Size

  • Black & Decker replacement drill battery with 3000 mAh capacity
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    Black & Decker

    Black & Decker 14.4 Volt 3000 mAh NiMH Replacement Battery

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    $39.99
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  • Welch Allyn 72200 battery shown from the side
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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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    $39.99
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  • Welch Allyn 72300 battery side profile on white background
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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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    $39.99
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  • Korea Brand 3.7V 5200mAh lithium ion battery pack 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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    $40.39
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  • Front view of Energizer A76 LR44 18-pack button batteries
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    Energizer

    18-Pack Energizer A76 / LR44 Alkaline Button Batteries

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    $40.49
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  • A98L-0031-0025 wire lead lithium backup battery
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    Panasonic

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

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    $40.49
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  • Close-up of Duracell MN2400 AAA battery packaging
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    Duracell

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

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    $40.69
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  • Purple Power Portable 18650 protected button top battery pack
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    Power Portable

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

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    $40.69
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  • 6-Pack Sub C Powerizer NiMH Batteries (4500 mAh)
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    Powerizer

    6-Pack Sub C Powerizer NiMH Batteries (4500 mAh)

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    $40.69
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  • 6-pack Tadiran TL-5101/S 3.6V 1/2 AA lithium batteries
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    Tadiran

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

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    $40.69
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  • EnerSys Cyclon 2V 8Ah sealed lead acid E cell battery
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    EnerSys

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

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    $40.69
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  • FDK CR12600SE lithium PLC battery with brown plug
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    FDK

    FDK CR12600SE 3V Lithium PLC Battery with Brown Plug

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    $40.69
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  • Tadiran TL-4930/S XOL Series 3.6V D 19 Ah Lithium Battery (LSH20 / LS33600) Wholesale & direct to consumer
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    Tadiran

    Tadiran TL-4930/S XOL Series 3.6V D 19 Ah Lithium Battery (LSH20 / LS33600)

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    $40.69
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  • Energizer MAX alkaline battery combo pack with AA, AAA, C, D and 9V sizes
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    Energizer

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

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    $40.89
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  • Energizer Ultimate Lithium AA and AAA battery pack
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    Energizer

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

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    $40.89
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  • 3-pack Lishen 18650 button top lithium-ion batteries
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    Lishen

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

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    $40.99
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  • Panasonic 2CR5 6 Volt lithium batteries 4-pack
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    Panasonic

    4-Pack 2CR5 Panasonic 6 Volt Lithium Batteries

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    $40.99
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  • 3-pack Tadiran TL-5276/W 3.6V lithium battery pack with 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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    $41.59
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  • Rayovac and PowerOne Size 312 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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    $41.59
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  • Rayovac and PowerOne Size 10 hearing aid batteries pack
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    PowerOne

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

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    $41.59
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  • Rayovac and PowerOne Size 13 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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    $41.59
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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.