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  • Close-up of Panasonic NCR26650A flat top terminal design
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    Panasonic NCR26650A 3.6V 5000mAh Flat Top Li-ion Battery

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    $15.69
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  • Samsung 30Q 18650 3.6V 3000mAh battery front view
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    Samsung

    Samsung 18650 30Q 3.6V 3000mAh Li-ion Rechargeable Battery

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    $15.69
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  • Samsung INR21700 40T 3.6V 4000mAh Button Top Li-ion Battery
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    Samsung

    Samsung INR21700 40T 3.6V 4000mAh Button Top Li-ion Battery

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    $15.69
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  • Sony headset battery replacement 2.4V 700mAh
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    Power Portable

    Sony BP-HP550-11 2.4V 700mAh NiMH Headphone Battery

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    $15.69
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  • Energizer MAX 12 AA and 8 AAA alkaline battery combo on cards
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    Energizer

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

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    $15.79
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  • Motorola Talkabout 4002 3.6V NiMH replacement battery

    Power Portable

    Motorola Talkabout 4002 (KEBT-071) 3.6 Volt Replacement NiMH Battery (800 mAh)

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  • Energizer and Duracell 2L76 CR1/3N 3V lithium batteries

    Energizer

    1 x Energizer + 1 x Duracell 2L76 (CR1/3N) 3 Volt Lithium Batteries (2 Total)

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  • Varta V350H rechargeable batteries with long shelf life
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    Varta

    3-Pack Varta V350H NIMH Button Batteries

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    $15.89
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  • Power Portable 4.8 Volt NiCd battery pack with Tamiya connector
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    Power Portable

    4.8 Volt NiCd Battery Pack (1000 mAh) with Tamiya Connector

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    $15.89
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  • 5-pack Renata 315 SR716SW silver oxide button batteries
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    Renata

    5-Pack 315 / SR716SW Renata Silver Oxide Button Batteries

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    $15.89
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  • Power Portable 18650 3.6V Li-Ion Battery with button top terminal
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    Power Portable

    18650 3.6v Li-Ion Battery 3400 mAh - Protected (Button Top)

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    $15.99
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  • Lishen 18650 3.6V 3000mAh button top battery front view
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    18650 3.6v Lishen 3000mAh li-ion Battery (Button Top)

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    $15.99
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  • 18650 M26 3.6 Volt 2600mAh Lithium Ion Battery (Button Top)
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    Korea Brand

    18650 M26 3.6 Volt 2600mAh Lithium Ion Battery (Button Top)

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    $15.99
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  • Titus ER26500 C battery with 8500mAh capacity
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    Titus

    3.6 Volt ER26500 Titus C Primary Lithium Battery (8500 mAh)

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    $15.99
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  • AAA NiMH Panasonic Eneloop 800 mAh Rechargeable Batteries (4 Card)
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    Panasonic

    AAA NiMH Panasonic Eneloop 800 mAh Rechargeable Batteries (4 Card)

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    $15.99
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  • Camelion AG10 LR54 button batteries 10 pack retail card
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    Camelion

    AG10 / 389 / 390 / LR54 Button Batteries (10 Card)

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    $15.99
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  • Camelion AG2 396 397 LR726 button batteries on 10-card pack
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    Camelion

    AG2 / 396 / 397 / LR726 Button Batteries (10 Card)

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    $15.99
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  • AG4 / 376 / 377 / LR66 Button Batteries (10 Card)
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    Camelion

    AG4 / 376 / 377 / LR66 Button Batteries (10 Card)

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    $15.99
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  • Camelion AG7 / 395 / 399 / LR927 button battery 10-card pack

    Camelion

    AG7 / 395 / 399 / LR927 Button Battery (10 Card)

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  • Camelion AG9 394 LR936 alkaline button batteries 10 card pack
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    Camelion

    AG9 / 394 / LR936 Button Batteries (10 Card)

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    $15.99
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  • Energizer MAX E95BP-8 D alkaline batteries 8-pack card
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    Energizer

    D Energizer MAX E95BP-8 Alkaline Batteries (8 Card)

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    $15.99
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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.