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  • Xeno XL-060F primary lithium batteries for sensors and backups
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    Xeno

    3-Pack Xeno XL-060F 3.6V AA 2.4Ah Lithium Batteries with Axial Leads

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    $21.99
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  • Power Portable 3.6V NiCd battery stick for Streamlight Stinger flashlights
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    Power Portable

    3.6 Volt NiCd Battery Stick (1800 mAh) for Flashlights (Streamlight Stinger HP, XT, PolyStinger)

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    $21.99
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  • Power Portable 3.7V 26650 Li-Ion Battery 5000mAh flat terminal
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    Power Portable

    3.7 Volt 26650 Li-Ion Battery (5000 mAh)

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    $21.99
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  • Panasonic 18650 3.7V 3400mAh lithium ion button top battery with PCB
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    Panasonic

    3.7 Volt Panasonic 18650 Lithium Ion Button Top Battery (3400 mAh) with PCB Protection

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    $21.99
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  • Panasonic CR2330 3V lithium coin cell battery 5-pack
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    Panasonic

    5-Pack CR2330 Panasonic 3 Volt Lithium Coin Cell Battery

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    $21.99
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  • 5-Pack CR2450 Panasonic 3 Volt Lithium Coin Cell Battery
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    Panasonic

    5-Pack CR2450 Panasonic 3 Volt Lithium Coin Cell Battery

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    $21.99
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  • Duracell 6-pack 364 SR621SW silver oxide button batteries front view
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    Duracell

    6-Pack 364 / SR621SW Duracell Silver Oxide Button Batteries

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    $21.99
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  • Duracell Coppertop C alkaline batteries 14 pack
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    Duracell

    C Duracell Coppertop Alkaline (MN1400) Battery - (14 Pack)

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    $21.99
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  • Exell A19PX 4.5 Volt Battery (V19PX, 531, RPX19, EPX19)
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    Exell

    Exell A19PX 4.5 Volt Battery (V19PX, 531, RPX19, EPX19)

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    $21.99
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  • Exell A24PX 3 Volt Battery (V24PX, RPX24, 532, PX24, EPX24, 2LR50)
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    Exell

    Exell A24PX 3 Volt Battery (V24PX, RPX24, 532, PX24, EPX24, 2LR50)

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    $21.99
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  • Mitsubishi F2-40BL lithium PLC battery for memory backup
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    Mitsubishi

    Mitsubishi F2-40BL 3.6V Lithium PLC Battery

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    $21.99
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  • Panasonic CR123A battery pack with 10-year shelf life
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    Panasonic

    Panasonic CR123A 3V Lithium Batteries, 8-Pack | Long-Lasting Power

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    $21.99
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  • Panasonic NCR18650B 3.7V 3400mAh flat top lithium ion battery
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    Panasonic

    Panasonic NCR18650B 3.7V 3400mAh 18650 Li-Ion Rechargeable Battery

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    $21.99
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  • Varta Mempac 2/V150H 2.4V NiMH backup battery

    Varta

    Varta Mempac 2/V150H 2.4 Volt NiMH (55615 702 012) Battery

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  • Varta 3/V80H 3P 3.6V NiMH 3 pin battery
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    Varta

    Varta 3/V80H 3P 3.6 Volt 3 Pin NiMH Battery

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    $22.19
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  • Powerizer CR123A 3 Volt lithium batteries 12-pack
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    Powerizer

    12-Pack CR123A Powerizer 3 Volt Lithium Batteries

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    $22.29
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  • 3.7 Volt IMR 21700 Lithium Ion Battery (5000 mAh) with Tabs
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    Korea Brand

    3.7 Volt IMR 21700 Lithium Ion Battery (5000 mAh) with Tabs

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    $22.39
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  • 7.2V 700 mAh Li-Ion 14430 Battery Pack - With Protection IC
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    Power Portable

    7.2V 700 mAh Li-Ion 14430 Battery Pack - With Protection IC

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    $22.39
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  • Panasonic Sanyo NCR 20700B 3.7V 4250mAh lithium-ion battery
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    Panasonic

    Sanyo / Panasonic 20700B 3.7V Lithium Ion Battery (4250 mAh)

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    $22.39
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  • Power Portable 32650 3.2V LiFePO4 battery with flat ends
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    Power Portable

    3.2 Volt 32650 LiFePO4 Battery (5000 mAh)

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    $22.49
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  • Panasonic BR2330 3V lithium coin cell battery 5-pack front view
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    Panasonic

    5-Pack BR2330 Panasonic 3 Volt Lithium Coin Cell Battery

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    $22.49
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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.