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AA Battery vs. AAA Battery — What's the Difference?

By Tayyaba Rehman — Published on November 30, 2023
AA Battery is larger and typically offers more capacity, while AAA Battery is smaller with less capacity.
AA Battery vs. AAA Battery — What's the Difference?

Difference Between AA Battery and AAA Battery

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Key Differences

The AA Battery is a standard size for cylindrical batteries and is commonly used in a variety of devices. Its dimensions and voltage are standardized, making it universally recognizable and applicable. In contrast, the AAA Battery is a more compact version, smaller in size than the AA variant, but also recognized universally and used in many electronic devices.
Tayyaba Rehman
Nov 30, 2023
When it comes to energy capacity, the AA Battery generally holds more. This is largely due to its bigger size which allows for more electrolyte and active materials. On the other side, the AAA Battery has a smaller capacity, mostly attributed to its compact size which limits the amount of materials that can be stored inside.
Tayyaba Rehman
Nov 30, 2023
In terms of device compatibility, AA Batteries are often found in devices that require a bit more energy or have larger compartments, such as remote controls or flashlights. Conversely, the AAA Battery is usually seen in more compact devices like wall clocks or small electronic toys which require less energy and space.
Tayyaba Rehman
Nov 30, 2023
From a market perspective, the AA Battery is often more widely available due to its popular demand and varied applications. However, the AAA Battery has carved its niche, catering to specific devices and appliances, and can be easily found in stores too.
Tayyaba Rehman
Nov 30, 2023
Physically, the most evident difference between the two is size. Simply by observation, the AA Battery is noticeably larger, and the AAA Battery is its smaller counterpart. However, both play essential roles in powering our daily devices, each fitting where the other might not be suitable.
Tayyaba Rehman
Nov 30, 2023
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Comparison Chart

Size

Larger
Smaller
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Nov 30, 2023

Capacity

Generally more
Generally less
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Nov 30, 2023

Common Devices

Remote controls, flashlights
Wall clocks, small toys
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Nov 30, 2023

Availability

More widely available
Widely available but specific to devices
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Nov 30, 2023

Voltage

Typically 1.5V
Typically 1.5V
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Nov 30, 2023

Compare with Definitions

AA Battery

A widely recognized and universally applicable battery type.
When traveling, it's easy to find AA Batteries in stores worldwide.
Tayyaba Rehman
Oct 13, 2023

AAA Battery

A smaller version of the AA battery.
I keep a pack of AAA Batteries handy for my kids' toys.
Tayyaba Rehman
Oct 13, 2023

AA Battery

A power source with higher capacity than its AAA counterpart.
I always keep extra AA Batteries on hand for my flashlight.
Tayyaba Rehman
Oct 13, 2023

AAA Battery

A universally recognized battery type, but smaller than AA.
It's always wise to have both AA and AAA Batteries at home for various devices.
Tayyaba Rehman
Oct 13, 2023

AA Battery

Commonly used in larger electronic devices.
The wall clock in the kitchen uses a single AA Battery.
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Oct 13, 2023

AAA Battery

Commonly found in smaller electronic devices.
The TV remote at my hotel uses a AAA Battery.
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Oct 13, 2023

AA Battery

A larger alternative to AAA batteries.
I mistakenly bought AA Batteries when I needed AAA for my alarm clock.
Tayyaba Rehman
Oct 13, 2023

AAA Battery

A compact cylindrical battery.
My wireless mouse uses a AAA Battery.
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Oct 13, 2023

AA Battery

A cylindrical battery of standard size.
My remote control requires two AA Batteries.
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Oct 13, 2023

AAA Battery

A power source with less capacity than AA batteries.
Though my ear thermometer uses a AAA Battery, it lasts quite a while.
Tayyaba Rehman
Oct 13, 2023

Common Curiosities

Does an AA Battery last longer than a AAA Battery?

Generally, due to its larger size, an AA Battery has a higher capacity and may last longer.
Tayyaba Rehman
Nov 30, 2023

Are the voltages the same for both AA Battery and AAA Battery?

Typically, both have a voltage of 1.5V, but always check manufacturer specifications.
Tayyaba Rehman
Nov 30, 2023

What is the main difference between AA Battery and AAA Battery?

The main difference is size; AA Battery is larger, while AAA Battery is smaller.
Tayyaba Rehman
Nov 30, 2023

Why might a device use a AAA Battery over an AA Battery?

Devices requiring a compact size and less power might opt for a AAA Battery.
Tayyaba Rehman
Nov 30, 2023

Are rechargeable versions available for both AA Battery and AAA Battery?

Yes, both AA and AAA Batteries come in rechargeable versions.
Tayyaba Rehman
Nov 30, 2023

Can I travel with AA Battery and AAA Battery on planes?

Yes, but always check airline regulations, especially for lithium variants.
Tayyaba Rehman
Nov 30, 2023

Do AA and AAA Batteries deteriorate over time?

Yes, both will lose charge over time, especially if not used.
Tayyaba Rehman
Nov 30, 2023

Can I use an AA Battery in place of a AAA Battery?

No, they have different sizes and aren't interchangeable in devices.
Tayyaba Rehman
Nov 30, 2023

How do I store unused AA Battery and AAA Battery?

Store them in a cool, dry place away from direct sunlight and metal objects.
Tayyaba Rehman
Nov 30, 2023

Is the AA Battery more common than the AAA Battery?

AA Batteries are more widespread due to varied applications, but both are commonly available.
Tayyaba Rehman
Nov 30, 2023

In which devices might I find an AAA Battery?

AAA Batteries are common in smaller devices like ear thermometers, wireless mice, or small toys.
Tayyaba Rehman
Nov 30, 2023

Do both AA and AAA Batteries have the same chemistry types?

Both come in various chemistries like alkaline, NiMH, and lithium.
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Nov 30, 2023

Are there any safety concerns with AA Battery or AAA Battery?

Avoid puncturing, overheating, or mixing old and new batteries.
Tayyaba Rehman
Nov 30, 2023

How do I dispose of used AA Battery and AAA Battery?

It's best to recycle them at designated battery recycling centers.
Tayyaba Rehman
Nov 30, 2023

Can I charge a non-rechargeable AA Battery or AAA Battery?

No, only batteries specified as rechargeable should be charged.
Tayyaba Rehman
Nov 30, 2023

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Author Spotlight

Written by
Tayyaba Rehman
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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