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  • Welch Allyn 72200 Replacement 3.5 Volt NiCd Medical Battery for Welch Allyn Otoscope Handles
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    Welch Allyn

    Welch Allyn 72200 Replacement 3.5 Volt NiCd Medical Battery for Welch Allyn Otoscope Handles

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    $55.99
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  • Welch Allyn 72300 Replacement 3.5 Volt NiCd Medical Battery for Welch Allyn Otoscope Handles
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    Welch Allyn

    Welch Allyn 72300 Replacement 3.5 Volt NiCd Medical Battery for Welch Allyn Otoscope Handles

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    $55.99
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  • 3.7 Volt Lithium Ion Battery Pack (5200 mAh)  with Protection IC
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    Korea Brand

    3.7 Volt Lithium Ion Battery Pack (5200 mAh) with Protection IC

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    $56.59
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  • 18-Pack Energizer A76 / LR44 Alkaline Button Batteries
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    Energizer

    18-Pack Energizer A76 / LR44 Alkaline Button Batteries

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    $56.69
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  • GE Fanuc BR-2/3AGCT4A 6V Lithium PLC Battery (A98L-0031-0025)
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    Panasonic

    GE Fanuc BR-2/3AGCT4A 6V Lithium PLC Battery (A98L-0031-0025)

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    $56.69
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  • 2-Pack 3.2V 600 mAh (14500) consumer sales and volume pricing
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    Power Portable

    2-Pack 3.2V 600 mAh (14500) LiFeP04 Battery Pack for Gama Sonic Solar Lights

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    $56.99
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  • 36-Pack AAA Duracell Power Boost (MN2400) Alkaline Batteries consumer sales and volume pricing
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    Duracell

    36-Pack AAA Duracell Power Boost (MN2400) Alkaline Batteries

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    $56.99
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  • 5-Pack 18650 3.6v 2000 mAh li-ion - Protected (Button Top) - Purple
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    Power Portable

    5-Pack 18650 3.6v 2000 mAh li-ion - Protected (Button Top) - Purple

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    $56.99
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  • 6-Pack Tadiran TL-5101/S 3.6V 1/2 AA 950mAh Lithium Batteries (ER14250)
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    Tadiran

    6-Pack Tadiran TL-5101/S 3.6V 1/2 AA 950mAh Lithium Batteries (ER14250)

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    $56.99
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  • EnerSys Cyclon 2V 8ah Sealed Lead Acid E Cell (0850-0004)
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    EnerSys

    EnerSys Cyclon 2V 8ah Sealed Lead Acid E Cell (0850-0004)

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    $56.99
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  • 8 x AA (L91) + 4 x AAA (L92) Energizer Ultimate Lithium Batteries
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    Energizer

    8 x AA (L91) + 4 x AAA (L92) Energizer Ultimate Lithium Batteries

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    $57.29
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  • 3-Pack 18650 3.6v Lishen 2600mAh li-ion Batteries (Button Top)
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    Lishen

    3-Pack 18650 3.6v Lishen 2600mAh li-ion Batteries (Button Top)

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    $57.39
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  • 3-Pack Tadiran TL-5276/W 3.6V 1.0 Ah Lithium Batteries w/ 2 Pin Connector
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    Tadiran

    3-Pack Tadiran TL-5276/W 3.6V 1.0 Ah Lithium Batteries w/ 2 Pin Connector

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    $58.29
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  • 30 x Rayovac Size 312 + 30 x PowerOne Size P312 Hearing Aid Batteries (60 Total)
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    PowerOne

    30 x Rayovac Size 312 + 30 x PowerOne Size P312 Hearing Aid Batteries (60 Total)

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    $58.29
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  • 30 x Size 10 Rayovac + 30 x Size P10 PowerOne Hearing Aid Batteries (60 Total)
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    PowerOne

    30 x Size 10 Rayovac + 30 x Size P10 PowerOne Hearing Aid Batteries (60 Total)

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    $58.29
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  • 30 x Size 13 Rayovac + 30 x Size P13 PowerOne Hearing Aid Batteries (60 Total)
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    PowerOne

    30 x Size 13 Rayovac + 30 x Size P13 PowerOne Hearing Aid Batteries (60 Total)

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    $58.29
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  • 12-Pack AAAA Duracell MX2500 Alkaline Batteries (6 Cards of 2) consumer sales and volume pricing
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    Duracell

    12-Pack AAAA Duracell MX2500 Alkaline Batteries (6 Cards of 2)

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    $58.39
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  • 25-Pack Maxell CR2016 3V Lithium Batteries (5 Cards of 5)
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    Maxell

    25-Pack Maxell CR2016 3V Lithium Batteries (5 Cards of 5)

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    $58.39
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  • 25-Pack Maxell CR2025 3V Lithium Batteries (5 Cards of 5)
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    Maxell

    25-Pack Maxell CR2025 3V Lithium Batteries (5 Cards of 5)

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    $58.39
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  • 25-Pack Maxell CR2032 3V Lithium Batteries (5 Cards of 5)
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    Maxell

    25-Pack Maxell CR2032 3V Lithium Batteries (5 Cards of 5)

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    $58.39
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  • 3-Pack 18650 HE4 3.6 Volt Lithium Ion Batteries (2500 mAh)
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    Korea Brand

    3-Pack 18650 HE4 3.6 Volt Lithium Ion Batteries (2500 mAh)

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    $58.39
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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.