AA

  • AA NiCd Battery (900 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiCd Battery (900 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Type/Solar Light Batteries Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Chemistry/NiCd Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Brand/Shop All Brands Solar Batteries Solar Batteries/NiCd Solar Batteries
    $3.59
    As low as:
  • AA NiMH Battery (1500 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiMH Battery (1500 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Type/Solar Light Batteries Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands Solar Batteries Solar Batteries/NiMH Solar Batteries
    $3.59
    As low as:
  • AA NiMH Flat Top Battery (1200 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiMH Flat Top Battery (1200 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Flat Top Batteries Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    $3.59
    As low as:
  • AA 2000 NiMH Battery (Button Top)
    Add to Cart The item has been added

    Power Portable

    AA 2000 NiMH Battery (Button Top)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Type/Rechargeable Batteries/Voltage/1.5 Volt Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    $3.69
    As low as:
  • AA NiCd Rechargeable Battery (1000 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiCd Rechargeable Battery (1000 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Type/Solar Light Batteries Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Chemistry/NiCd Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Brand/Shop All Brands Solar Batteries Solar Batteries/NiCd Solar Batteries
    $3.69
    As low as:
  • AA Tenergy Centura NiMH 2000mAh Battery (Low Discharge)

    Tenergy

    AA Tenergy Centura NiMH 2000mAh Battery (Low Discharge)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    As low as:
  • 4-Card AA Rayovac High Energy Batteries
    Add to Cart The item has been added

    Rayovac

    4-Card AA Rayovac High Energy Batteries

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Brand/Rayovac Batteries/Voltage/1.5 Volt Batteries/Brand/Shop All Brands
    $3.99
    As low as:
  • AA NiMH Battery with Tabs (1200 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiMH Battery with Tabs (1200 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Batteries with Tabs Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    $3.99
    As low as:
  • AA NiMH Flat Top Battery (2200 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiMH Flat Top Battery (2200 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Type/Flat Top Batteries Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    $3.99
    As low as:
  • AA Power One Alkaline Batteries (4 Card)
    Add to Cart The item has been added

    PowerOne

    AA Power One Alkaline Batteries (4 Card)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Chemistry/Alkaline Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Brand/PowerOne Batteries/Voltage/1.5 Volt Batteries/Brand/Shop All Brands NON-BUCKET
    $3.99
    As low as:
  • AA Energizer MAX E91BP-4 Alkaline Batteries (4 Card)
    Add to Cart The item has been added

    Energizer

    AA Energizer MAX E91BP-4 Alkaline Batteries (4 Card)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Chemistry/Alkaline Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Brand/Energizer Batteries/Type/Shop All Types Batteries/Voltage/1.5 Volt Batteries/Brand/Shop All Brands Energizer Energizer/Energizer Max nonUSA
    $4.19
    As low as:
  • AA NiMH Battery with Tabs (1800 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiMH Battery with Tabs (1800 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Batteries with Tabs Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    $4.19
    As low as:
  • AA NiCd Battery with Tabs (1000 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiCd Battery with Tabs (1000 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Type/Assembly Batteries Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Chemistry/NiCd Batteries/Voltage/1.2 Volt Batteries/Type/Batteries with Tabs Batteries/Brand/Shop All Brands
    $4.29
    As low as:
  • AA NiCd Battery with Tabs (700 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiCd Battery with Tabs (700 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Chemistry/NiCd Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Type/Batteries with Tabs Batteries/Brand/Shop All Brands
    $4.29
    As low as:
  • AA NiMH Flat Top Battery (2300 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiMH Flat Top Battery (2300 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Type/Flat Top Batteries Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    $4.29
    As low as:
  • AA Tenergy NiMH 2500 mAh Rechargeable Battery
    Add to Cart The item has been added

    Tenergy

    AA Tenergy NiMH 2500 mAh Rechargeable Battery

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    $4.29
    As low as:
  • AA NiMH Panasonic 2100 mAh Rechargeable Battery (HHR-210AAC4B)

    Panasonic

    AA NiMH Panasonic 2100 mAh Rechargeable Battery (HHR-210AAC4B)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Brand/Panasonic Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands Batteries/Type/Cordless Phone Batteries Panasonic Panasonic/Panasonic Rechargeable
    As low as:
  • AA NiMH Battery with Tabs (2200 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiMH Battery with Tabs (2200 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Type/Assembly Batteries Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Type/Batteries with Tabs Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    $4.49
    As low as:
  • AA NiMH Panasonic 2000 mAh Rechargeable Battery (Industrial Eneloop) - Low Discharge

    Panasonic

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

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Brand/Panasonic Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands Batteries/Type/Cordless Phone Batteries Panasonic Panasonic/Panasonic Rechargeable
    As low as:
  • AA NiMH Panasonic (Sanyo) Eneloop Rechargeable Battery (2000 mAh)  Low Discharge
    Add to Cart The item has been added

    Panasonic

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

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Brand/Panasonic Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands Panasonic Panasonic/Panasonic Rechargeable
    $4.69
    As low as:
  • AA NiMH Battery with Tabs (2300 mAh)
    Add to Cart The item has been added

    Power Portable

    AA NiMH Battery with Tabs (2300 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Voltage Batteries/Voltage/Shop All Voltage Batteries/Size/Shop All Sizes Batteries/Size/AA Batteries/Type Batteries/Type/Assembly Batteries Batteries/Brand Batteries/Chemistry/Shop All Chemistries Batteries/Type/Shop All Types Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Type/Batteries with Tabs Batteries/Chemistry/NiMH Batteries/Brand/Shop All Brands
    $4.79
    As low as:

AA
 

The Comprehensive Guide to AA Batteries: Power Your Devices with Confidence

 

AA batteries are among the most widely used power sources in the world. They are the backbone of countless devices we rely on daily, including remote controls, toys, cameras, medical equipment, and more. At Mega Batteries, we recognize the critical role AA batteries play in your life, which is why we provide a wide range of options tailored to your needs. Whether you’re looking for disposable, rechargeable, or specialty batteries, we have you covered. 

 
1. Alkaline AA Batteries

Alkaline AA batteries are the go-to choice for everyday devices. Known for their affordability, reliability, and long shelf life, these batteries are perfect for low-drain devices that require consistent voltage over time.

Example Product:

Duracell AA Alkaline Batteries
These batteries are a household staple, providing dependable power for common devices such as remote controls, flashlights, and toys. With a shelf life of up to 10 years, they’re also an excellent choice for emergency preparedness kits.

Advantages:

Long-Lasting Power: Ideal for devices with modest power requirements.
Cost-Effective: Affordable and widely available, making them an easy choice for most households.
Versatile Use: Suitable for a variety of low-drain devices.
 
2. Rechargeable AA Batteries (NiMH)

Rechargeable Nickel-Metal Hydride (NiMH) AA batteries are an eco-friendly alternative to disposable batteries. They are designed to be recharged hundreds of times, making them a cost-effective and sustainable option for high-drain devices.

Example Product:

Energizer AA NiMH Rechargeable Batteries
These batteries are capable of up to 1000 recharge cycles, making them ideal for frequently used devices such as digital cameras, handheld gaming consoles, and wireless controllers.

Advantages:

Long-Term Savings: The ability to recharge multiple times significantly reduces long-term costs.
Eco-Friendly: Reduces waste compared to single-use batteries.
High Performance: Perfect for devices that require frequent battery changes or sustained power.
 
3. Lithium AA Batteries

Lithium AA batteries are a powerhouse of energy, known for their high energy density, lightweight design, and exceptional longevity. They excel in high-drain devices and perform well under extreme conditions, making them a versatile choice for specialized applications.

Example Product:

Energizer Ultimate Lithium AA Batteries
These premium batteries deliver up to 8 times the lifespan of standard alkaline batteries. Their resilience in extreme temperatures makes them perfect for outdoor equipment, digital cameras, and other high-drain devices.

Advantages:

Extended Lifespan: Lasts significantly longer than alkaline batteries.
Lightweight Design: Ideal for portable devices.
Temperature Resilience: Performs reliably in extreme heat or cold.
 
4. Nickel-Cadmium (NiCd) AA Batteries

Nickel-Cadmium (NiCd) AA batteries, while less common today due to environmental concerns, still hold a place in specific applications. These batteries are known for their durability and ability to deliver consistent power in extreme conditions.

Example Product:

NiCd Rechargeable AA Batteries
These rugged batteries are often used in power tools and emergency lighting systems, where high discharge rates and durability are critical.

Advantages:

Durability: Can handle demanding conditions and frequent recharging.
High Discharge Rate: Performs well in devices requiring a rapid and steady power supply.
Resilience: Reliable even in harsh environments.
 
5. Heavy-Duty AA Batteries

Heavy-duty AA batteries are designed for demanding applications where a stable and consistent power supply is essential. They are commonly used in devices that require extended periods of operation without frequent replacements.

Example Product:

Rayovac Heavy Duty AA Batteries
These batteries are engineered for high-drain devices such as flashlights, radios, and other essential electronics. They provide reliable performance in environments where consistent power is crucial.

Advantages:

Reliable Power: Delivers steady energy output for demanding applications.
Affordable Option: Cost-effective for devices requiring consistent use.
Versatility: Suitable for both household and professional applications.
 
6. Specialty AA Batteries: Button Top vs. Snap Connector

In addition to different chemical compositions, AA batteries come in a variety of terminal configurations to suit specific devices.

Button Top: This is the standard design for most household items such as remote controls, toys, and flashlights. The rounded positive terminal allows for easy installation in a wide range of devices.
Snap Connector: Found in specialized applications such as custom battery packs and unique electronic devices, these connectors provide secure and reliable contact.
 
Choosing the Right AA Battery

Selecting the right AA battery involves understanding your device's power requirements and considering factors like longevity, rechargeability, and environmental impact. Here’s what to keep in mind:

1. Device Requirements:

Determine whether your device is low-drain or high-drain.

Low-Drain Devices: Alkaline or heavy-duty batteries are cost-effective and efficient.
High-Drain Devices: Lithium or rechargeable batteries provide the longevity and performance required.
2. Rechargeability:

If you use your devices frequently, consider rechargeable batteries. They not only save money over time but also reduce environmental waste.

3. Capacity:

Check the battery's mAh (milliamp-hour) rating to ensure it meets the energy demands of your device. Higher capacity translates to longer runtime.

4. Environmental Considerations:

Rechargeable batteries (NiMH or NiCd) and long-lasting lithium options can help reduce your environmental footprint by minimizing waste and resource consumption.

 
Why Buy AA Batteries from Mega Batteries?

At Mega Batteries, we offer an unmatched selection of AA batteries, ensuring you find the perfect power source for your devices. Here’s why you should choose us:

Comprehensive Inventory: From everyday alkaline batteries to specialized lithium and rechargeable options, we have everything you need.
Expert Advice: Our knowledgeable team is here to help you choose the right battery for any application.
Competitive Pricing: Enjoy high-quality batteries at prices that fit your budget.
Commitment to Sustainability: We support eco-friendly choices by offering rechargeable and long-lasting battery options.
 
Power Your Devices with Confidence

AA batteries are an essential part of modern life, powering everything from entertainment devices to critical medical equipment. Understanding the different types of AA batteries and their applications can help you make informed choices that optimize performance and save money.

 

Visit Mega Batteries today to explore our wide range of AA batteries and find the perfect solution for your power needs. Whether you need reliable alkaline batteries, high-performance lithium options, or eco-friendly rechargeable solutions, we’ve got you covered!