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  • Welch Allyn 72000 Replacement 2.4 Volt NiCd Medical Batteries for Welch Allyn Otoscope Handles
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    Welch Allyn

    Welch Allyn 72000 Replacement 2.4 Volt NiCd Medical Batteries for Welch Allyn Otoscope Handles

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    $32.99
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  • Energizer MAX alkaline battery combo pack with AA, AAA, and 9V cards
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    Energizer

    16 AA + 16 AAA + 2 9 Volt Energizer MAX Alkaline Battery Combo (On Cards)

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    $33.19
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  • Energizer and Duracell CR2 3V lithium battery combo pack
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    Energizer

    2 x Duracell + 2 x Energizer CR2 3 Volt Lithium Battery Combo (4 Total)

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    $33.19
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  • Panasonic Eneloop AA and AAA rechargeable battery combo
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    Panasonic

    4 x AA (2000 mAh) + 4 x AAA (800 mAh) NiMH Panasonic Eneloop Battery Combo

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    $33.19
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  • Panasonic AA NiMH rechargeable batteries 8-pack, 2100 mAh

    Panasonic

    8-Pack AA NiMH Panasonic 2100 mAh (HHR-210AAC4B) Batteries

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  • Energizer MAX alkaline battery combo pack with AA, AAA, C, D and 9V batteries
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    Energizer

    16 AA +12 AAA + 2 C + 2 D + 1 9 Volt Energizer MAX Alkaline Battery Combo (On Cards)

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    $33.39
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  • Energizer and Duracell 6 Volt spring top alkaline lantern batteries
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    Energizer

    1 x Energizer + 1 x Duracell 6 Volt Spring Top Alkaline Lantern Batteries

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    $33.69
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  • 12-pack of Panasonic CR2 3V lithium batteries arranged in a row
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    Panasonic

    12-Pack CR2 Panasonic Industrial 3 Volt Lithium Batteries

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    $33.69
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  • Sub C 1500 mAh NiCd rechargeable battery with tabs
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    Power Portable

    12-Pack Sub C NiCd 1500 mAh Batteries with Tabs

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    $33.69
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  • Power Portable ER18505 3.6V 3600mAh primary lithium batteries, 3-pack
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    Power Portable

    3-Pack 3.6 Volt ER18505 Primary Lithium Batteries (3600 mAh)

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    $33.69
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  • 3-pack Sanyo UF653450R 3.7V lithium ion rectangular batteries
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    Sanyo

    3-Pack 3.7 Volt Sanyo (UF653450R) Lithium Ion Rectangular Batteries (1100 mAh)

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    Was: $35.99
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  • 3-Pack Molicel P28A 18650 3.6 Volt Lithium Ion Batteries (2800mAh)
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    Molicel

    3-Pack Molicel P28A 18650 3.6 Volt Lithium Ion Batteries (2800mAh)

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    $33.69
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  • Duracell rechargeable AA and AAA battery combo pack
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    Duracell

    4 AA (2500 mAh) + 4 AAA (900 mAh) Duracell Rechargeable Battery Combo

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    $33.69
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  • Power Portable 6 Volt NiMH battery stick for Super Stinger and Ultra Stinger

    Power Portable

    6 Volt NiMH Battery Stick (3000 mAh) for Super Stinger & Ultra Stinger Flashlights

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  • Power Portable 6-pack 160H 1.2V NiMH button batteries
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    Power Portable

    6- Pack 160H 1.2 Volt NiMH Button Batteries

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    $33.69
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  • Duracell MN1604B1 6-pack 9 volt alkaline batteries
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    Duracell

    6-Pack 9 Volt Duracell MN1604B1 Alkaline Batteries

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    $33.69
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  • Power Portable 6-pack Sub C NiMH batteries with flat terminals
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    Power Portable

    6-Pack Sub C NiMH Batteries (3300 mAh)

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    $33.69
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  • Power Portable 6-pack Sub C NiMH paper wrapped batteries, 3300 mAh
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    Power Portable

    6-Pack Sub C NiMH Paper Wrapped Batteries (3300 mAh)

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    $33.69
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  • Power Portable 14430 LiFePO4 400mAh rechargeable battery pack
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    Power Portable

    8-Pack 3.2 Volt 14430 LiFePO4 400mAh Batteries

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    $33.69
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  • Power Portable 8-pack AA 3.2V 600mAh LiFePO4 batteries front view
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    Power Portable

    8-Pack AA 3.2 Volt 600 mAh LiFePO4 14500 Batteries

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    $33.69
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  • Xeno XL-205F 3.6V D 19Ah Lithium Battery Wholesale & direct to consumer
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    Xeno

    Xeno XL-205F 3.6V D 19Ah Lithium Battery

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    $33.69
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Size
 

Exploring the Different Sizes of Batteries We Sell at Mega Batteries

 

At Mega Batteries, we understand that selecting the right battery size is crucial for optimal performance in various devices. With a comprehensive selection of batteries across multiple sizes, we cater to a wide range of applications, from household electronics to specialized equipment. 

 

1. AA Batteries

Overview: AA batteries are one of the most common battery sizes, often used in household devices. They typically provide 1.5 volts and come in various chemistries, including alkaline and rechargeable NiMH.

Applications: Ideal for low to moderate-drain devices like remote controls, toys, and digital cameras.

Example Product: Duracell AA Alkaline Batteries are known for their reliability and long shelf life​.

 

2. AAA Batteries

Overview: Slightly smaller than AA batteries, AAA batteries also deliver 1.5 volts and are commonly found in devices that require less power.

Applications: Frequently used in remote controls, portable electronics, and small flashlights.

Example Product: Energizer AAA Batteries are popular for their consistent performance​.

 

3. C Batteries

Overview: C batteries are larger than AA and AAA batteries, typically used for higher-drain applications. They also provide 1.5 volts.

Applications: Commonly found in toys, radios, and flashlights where more power is needed over an extended period.

Example Product: Rayovac C Alkaline Batteries are designed for reliable use in demanding devices​.

 

4. D Batteries

Overview: D batteries are among the largest cylindrical batteries, offering high capacity for long-lasting power. They provide 1.5 volts and are ideal for very high-drain devices.

Applications: Often used in larger flashlights, boomboxes, and some types of medical equipment.

Example Product: Duracell D Alkaline Batteries deliver robust performance for extended periods​.

 

5. 9 Volt Batteries

Overview: 9 Volt batteries have a unique rectangular shape and provide 9 volts of power. They are commonly used in various electronic devices.

Applications: Frequently used in smoke detectors, musical instruments, and wireless microphones.

Example Product: Energizer 9V Lithium Battery is known for its long-lasting performance​.

 

6. 18650 Batteries

Overview: These cylindrical lithium-ion batteries are known for their high energy density and long life. They typically provide 3.7 volts.

Applications: Commonly used in laptops, flashlights, and electric vehicles.

Example Product: Panasonic 18650 Lithium-Ion Battery offers reliable power for high-drain applications​.

 

7. CR123A Batteries

Overview: CR123A batteries are compact lithium batteries that deliver 3 volts of power. They are known for their high performance in a small package.

Applications: Widely used in cameras, security systems, and flashlights.

Example Product: Duracell CR123A Lithium Battery provides excellent reliability for high-performance devices​.

 

8. Specialty Batteries

In addition to standard sizes, Mega Batteries offers various specialty batteries tailored for specific needs:

Button Cell Batteries: Small and commonly used in watches, hearing aids, and other small devices.
Rechargeable Packs: Designed for power tools and other high-capacity applications​.

 

 

At Mega Batteries, our extensive selection of battery sizes ensures that you can find the right power solution for any device. From standard AA and AAA batteries for everyday use to specialized 18650 and CR123A batteries for high-performance applications, we have the products you need to keep your devices running smoothly.

 

Understanding the different battery sizes is essential for selecting the right power source, ensuring your devices perform optimally. Explore our wide range of battery sizes today to find the perfect fit for your requirements! For more information and to shop for your battery needs, visit Mega Batteries.