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  • 12-Pack Tadiran TL-2150/S 3.6V 1/2 AA 1 Ah Lithium Battery (ER14250)
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    Tadiran

    12-Pack Tadiran TL-2150/S 3.6V 1/2 AA 1 Ah Lithium Battery (ER14250)

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    $88.89
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  • 12 AA (2500 mAh) + 12 AAA (900 mAh) Duracell Rechargeable Battery Combo
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    Duracell

    12 AA (2500 mAh) + 12 AAA (900 mAh) Duracell Rechargeable Battery Combo

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    $89.29
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  • 11.1 Volt Lithium Ion Battery Pack (5200 mAh)  with Protection IC
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    Korea Brand

    11.1 Volt Lithium Ion Battery Pack (5200 mAh) with Protection IC

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    $89.59
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  • 7.4 Volt Lithium Ion Battery Pack (8800 mAh) with Protection IC & Leads
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    Power Portable

    7.4 Volt Lithium Ion Battery Pack (8800 mAh) with Protection IC & Leads

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    $89.59
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  • 100-Pack CR2025 Panaonsic 3 Volt Lithium Coin Cell Batteries
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    Panasonic

    100-Pack CR2025 Panaonsic 3 Volt Lithium Coin Cell Batteries

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    Was: $99.99
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  • 12-Pack C Tenergy Premium NiMH Batteries (5000 mAh)

    Tenergy

    12-Pack C Tenergy Premium NiMH Batteries (5000 mAh)

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  • 12-Pack DL123A / CR123A Duracell 3 Volt Lithium Battery
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    Duracell

    12-Pack DL123A / CR123A Duracell 3 Volt Lithium Battery

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    $89.99
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  • 12.8V 17Ah PUJIMAX LiFEp04 Rechargeable Battery Pack
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    pujimax

    12.8V 17Ah PUJIMAX LiFEp04 Rechargeable Battery Pack

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    MSRP: $310.49
    $89.99
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  • 16-Pack Panasonic BR-2/3A Industrial Lithium Batteries
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    Panasonic

    16-Pack Panasonic BR-2/3A Industrial Lithium Batteries

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    $89.99
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  • 2-Pack Makita 14.4 Volt 4000 mAh Li-ion Replacement Batteries
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    Makita

    2-Pack Makita 14.4 Volt 4000 mAh Li-ion Replacement Batteries

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    $89.99
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  • 2-Pack Welch Allyn 72250 Replacement 3.6 Volt NiCd Medical Batteries
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    Welch Allyn

    2-Pack Welch Allyn 72250 Replacement 3.6 Volt NiCd Medical Batteries

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    $89.99
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  • 24-Pack AA Tenergy NiMH 2500 mAh Rechargeable Batteries
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    Tenergy

    24-Pack AA Tenergy NiMH 2500 mAh Rechargeable Batteries

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    $89.99
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  • 24-Pack AAA AccuPower AccuLoop-X 1100 mAh NiMH Batteries (6 Cards of 4)
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    AccuPower

    24-Pack AAA AccuPower AccuLoop-X 1100 mAh NiMH Batteries (6 Cards of 4)

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    $89.99
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  • 24-Pack AAA AccuPower Micro 1200 mAh NiMH Battery (6 Cards of 4)
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    AccuPower

    24-Pack AAA AccuPower Micro 1200 mAh NiMH Battery (6 Cards of 4)

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    $89.99
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  • 48-Pack CR123 MaxPowerCell 3V Lithium Batteries
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    MaxPowerCell

    48-Pack CR123 MaxPowerCell 3V Lithium Batteries

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    $89.99
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  • 50-Pack 357 / SR44W Renata Silver Oxide Button Batteries
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    Renata

    50-Pack 357 / SR44W Renata Silver Oxide Button Batteries

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    $89.99
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  • 6-Pack 18650 3.6v Lishen 3000mAh li-ion Batteries (Button Top)
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    Lishen

    6-Pack 18650 3.6v Lishen 3000mAh li-ion Batteries (Button Top)

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    $89.99
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  • 6-Pack 3.7 Volt 26650 Li-Ion Batteries (5000 mAh)
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    Power Portable

    6-Pack 3.7 Volt 26650 Li-Ion Batteries (5000 mAh)

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    $89.99
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  • 6-Pack 9 Volt Lithium Ion Batteries (500 mAh)
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    Powerizer

    6-Pack 9 Volt Lithium Ion Batteries (500 mAh)

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    $89.99
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  • CR2032 Energizer 2-Card 3 Volt Lithium Coin Cell Batteries (Box of 24)
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    Energizer

    CR2032 Energizer 2-Card 3 Volt Lithium Coin Cell Batteries (Box of 24)

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    $89.99
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  • Makita XGT40V 40 Volt 3000 mAh Li-ion Replacement Battery
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    Makita

    Makita XGT40V 40 Volt 3000 mAh Li-ion Replacement Battery

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    $89.99
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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.