• 7.4 Volt Lithium Ion Battery Pack (3500 mAh) with Protection IC

    7.4 Volt Lithium Ion Battery Pack (3500 mAh) with Protection IC

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Chemistry/Lithium Ion Batteries/Type Batteries/Type/Shop All Types Batteries/Voltage/7.4 Volt Batteries/Type/Rechargeable Batteries/Type/Battery Packs
    $89.49
    As low as:
    Buy in bulk and save
  • 8-Pack Xeno XL-100F 3.6V A 3.6Ah Lithium Batteries

    8-Pack Xeno XL-100F 3.6V A 3.6Ah Lithium Batteries

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Lithium Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Brand/Xeno Batteries/Voltage/3.6 Volt Lithium Thionyl Chloride/Xeno
    $89.49
    As low as:
  • 12-Pack ER14250 (LS14250) Omnicel 1/2 AA 3.6 Volt 1200mAh Primary Lithium Batteries Wholesale & direct to consumer

    12-Pack ER14250 (LS14250) Omnicel 1/2 AA 3.6 Volt 1200mAh Primary Lithium Batteries

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Chemistry/Lithium Thionyl Chloride Batteries/Voltage/3.6 Volt Batteries/Brand/Omnicel Lithium Thionyl Chloride/Omnicel
    $89.59
    As low as:
  • 6-Pack Tadiran TL-2100/S 3.6V AA 2.1 Ah Lithium Batteries (ER14505)

    6-Pack Tadiran TL-2100/S 3.6V AA 2.1 Ah Lithium Batteries (ER14505)

    Batteries/Brand/Tadiran Batteries/Voltage/3.6 Volt Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Shop All Chemistries Batteries/Size/AA Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Chemistry/Lithium Thionyl Chloride Lithium Thionyl Chloride/Tadiran
    $89.59
    As low as:
  • 5 x Duracell + 5 x Energizer CR123A 3 Volt Lithium Batteries (10 Total)

    5 x Duracell + 5 x Energizer CR123A 3 Volt Lithium Batteries (10 Total)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Lithium Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Energizer Batteries/Brand/Duracell Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Type/Photo Lithium Batteries Batteries/Size/CR123 Batteries/Voltage/3 Volt nonUSA
    $90.79
    As low as:
  • Power Portable ER14505 AA 3.6V lithium batteries 12-pack front view

    12-Pack 3.6 Volt ER14505 AA Primary Lithium Batteries (2700 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Lithium Batteries/Chemistry/Shop All Chemistries Batteries/Size/AA Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Size/14500 Batteries/Chemistry/Lithium Thionyl Chloride Batteries/Voltage/3.6 Volt Lithium Thionyl Chloride/Blue Sleeve
    $90.99
    As low as:
  • 16-Pack ER14250 (LS14250) 1/2 AA 3.6 Volt Primary Lithium Battery Wholesale & direct to consumer

    16-Pack ER14250 (LS14250) 1/2 AA 3.6 Volt Primary Lithium Battery (1200 mAh)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Chemistry/Lithium Thionyl Chloride Batteries/Voltage/3.6 Volt Lithium Thionyl Chloride/Blue Sleeve
    $90.99
    As low as:
  • 8-Pack 3.2 Volt 22650 LiFePO4 Batteries (2000 mAh) Wholesale & direct to consumer

    8-Pack 3.2 Volt 22650 LiFePO4 Batteries (2000 mAh)

    Batteries/Type/Rechargeable Batteries/Type/Flat Top Batteries Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/3.2 Volt Batteries/Voltage/Shop All Voltage Batteries/Chemistry/Lithium Ion Batteries/Type/Assembly Batteries Batteries/Type Batteries/Type/Shop All Types Batteries/Type/Solar Light Batteries
    $90.99
    As low as:
  • 8 x AA (2000 mAh) + 8 x AAA (800 mAh) NiMH Panasonic Eneloop Battery Combo

    8 x AA (2000 mAh) + 8 x AAA (800 mAh) NiMH Panasonic Eneloop Battery Combo

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/NiMH Batteries/Chemistry/Shop All Chemistries Batteries/Size/AA Batteries/Size/AAA Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Brand/Panasonic Batteries/Voltage/1.2 Volt Batteries/Type/Rechargeable Batteries/Type/Rechargeable Battery Combos Panasonic Panasonic/Panasonic Rechargeable
    $91.89
    As low as:
  • Xeno XL-060H 3.6V AA lithium batteries box front view

    12-Pack Xeno XL-060H 3.6V AA 1.7Ah Lithium Batteries

    Specials Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Lithium Batteries/Chemistry/Shop All Chemistries Batteries/Size/AA Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Brand/Xeno Batteries/Voltage/3.6 Volt Lithium Thionyl Chloride/Xeno
    $100.39
    Sale: $92.39
    As low as:
  • 2-Pack Welch Allyn 72600 Replacement 2.5 Volt NiCd Medical Batteries for Welch Allyn Pocket Scope

    2-Pack Welch Allyn 72600 Replacement 2.5 Volt NiCd Medical Batteries for Welch Allyn Pocket Scope

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Type/Medical Batteries Batteries/Chemistry/NiCd Batteries/Brand/Welch Allyn
    $92.39
    As low as:
  • Front view of Philips 24-Pack AA 1.5V Lithium Batteries box

    24-Pack AA Philips 1.5V Lithium Batteries

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Lithium Batteries/Chemistry/Shop All Chemistries Batteries/Size/AA Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Voltage/1.5 Volt nonUSA
    $92.39
    As low as:
  • Duracell Ultra 245 and Panasonic 2CR5 photo lithium batteries 6-pack

    3 x Duracell Ultra 245 + 3 x Panasonic 2CR5 Photo Lithium Batteries (6 Total)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Lithium Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Duracell Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Type/Photo Lithium Batteries Batteries/Size/2CR5 Batteries/Brand/Panasonic Batteries/Voltage/6 Volt
    $92.39
    As low as:
  • 3.2 Volt LiFePO4 18650 1500 mAh Button Top Batteries (Box of 8) Wholesale & direct to consumer

    3.2 Volt LiFePO4 18650 1500 mAh Button Top Batteries (Box of 8)

    Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/3.2 Volt Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Type/Solar Light Batteries Batteries/Size/18650 Batteries/Chemistry/LiFePO4 Batteries/Type/Rechargeable 18650 Batteries/3.2 Volt 18650 Batteries Solar Light Batteries/LiFePO4 Solar Batteries
    $92.39
    As low as:
  • 4-Pack 7.2 Volt Varta 150 mAh 6/8H NiMH Batteries (9 Volt Size)

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

    Batteries/Brand/Varta Batteries/Voltage/7.2 Volt Batteries/Voltage/9 Volt Batteries/Type/Rechargeable Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/NiMH Batteries/Chemistry/Shop All Chemistries Batteries/Size/9 Volt Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types
    As low as:
  • Panasonic CR2025 3V lithium coin cell batteries pack of 48

    48-Pack CR2025 Panasonic 3 Volt Lithium Coin Cell Batteries (24 Cards of 2)

    Specials Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Lithium Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Type Batteries/Type/Shop All Types Batteries/Brand/Panasonic Batteries/Voltage/3 Volt Batteries/Type/Coin Cell Lithiums Panasonic/Panasonic Coin Cell
    $97.99
    Sale: $92.39
    As low as:
  • 6-pack of Molicel P28A 18650 lithium ion batteries front view

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

    Batteries 18650 Batteries/Flat Top 18650 Batteries 18650 Batteries Batteries/Size Batteries/Size/18650 Batteries/Size/Shop All Sizes Batteries/Type Batteries/Type/Flat Top Batteries Batteries/Type/Rechargeable Batteries/Type/Shop All Types Batteries/Chemistry Batteries/Chemistry/Lithium Ion Batteries/Chemistry/Shop All Chemistries Batteries/Brand Batteries/Brand/Shop All Brands Batteries/Voltage Batteries/Voltage/3.6 Volt Batteries/Voltage/Shop All Voltage
    $92.39
    As low as:
  • Close-up of Molicel P28A 18650 battery showing spot welded tabs

    6-Pack Molicel P28A 18650 3.6 Volt Lithium Ion Batteries (2800mAh) W/ Tabs

    Specials Batteries Batteries/Size Batteries/Chemistry Batteries/Brand Batteries/Voltage Batteries/Chemistry/Shop All Chemistries Batteries/Size/Shop All Sizes Batteries/Brand/Shop All Brands Batteries/Voltage/Shop All Voltage Batteries/Chemistry/Lithium Ion Batteries/Type Batteries/Type/Shop All Types Batteries/Size/18650 Batteries/Voltage/3.6 Volt Batteries/Voltage/3.7 Volt Batteries/Type/Rechargeable Batteries/Type/Flat Top Batteries 18650 Batteries 18650 Batteries/18650 Batteries w/Tabs
    $97.99
    Sale: $92.39
    As low as:

Mastering Battery Sizes

 

In the world of batteries, size does matter. The correct battery size ensures your device functions optimally, and at Only Batteries, we cater to every possible need with an extensive range of battery sizes. 

 

Understanding Battery Sizes

Battery size determines the compatibility with different devices, ranging from tiny hearing aids to large automotive applications. Different sizes also mean different voltages and capacities, affecting how long they can power your device.

 

Key Battery Sizes and Their Applications

AAA Batteries: Common in remote controls and small electronic devices.
AA Batteries: Used in a variety of household devices, from wall clocks to digital cameras.
C and D Batteries: Ideal for high-drain applications like toys and portable music systems.
9 Volt: Crucial for smoke detectors and emergency equipment.
Button Cells: Used in watches, calculators, and hearing aids.
Specialty Sizes: Such as 18650 for high-end flashlights and vape devices.


Popular Products Across Different Sizes

Duracell Coppertop AA: Known for its long-lasting power and reliability.
Energizer AAA Lithium: Best for devices requiring high energy output.
Panasonic Eneloop C and D adapters: Rechargeable solutions for high-drain needs.
Rayovac 9 Volt: Preferred for smoke alarms and professional equipment.
Renata CR2032: Reliable button cell for watches and medical devices.


Choosing the Right Size for Your Needs

Selecting the right battery size is crucial. Consider the device's power requirements, the expected duration of use, and whether the battery needs to be rechargeable. Our detailed product descriptions and specifications will help guide your choice, ensuring you pick the perfect match for your device's demands.

 

At Only Batteries, our diverse selection of battery sizes ensures that no matter your device, we have the power solution for you. From daily necessities to specialized equipment, our batteries provide the efficiency and longevity your devices need. Explore our full range of battery sizes and find the perfect fit for your electronic devices. Experience the power of choice at Only Batteries, and never run out of the energy you need!