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  • Panasonic NCR18650GA 18650 Li-Ion battery with tabs front view
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    Panasonic

    18650 3.6v Panasonic 3500 mAh li-on Battery (NCR18650GA) W/ Tabs

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    $19.49
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  • EnerSys Cyclon 2V 2.5ah Sealed Lead Acid D Cell Battery front view
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    EnerSys

    EnerSys Cyclon 2V 2.5ah Sealed Lead Acid D Cell (0810-0004)

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    $19.49
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  • Mitsubishi CR17335SE-MC 3 volt lithium PLC battery with wire leads
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    Mitsubishi

    Mitsubishi CR17335SE-MC 3 Volt Lithium PLC Battery (Q6BAT)

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    $19.49
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  • Mitsubishi LS14500-MDS 3.6V lithium PLC battery with connector
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    Mitsubishi

    Mitsubishi LS14500-MDS 3.6 Volt Lithium PLC Battery (ER6V-C119B, MR-J3BAT)

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    $19.49
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  • Siemens 575332 3V lithium PLC battery with wire leads and connector
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    Siemens

    Siemens 575332 3 Volt Lithium PLC Battery (CR1/2AA-WSC)

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    $19.49
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  • Siemens A5E00331143 3V lithium PLC battery with wire leads
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    Siemens

    Siemens A5E00331143 / PCU50 3V Lithium PLC Battery (CR1/2AA-SWC)

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    $19.49
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  • Renata 321 SR616SW silver oxide button batteries 10-pack
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    Renata

    10-Pack 321 / SR616SW Renata Silver Oxide Button Batteries

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    $19.69
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  • Toshiba CR2025 10-pack 3 volt lithium coin cell batteries on card
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    Toshiba

    10-Pack CR2025 Toshiba 3 Volt Lithium Coin Cell Batteries

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    $19.69
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  • Top close-up of button terminal on Samsung 18650 Li-Ion battery
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    Samsung

    18650 3.6v Samsung 3500 mAh (35E) li-on Battery Protected (Button Top)

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    $19.69
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  • 5-pack Renata CR2430 3 volt lithium coin cell batteries
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    Renata

    5-Pack CR2430 Renata 3 Volt Lithium Coin Cell Batteries

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    $19.69
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  • Power Portable 6 Volt NiCd battery pack with tabs, 1000 mAh
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    Power Portable

    6 Volt NiCd Battery Pack with Tabs (1000 mAh)

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    $19.69
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  • Power Portable 1/3 AAA 150 mAh NiMH button top batteries
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    Power Portable

    6-Pack 1/3 AAA 150 mAh Button Top NiMH Batteries for Solar Lights

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    $19.69
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  • Energizer A76 LR44 alkaline button batteries 6-pack
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    Energizer

    6-Pack Energizer A76 / LR44 Alkaline Button Batteries

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    $19.69
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  • Power Portable 8-pack AAA NiMH rechargeable batteries, 400 mAh
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    Power Portable

    8-Pack AAA NiMH 400 mAh Rechargeable Batteries

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    $19.69
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  • 850 mAh AA battery pack for compatible RC cars
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    Power Portable

    9.6 Volt AA NiCd Battery Pack (850 mAh) with Tamiya Connector

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    $19.69
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  • Powerex PRO AA 2700mAh rechargeable batteries with battery case
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    Powerex

    AA NiMH Powerex PRO Rechargeable Batteries (2700 mAh) with Battery Case (4 Card)

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    $19.69
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  • Duracell Coppertop AAA alkaline batteries 16 pack

    Duracell

    AAA Duracell Coppertop Powerboost Alkaline (MN2400) Battery - (16 Pack)

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  • Toshiba CR2032 3V lithium coin cell batteries 10-pack
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    Toshiba

    CR2032 Toshiba 3 Volt Lithium Coin Cell Batteries (10-Pack)

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    $19.69
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  • Energizer CR123A 3 Volt Lithium Batteries 4 Card
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    Energizer

    Energizer CR123A 3 Volt Lithium Batteries (4 Card)

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    $19.69
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  • Fuji FBT030A 3.6V PLC Battery with 4-Hole Plug
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    Fuji

    Fuji FBT030A 3.6V PLC Battery with 4-Hole Plug

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    $19.69
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  • High-capacity Xeno XL-145F replacement battery
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    Xeno

    Xeno XL-145F 3.6V C 8.5Ah Lithium Battery with Tabs

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    $19.69
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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.