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  • 5-Pack 379 (SR63) Silver Oxide Button Batteries
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    Camelion

    5-Pack 379 (SR63) Silver Oxide Button Batteries

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    $9.99
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  • 9 Volt Powerizer NiMH 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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  • CR2016 Panasonic 3 Volt Lithium Coin Cell Batteries (4 Card)
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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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  • CR2016 Panasonic 3 Volt 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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  • CR2025 Energizer 3 Volt Lithium Coin Cell Batteries (4 Card)
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    Energizer

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

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    $9.99
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  • CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries (4  Card)
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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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  • CR2025 Panasonic 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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  • D Energizer MAX E95BP-4 Alkaline Batteries (4 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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  • 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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    $9.99
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  • Varta CRAA 3 Volt Lithium AA Battery
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    Varta

    Varta CRAA 3 Volt Lithium AA Battery

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    $9.99
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  • CRP2 (223A) Panasonic 6 Volt Lithium Battery (On a Card)
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    Panasonic

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

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    $10.19
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  • LR41 / AG3 Camelion Alkaline Button Batteries (5 Pack)
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    Camelion

    LR41 / AG3 Camelion Alkaline Button Batteries (5 Pack)

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    $10.19
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  • 1 x Energizer + 1 x Duracell CR2430/DL2430 3 Volt Lithium Coin Cell
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    Energizer

    1 x Energizer + 1 x Duracell CR2430/DL2430 3 Volt Lithium Coin Cell

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    $10.29
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  • D NiCd Battery (5000 mAh)
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    Power Portable

    D NiCd Battery (5000 mAh)

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    $10.39
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  • 396 / 397 (SR59) Silver Oxide Button Batteries (5 Card)
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    Camelion

    396 / 397 (SR59) Silver Oxide Button Batteries (5 Card)

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    $10.49
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  • AAA NiMH Rayovac 600 mAh Batteries (4 Card)
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    Rayovac

    AAA NiMH Rayovac 600 mAh Batteries (4 Card)

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    $10.49
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  • Rayovac RL123A / Cr123A 3 Volt Lithium Battery (2 Card)
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    Rayovac

    Rayovac RL123A / Cr123A 3 Volt Lithium Battery (2 Card)

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    $10.49
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  • 8 AA + 4 AAA Energizer MAX Alkaline Battery Combo (On Cards)
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    Energizer

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

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    $10.59
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  • 18650 Toshiba 3.6 Volt Lithium Ion Battery w/tabs (1650 mAh)
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    Toshiba

    18650 Toshiba 3.6 Volt Lithium Ion Battery w/tabs (1650 mAh)

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    $10.69
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  • 3.6 Volt RCR123A (16340) Powerizer Lithium Ion Battery (650 mAh)
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    Powerizer

    3.6 Volt RCR123A (16340) Powerizer Lithium Ion Battery (650 mAh)

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    $10.69
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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.