf life​.

 

2. AAA Batteries

Overview: Slightly smaller than AA batteries, AAA batteries also deliver 1.5 volts and are commonly found in devices that require less power.

Applications: Frequently used in remote controls, portable electronics, and small flashlights.

Example Product: Energizer AAA Batteries are popular for their consistent performance​.

 

3. C Batteries

Overview: C batteries are larger than AA and AAA batteries, typically used for higher-drain applications. They also provide 1.5 volts.

Applications: Commonly found in toys, radios, and flashlights where more power is needed over an extended period.

Example Product: Rayovac C Alkaline Batteries are designed for reliable use in demanding devices​.

 

4. D Batteries

Overview: D batteries are among the largest cylindrical batteries, offering high capacity for long-lasting power. They provide 1.5 volts and are ideal for very high-drain devices.

Applications: Often used in larger flashlights, boomboxes, and some types of medical equipment.

Example Product: Duracell D Alkaline Batteries deliver robust performance for extended periods​.

 

5. 9 Volt Batteries

Overview: 9 Volt batteries have a unique rectangular shape and provide 9 volts of power. They are commonly used in various electronic devices.

Applications: Frequently used in smoke detectors, musical instruments, and wireless microphones.

Example Product: Energizer 9V Lithium Battery is known for its long-lasting performance​.

 

6. 18650 Batteries

Overview: These cylindrical lithium-ion batteries are known for their high energy density and long life. They typically provide 3.7 volts.

Applications: Commonly used in laptops, flashlights, and electric vehicles.

Example Product: Panasonic 18650 Lithium-Ion Battery offers reliable power for high-drain applications​.

 

7. CR123A Batteries

Overview: CR123A batteries are compact lithium batteries that deliver 3 volts of power. They are known for their high performance in a small package.

Applications: Widely used in cameras, security systems, and flashlights.

Example Product: Duracell CR123A Lithium Battery provides excellent reliability for high-performance devices​.

 

8. Specialty Batteries

In addition to standard sizes, Mega Batteries offers various specialty batteries tailored for specific needs:

Button Cell Batteries: Small and commonly used in watches, hearing aids, and other small devices.
Rechargeable Packs: Designed for power tools and other high-capacity applications​.

 

 

At Mega Batteries, our extensive selection of battery sizes ensures that you can find the right power solution for any device. From standard AA and AAA batteries for everyday use to specialized 18650 and CR123A batteries for high-performance applications, we have the products you need to keep your devices running smoothly.

 

Understanding the different battery sizes is essential for selecting the right power source, ensuring your devices perform optimally. Explore our wide range of battery sizes today to find the perfect fit for your requirements! For more information and to shop for your battery needs, visit Mega Batteries.