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  • 40H 1.2V NiMH button cell battery with tabs
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    Power Portable

    40H 1.2 Volt NiMH Button Cell Battery (H40) with Tabs

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    $4.69
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  • Camelion 4LR44 6V alkaline battery for dog collars and cameras
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    Camelion

    4LR44 6 Volt Alkaline Battery (A544, PX28A) (Duracell 28A Replacement)

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    $4.69
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  • Energizer A544 6 volt alkaline battery for compatible devices
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    Energizer

    A544 (4LR44) Energizer 6 Volt Alkaline Battery

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    $4.69
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  • Panasonic Eneloop AA 2000mAh rechargeable battery
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    Panasonic

    AA NiMH Panasonic (Sanyo) Eneloop Rechargeable Battery (2000 mAh) Low Discharge

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    $4.69
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  • Energizer MAX AAA E92BP-4 alkaline batteries four pack card
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    Energizer

    AAA Energizer MAX E92BP-4 Alkaline Batteries (4 Card)

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    $4.69
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  • Power Portable AAA NiMH battery with tabs, 900 mAh
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    Power Portable

    AAA NiMH Battery with Tabs (900 mAh)

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    $4.69
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  • Energizer CR1225 3 volt lithium coin cell battery
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    Energizer

    CR1225 Energizer 3 Volt Lithium Coin Cell Battery

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    $4.69
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  • Energizer CR2016 3V lithium coin cell battery in retail card packaging
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    Energizer

    CR2016 Energizer 3 Volt Lithium Coin Cell Battery (1 Card)

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    $4.69
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  • Energizer CR2025 lithium coin cell battery in retail card packaging
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    Energizer

    CR2025 Energizer 3 Volt Lithium Coin Cell Battery (1 Card)

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    $4.69
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  • Energizer CR2032 3V lithium coin cell battery in retail card packaging
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    Energizer

    Energizer CR2032 3V Lithium Coin Cell Battery, 1-Pack Card

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    $4.69
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  • Panasonic CR2032/HF1N 3V lithium coin cell battery with horizontal pins
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    Panasonic

    Panasonic CR2032/HF1N 3V Lithium Coin Cell Battery w/Pins

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    $4.69
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  • Powerizer CR123A 3 volt lithium battery with tabs
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    Powerizer

    Powerizer CR123A 3 Volt Lithium Battery with Tabs

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    $4.69
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  • Renata 389 SR54 silver oxide button battery front view
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    Renata

    Renata 389 / SR54 Silver Oxide Button Battery, 1.55V

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    $4.69
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  • Power Portable 2/3 A NiMH battery with tabs, 1600 mAh
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    Power Portable

    2/3 A NiMH Battery with Tabs (1600 mAh)

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    $4.79
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  • Power Portable 4/5 A NiMH battery with tabs, 2200 mAh
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    Power Portable

    4/5 A NiMH Battery with Tabs (2200 mAh)

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    $4.79
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  • Power Portable AA NiMH battery with tabs, 2300 mAh
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    Power Portable

    AA NiMH Battery with Tabs (2300 mAh)

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    $4.79
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  • Power Portable 2/3 AA NiMH button top battery, 600 mAh, SKU 18967
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    Power Portable

    2/3 AA NiMH Button Top Battery (600 mAh)

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    $4.89
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  • Power Portable 2/3 AAA NiMH 300mAh rechargeable battery front view
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    Power Portable

    2/3 AAA NiMH 300mAh Button Top Rechargeable Battery

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    $4.89
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  • 4/5 A NiMH Flat Top Battery (2200 mAh)
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    Power Portable

    4/5 A NiMH Flat Top Battery (2200 mAh)

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    $4.89
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  • Power Portable 4/5 AA NiMH battery with tabs, 1200mAh capacity
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    Power Portable

    4/5 AA NiMH Battery with Tabs (1200 mAh)

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    $4.89
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  • Rayovac CR2354 3V lithium coin cell battery
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    Rayovac

    CR2354 Rayovac 3 Volt Lithium Coin Cell Battery

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    $4.89
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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.