Size

  • iRobot Roomba 4905 400 Series Vacuum 14.4 Volt 2.1 Ah NiCd Battery Pack
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    Roomba

    iRobot Roomba 4905 400 Series Vacuum 14.4 Volt 2.1 Ah NiCd Battery Pack

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    $33.79
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  • iRobot Roomba 500, 600, 700, 800 & 900 Series Vacuum 14.4 Volt 2.1 Ah NiCd Battery Pack

    Roomba

    iRobot Roomba 500, 600, 700, 800 & 900 Series Vacuum 14.4 Volt 2.1 Ah NiCd Battery Pack

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  • 9 Volt Energizer ULTIMATE Lithium L522BP Batteries (2 Card)
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    Energizer

    9 Volt Energizer ULTIMATE Lithium L522BP Batteries (2 Card)

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    $33.89
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  • 20-Pack CR2032 MaxPowerCell 3V Lithium Batteries (On Card)
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    MaxPowerCell

    20-Pack CR2032 MaxPowerCell 3V Lithium Batteries (On Card)

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    $33.99
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  • 4-Pack 2CR5 Panasonic 6 Volt Lithium Batteries
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    Panasonic

    4-Pack 2CR5 Panasonic 6 Volt Lithium Batteries

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    $33.99
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  • 48-Pack AA Westinghouse Dynamo Alkaline Batteries (12 Cards of 4)
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    Westinghouse

    48-Pack AA Westinghouse Dynamo Alkaline Batteries (12 Cards of 4)

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    $33.99
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  • 8-Pack AA NiMH Panasonic (Sanyo) Eneloop Low Discharge Batteries (2000 mAh)
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    Panasonic

    8-Pack AA NiMH Panasonic (Sanyo) Eneloop Low Discharge Batteries (2000 mAh)

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    $33.99
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  • 9.6 Volt Square NiMH Battery Pack (2200 mAh) with HiTech Connector

    Power Portable

    9.6 Volt Square NiMH Battery Pack (2200 mAh) with HiTech Connector

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  • CR2025 Energizer 3 Volt Lithium Coin Cell Batteries (20 Pieces - 1 Tray)
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    Energizer

    CR2025 Energizer 3 Volt Lithium Coin Cell Batteries (20 Pieces - 1 Tray)

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    $33.99
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  • 6-Pack A NiMH 2700 mAh Batteries with Tabs
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    Power Portable

    6-Pack A NiMH 2700 mAh Batteries with Tabs

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    $34.09
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  • 24 AA + 20 AAA Energizer MAX Alkaline Battery Combo (On Cards)
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    Energizer

    24 AA + 20 AAA Energizer MAX Alkaline Battery Combo (On Cards)

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    $34.19
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  • 4 x AA (2700 mAh) + 4 x AAA (1000 mAh) NiMH Powerex Rechargeable Batteries Combo consumer sales and volume pricing
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    Powerex

    4 x AA (2700 mAh) + 4 x AAA (1000 mAh) NiMH Powerex Rechargeable Batteries Combo

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    $34.29
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  • 20-Pack 9 Volt Sunrising Alkaline Batteries
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    Sunrising

    20-Pack 9 Volt Sunrising Alkaline Batteries

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    $34.39
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  • 5-Pack Panasonic CR2354/VCN 3V Lithium Coin Cell Battery w/ Pins
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    Panasonic

    5-Pack Panasonic CR2354/VCN 3V Lithium Coin Cell Battery w/ Pins

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    $34.49
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  • AA Energizer (L91) Lithium Batteries (12 Card)

    Energizer

    AA Energizer (L91) Lithium Batteries (12 Card)

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  • 10-Pack CR2430 Renata 3 Volt Lithium Coin Cell Batteries
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    Renata

    10-Pack CR2430 Renata 3 Volt Lithium Coin Cell Batteries

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    $34.69
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  • 12-Pack Duracell 76A Alkaline Button Battery (LR44, A76) consumer sales and volume pricing
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    Duracell

    12-Pack Duracell 76A Alkaline Button Battery (LR44, A76)

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    $34.69
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  • 12-Pack Toshiba CR2450 3V Lithium Batteries
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    Toshiba

    12-Pack Toshiba CR2450 3V Lithium Batteries

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    $34.69
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  • 16-Pack AAA NiCd 350mAh Batteries
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    Power Portable

    16-Pack AAA NiCd 350mAh Batteries

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    $34.69
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  • 3.2V 3000 mAh LiFeP04 Battery Pack consumer sales and volume pricing
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    Power Portable

    3.2V 3000 mAh LiFeP04 Battery Pack for Gama Sonic Solar Lights (Includes Male Adapter)

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    $34.69
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  • AA Powerex NiMH 2600 mAh Rechargeable Batteries (8 in a Battery Case) consumer sales and volume pricing

    Powerex

    AA Powerex NiMH 2600 mAh Rechargeable Batteries (8 in a Battery Case)

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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.