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  • UltraLife U9VL 9 volt lithium batteries 6-pack
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    UltraLife

    6-Pack 9 Volt Ultralife (U9VL) Lithium 1200mAh Batteries

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    $122.79
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  • Power Portable Sub-C NiCd rechargeable batteries, paper wrapped
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    Power Portable

    24-Pack Sub C 2200 mAh NiCd Paper Wrapped Batteries with Tabs

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    $123.19
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  • 6-pack 18650 M26 lithium ion batteries with tabs
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    Korea Brand

    6-Pack 18650 M26 3.6 Volt Lithium Ion Batteries with Tabs (2600 mAh)

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    $123.19
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  • Tadiran ER26500 LS26500 compatible battery set
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    Tadiran

    3-Pack Tadiran TL-5920/S 3.6V C 8.5 Ah Lithium Batteries (ER26500 / LS26500) with Tabs

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    $123.49
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  • 12-Pack Duracell DL123A 3 Volt Lithium Batteries (6 Cards of 2)
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    Duracell

    12-Pack Duracell DL123A 3 Volt Lithium Batteries (6 Cards of 2)

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    $124.19
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  • Duracell Activair DA10 Easy Tab Size 10 hearing aid batteries pack
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    Duracell

    120-Pack Size 10 Duracell Activair (DA10) Easy Tab Hearing Aid Batteries (20 Cards of 6)

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    Was: $128.39
    Now: $124.19
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  • Front view of Power Portable AA rechargeable AA battery pack
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    Power Portable

    50-Pack AA NiCd 700 mAh Rechargeable Batteries

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    $124.19
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  • Energizer MAX AA batteries packaged 4 per card
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    Energizer

    96-Pack AA Energizer MAX E91BP-4 Alkaline Batteries (24 Cards of 4)

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    $124.19
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  • 12-pack Tadiran TL-2150/S 3.6V 1/2 AA lithium batteries
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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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    $124.49
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  • 11.1V 5200mAh lithium ion battery pack 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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    $125.49
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  • Power Portable 7.4V 8800mAh lithium ion battery pack with leads

    Power Portable

    7.4V 8800mAh Lithium Ion Battery Pack with Protection IC & Leads

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  • 100-pack Panasonic BR2016 3V lithium coin cell batteries
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    Panasonic

    100-Pack BR2016 Panasonic 3 Volt Lithium Coin Cell Batteries

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    $125.99
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  • 12-pack Tenergy Premium C NiMH rechargeable batteries, 5000 mAh

    Tenergy

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

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  • 12-pack Duracell CR123A 3 volt lithium batteries on card
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    Duracell

    12-Pack DL123A / CR123A Duracell 3 Volt Lithium Battery

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    $125.99
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  • PUJIMAX LiFePO4 battery pack for UPS and solar use
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    pujimax

    12.8V 17Ah PUJIMAX LiFEp04 Rechargeable Battery Pack

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    $125.99
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  • Panasonic BR-2/3A 3V lithium batteries in 16-pack
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    Panasonic

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

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    $125.99
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  • Compatible Makita 14.4V tool battery set, 2 pieces
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    Makita

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

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    $125.99
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  • Front view of Roomba 5200mAh replacement battery
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    Roomba

    2-Pack Roomba 500 14.8V 5.2Ah Li-ion Replacement Battery Pack

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    Was: $139.99
    Now: $125.99
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  • 24-pack Tenergy AA NiMH 2500mAh rechargeable batteries neatly arranged
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    Tenergy

    24-Pack AA Tenergy NiMH 2500 mAh Rechargeable Batteries

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    $125.99
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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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    $125.99
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  • 24-pack AccuPower AAA 1200 mAh NiMH rechargeable batteries
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    AccuPower

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

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    $125.99
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Shop All Sizes
 

Exploring the Different Sizes of Batteries We Sell at Mega Batteries

 

At Mega Batteries, we understand that choosing the right battery size is crucial for the optimal performance of your devices. With a wide array of battery sizes available, we cater to various needs, from everyday household items to specialized equipment. 

 

1. AA Batteries

AA batteries are among the most commonly used batteries, powering everything from remote controls and toys to digital cameras. They typically provide a nominal voltage of 1.5 volts for alkaline versions and 1.2 volts for rechargeable NiMH types.

Applications: Ideal for low to moderate-drain devices, AA batteries offer reliable performance and longevity​.

 

2. AAA Batteries

AAA batteries are smaller than AA batteries but are equally versatile. They are used in devices like wireless mice, remote controls, and small flashlights. Their nominal voltage is also 1.5 volts for alkaline batteries and 1.2 volts for rechargeable variants.

Applications: Best suited for low-drain devices, AAA batteries are a staple in many households​.

 

3. C Batteries

C batteries are larger and provide more power than AA and AAA batteries. They are typically used in toys, flashlights, and portable radios, delivering a nominal voltage of 1.5 volts.

Applications: C batteries are ideal for high-drain devices, providing the necessary power for prolonged use​.

 

4. D Batteries

D batteries are among the largest cylindrical batteries, often found in high-drain devices such as large flashlights, boomboxes, and certain types of toys. They provide 1.5 volts and are known for their high capacity.

Applications: Suitable for devices that require long-lasting power, D batteries are commonly used in camping gear and emergency lighting​.

 

5. 9V Batteries

9V batteries are essential for devices that require a higher voltage, such as smoke detectors, guitar pedals, and some types of remote controls. They have a unique rectangular shape and provide a nominal voltage of 9 volts.

Applications: Widely used in safety devices and electronics requiring more power, 9V batteries are indispensable for home safety​.

 

6. 18650 Batteries

18650 batteries are cylindrical lithium-ion batteries that have gained popularity in high-drain devices like laptops, flashlights, and electric vehicles. They typically provide a nominal voltage of 3.7 volts.

Applications: These batteries are ideal for portable electronics and applications that demand high energy density​.

 

7. CR123A Batteries

CR123A batteries are lithium batteries used primarily in cameras, flashlights, and some security devices. They offer a nominal voltage of 3 volts and are known for their compact size and high energy density.

Applications: Often used in high-performance devices, CR123A batteries are ideal for photography and security systems​.

 

8. Specialty Batteries

In addition to standard sizes, we also offer specialty batteries for specific applications. These include:

Button Cell Batteries: Used in watches, hearing aids, and small electronic devices.
Solar Batteries: Designed for solar-powered systems, allowing efficient energy storage​.

Rechargeable Packs: Often used in power tools and electronic devices that require higher capacities​.

 

At Mega Batteries, we pride ourselves on providing a comprehensive selection of battery sizes to suit every need. From AA and AAA to 9V and specialty batteries, we offer high-quality power solutions that keep your devices running smoothly.

 

Explore our extensive inventory today to find the perfect battery size for your requirements! For more information and to shop for your battery needs, visit Mega Batteries.