Size

  • Compact 2 slot LiFePO4 battery charger with USB power adapter
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    3.2V Lifep04 2 Slot Battery Charger + 4 pcs AA 3.2 Volt 600 mAh LiFePO4 14500 Battery

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    $36.69
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  • Rayovac 357 SR44W silver oxide button batteries 12-pack
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    Rayovac

    12-Pack 357 / SR44W Rayovac Silver Oxide Button Batteries

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    $36.99
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  • 12-pack Rayovac CR2450 3 volt lithium coin cell batteries
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    Rayovac

    12-Pack CR2450 Rayovac 3 Volt Lithium Coin Cell Batteries

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    $36.99
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  • Power Portable 32650 3.2V LiFePO4 batteries 2-pack
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    Power Portable

    2-Pack 3.2 Volt 32650 LiFePO4 Batteries (5000 mAh)

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    $36.99
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  • Varta 2-pack 7.2V 150mAh NiMH rechargeable batteries

    Varta

    2-Pack 7.2 Volt Varta 150 mAh 6/8H NiMH Batteries (9 Volt Size)

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  • 25-pack Renata 364 SR621SW silver oxide button batteries
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    Renata

    25-Pack 364 / SR621SW Renata Silver Oxide Button Batteries

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    $36.99
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  • Panasonic CR2025 coin cell batteries with bulk packaging
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    Panasonic

    25-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries

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    $36.99
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  • Front view of Panasonic CR2032 3V battery pack
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    Panasonic

    25-Pack CR2032 Panasonic 3 Volt Lithium Coin Cell Batteries

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    $36.99
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  • Power Portable 3-pack 18650 protected button top Li-Ion batteries
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    Power Portable

    3-Pack 18650 3.6 Volt 2300 mAh Li-Ion Batteries - Protected (Button Top)

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    $36.99
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  • 6-Pack Power Portable AA 3.7V 14500 lithium ion batteries flat top
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    Power Portable

    6-Pack AA 3.7 Volt Lithium Ion 14500 Batteries (750 mAh)

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    $36.99
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  • Power Portable 6-pack Sub C NiMH batteries, 3500 mAh, flat top
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    Power Portable

    6-Pack Sub C NiMH Batteries (3500 mAh)

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    $36.99
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  • Six Xeno XL-050FAX batteries for compatible electronics
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    Xeno

    6-Pack Xeno XL-050FAX 3.6V 1/2 AA 1.2Ah Lithium Batteries w/ Axial Leads

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    $36.99
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  • Panasonic Eneloop AAA NiMH 800mAh rechargeable batteries 12 card
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    Panasonic

    AAA Panasonic Eneloop (HR55AAA / HR65AAA / HR75AAA) NiMH 800mAh Batteries (12 Card)

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    $36.99
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  • Bosch Li-ion replacement battery for cordless drill models
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    Bosch

    Bosch 14.4 Volt 3000 mAh Li-ion Replacement Battery

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    $36.99
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  • Power Portable 3.2V 18650 LiFePO4 button top batteries, pack of 4
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    Power Portable

    Power Portable 3.2V LiFePO4 18650 1500mAh Button Top Batteries - 4 Pack

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    $36.99
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  • Tenergy RCR123A 3.7V 650mAh rechargeable batteries 4-pack for Arlo cameras
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    Tenergy

    Tenergy RCR123A 3.7 Volt 650mAh Li-ion Batteries (4-Pack) (ARLO Certified)

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    $36.99
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  • AA NiMH Powerex PRO Rechargeable Batteries (2700 mAh) with Battery Case (8 Card) Wholesale & direct to consumer
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    Powerex

    AA NiMH Powerex PRO Rechargeable Batteries (2700 mAh) with Battery Case (8 Card)

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    $37.09
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  • 36-pack Energizer MAX AA batteries in card packaging
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    Energizer

    36-Pack AA Energizer MAX E91BP-2 (2 Card) Alkaline Batteries (18 Cards of 2)

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    $37.49
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  • Energizer MAX AAA alkaline batteries 36-pack, model E92BP-2
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    Energizer

    36-Pack AAA Energizer MAX E92BP-2 Alkaline Batteries (18 Cards of 2)

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    $37.49
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  • Panasonic 3V BR-2/3A battery pack for industrial use
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    Panasonic

    8-Pack Panasonic BR-2/3A Industrial Lithium Batteries

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    $37.59
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  • Toshiba CR2025 25-pack 3 volt lithium coin cell batteries
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    Toshiba

    25-Pack CR2025 Toshiba 3 Volt Lithium Coin Cell Batteries

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    $37.69
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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.