Size

  • Side profile of 32140 15Ah LiFePO4 rechargeable cell
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    Power Portable

    Power Portable 32140 3.2V 15Ah LiFePO4 Battery

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    $13.69
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  • Juice RCR2 3.6V rechargeable lithium ion battery for compatible cameras
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    Juice

    RCR2 3 Volt Lithium Ion Battery

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    $13.69
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  • Samsung INR21700 40T battery with tabs front view
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    Samsung

    Samsung INR21700 40T 3.6V 4000mAh Li-ion Battery w/Tabs

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    $13.69
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  • Box of 24 AA Energizer Industrial EN91 alkaline batteries
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    Energizer

    24-Pack AA Energizer Industrial (EN91) Alkaline Batteries

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    $13.79
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  • AccuPower 9 Volt NiMH rechargeable battery 300 mAh
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    AccuPower

    9 Volt AccuPower NiMH Battery (300 mAh)

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    $13.79
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  • Power Portable 2.4 volt NiCd battery pack with tabs, SKU 18512
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    Power Portable

    2.4 Volt NiCd Battery Pack (1000 mAh)

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    $13.89
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  • Renata 321 / SR616SW silver oxide button batteries 5-pack
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    Renata

    5-Pack 321 / SR616SW Renata Silver Oxide Button Batteries

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    $13.89
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  • 5-pack Renata 364 SR621SW silver oxide button batteries
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    Renata

    5-Pack 364 / SR621SW Renata Silver Oxide Button Batteries

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    $13.89
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  • Side view of Lishen 18650 2600mAh rechargeable Li-Ion battery
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    Lishen

    18650 3.6v Lishen 2600mAh li-ion Battery (Button Top)

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    $13.99
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  • Korea Brand 18650 HE4 3.6V 2500mAh lithium ion flat top battery
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    Korea Brand

    18650 HE4 3.6 Volt Lithium Ion Battery (2500 mAh)

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    $13.99
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  • Sanyo 2.4 Volt 2N-650SC NiCd battery pack front view
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    Sanyo

    2.4 Volt Sanyo (2N-650SC) NiCd Battery Pack (650 mAh)

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    $13.99
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  • Renata CR2016 3V lithium coin cell batteries 5-pack
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    Renata

    5-Pack CR2016 Renata 3 Volt Lithium Coin Cell Batteries

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    $13.99
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  • 5-pack Renata CR2025 3V lithium coin cell batteries
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    Renata

    5-Pack CR2025 Renata 3 Volt Lithium Coin Cell Batteries

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    $13.99
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  • DL-16 9 volt alkaline battery for Kaba Ilco Unican door locks
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    Power Portable

    DL-16 9 Volt Kaba Ilco Unican HTL2 Door Lock Battery

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    $13.99
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  • PowerHouse DL-2 6 Volt Saflok HTL1 style B door lock battery
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    PowerHouse

    DL-2 6 Volt Saflok HTL1 Style B Door Lock Alkaline Battery

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    $13.99
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  • PowerHouse DL-31 9V battery for VingCard Visionline door locks
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    PowerHouse

    DL-31 9V Electronic Door Lock Battery for VingCard Visionline & Intellikey (HTL18)

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    $13.99
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  • Duracell DL2032 3 volt lithium coin cell batteries 4 card pack
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    Duracell

    DL2032 Duracell 3 Volt Lithium Coin Cell Batteries (4 Card)

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    $13.99
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  • Duracell 4LR61 battery for key fobs and trackers
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    Duracell

    Duracell J-TYPE / 4LR61 / 7K76 6 Volt Battery

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    $13.99
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  • Tadiran TL-5276/W 3.6V lithium battery with 2 pin connector
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    Tadiran

    Tadiran TL-5276/W 3.6V 1.0 Ah Lithium Battery w/ 2 Pin Connector

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    $13.99
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  • Box of 24 Energizer EN92 AAA Industrial Alkaline Batteries
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    Energizer

    24-Pack AAA Energizer Industrial (EN92) Alkaline Batteries

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    $14.09
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  • Duracell DL2032 3 volt lithium coin cell batteries 4-pack
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    Duracell

    4-Pack DL2032 Duracell 3 Volt Lithium Coin Cell Batteries (2 Cards of 2)

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    $14.29
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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.