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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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  • 18650 Tenergy 3.7V lithium ion button top battery with PCB protection
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    Tenergy

    18650 Tenergy Lithium Ion 3.7 Volt Button Top Battery with PCB Protection (2600 mAh)

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    $14.19
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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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  • Energizer Ultimate Lithium AA L91 batteries 4-pack front packaging
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    Energizer

    AA Energizer Ultimate Lithium (L91) Batteries (4-Card)

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    $14.29
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  • Energizer Ultimate AAA Lithium Batteries L92 4-card pack
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    Energizer

    AAA Energizer Ultimate (L92) Lithium Batteries (4-Card)

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    $14.29
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  • Panasonic CR2025 5-pack 3V lithium coin cell batteries in bulk pack
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    Panasonic

    5-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Battery

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    $14.49
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  • Energizer AA NiMH 2000 mAh rechargeable batteries, 4 pack
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    Energizer

    AA NiMH Energizer 2000 mAh Batteries (4 Card)

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    $14.49
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  • Energizer MAX AA E91BP16 16-pack batteries on retail card
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    Energizer

    AA Energizer MAX E91BP16 Alkaline Battery Combo (16 Card)

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    $14.59
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  • 18650 HE4 lithium ion battery with spot welded tabs
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    Korea Brand

    18650 HE4 3.6 Volt Lithium Ion Battery (2500 mAh) w /tabs

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    $14.69
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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.