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What’s the difference between AAA (3A) and AA (2A) batteries? Which one is good to use?

November 17, 2023 by admin Category: Tech

You are viewing the article What’s the difference between AAA (3A) and AA (2A) batteries? Which one is good to use?  at Tnhelearning.edu.vn you can quickly access the necessary information in the table of contents of the article below.

Batteries are an essential component of countless devices that power our everyday lives. From portable electronics to toys, batteries enable us to stay connected and entertained on the go. However, with various sizes and types available on the market, distinguishing between them can be confusing. In this discussion, we will focus on the difference between two commonly used battery sizes, AAA (3A) and AA (2A). Understanding their dissimilarities will help users make informed decisions regarding which battery size is best suited for their needs. By examining their key distinctions in terms of capacity, size, and compatibility, we can determine which type of battery is suitable for specific devices and why.

Many electronic devices today use batteries to operate with two common types of AA batteries and AAA batteries. So what are these batteries, which devices are suitable for and what is the difference between 2A and 3A batteries, see this article to better understand!

Table of Contents

  • AA batteries (2A)
  • AAA battery (3A)
  • Compare AA and AAA batteries
  • What kind of battery should I buy?

AA batteries (2A)

The AA battery (2A battery) is a standard sized single cylindrical dry cell battery with a length of 49.2 – 50.5mm (1.94 -1.99 in), including a button at the top of the battery, and a diameter of 13.5 – 14.5mm. (0.53 – 0.57 inches).

AA batteries include a single charge battery that can be a primary (disposable) battery or a rechargeable battery multiple times. The exact terminal voltage and capacity of an AA size battery depends on the chemistry of the battery.

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Currently, this type of battery is often used for portable electronic devices or specialized devices such as wall clocks, computer mice, cameras, remote controls, children’s toys, .. Some AA battery brands of reputable brands you can refer to include: Philips, Panasonic, Sony,…

What’s the difference between AAA (3A) and AA (2A) batteries? Which one is good to use?

4 AA alkaline batteries Philips LR6P4B belongs to the type of 2A battery commonly used for watches, radios, battery-powered keyboards, …

AAA battery (3A)

AAA battery (3A battery) is a standard size, dry cell battery commonly used in portable electronic devices. In particular, AAA batteries will be smaller than AA batteries with a length of 44.5mm (about 1.75 inches) and a diameter of 10.5mm (about 0.41 inches).

AAA batteries are good for products that require a lot of power and are used for a number of electronic devices including: remote controls, MP3 players, digital cameras, hearing aids,…

Some AAA battery brands belong to long-standing, prominent manufacturers that you can refer to when choosing to buy such as: Panasonic, Philips, Energizer, …

Pin AAA 2 viên Manganese Panasonic R03NT-2B thuộc loại pin 3A thường được dùng cho remote, máy ảnh kỹ thuật số,...

Panasonic R03NT-2B Manganese 2 AAA batteries are 3A batteries commonly used for remotes, digital cameras,…

Compare AA and AAA batteries

Battery type AA batteries AAA battery
Characteristic
  • Larger size than AAA battery.
  • Weight is heavier than AAA batteries.
  • Longer use time than AAA batteries.
  • Smaller size than AA batteries.
  • Lighter weight than AA batteries.
  • Battery life is faster than AA batteries.
Capacity

Popular battery capacity levels: 700mAH , 900mAH , 2300mAH ,…

The battery capacity is larger than AAA batteries.

Popular battery capacities: +/- 175 mAh , +/- 900 mAh , +/- 2300 mAh ,…

Battery capacity is smaller than AA batteries.

Size

Length from 49.2 – 50.5mm (1.94 -1.99 inches).

Diameter 13.5 – 14.5mm (0.53 – 0.57 inch).

Length 44.5mm (about 1.75 inches).

Diameter 10.5mm (about 0.41 inch).

Equipment used Used for electronic devices that consume a lot of energy such as: wall clocks, control devices, computer mice, cameras, … Used for electronic products, or small devices with low energy consumption such as: remote controls, MP3 players, digital cameras, hearing aids,…
Price Price from 10,000 – 45,000/2 tablets (price updated on 11/02/2023, may change from time to time). Price from 10,000 – 45,000/2 tablets (price updated on 11/02/2023, may change from time to time).
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What kind of battery should I buy?

Use AA batteries when

You should choose to buy AA batteries when you:

  • Need to be used for common everyday devices such as: TV remote, air conditioner control, wall clock, …
  • You want to use a battery with a high capacity, long life at a cheaper price.

Pin 2A có dung lượng lớn, thời gian sử dụng bền bỉ

2A battery with large capacity, durable use time

Use AAA batteries when

You should prioritize buying AAA batteries when you:

  • Needed for small devices such as MP3 players, digital cameras, hearing aids,…
  • You want to use a battery with a small charge, suitable for some special equipment, that requires little power.

Nên chọn pin 3A khi bạn cần lắp cho thiết bị nhỏ, cần ít năng lượng

3A battery is recommended when you need to install it for small, low-power equipment

This article helps you understand a few more facts about AA and AAA batteries, as well as the differences between them. Hope this information will help everyone in the process of using electronic devices every day!

In conclusion, AAA (3A) and AA (2A) batteries both serve as common power sources for a wide range of electronic devices. The main difference between them lies in their size and capacity. AAA batteries are smaller and have a lower capacity compared to AA batteries. The choice of which one to use ultimately depends on the specific device’s requirements and the user’s preferences.

AAA batteries are commonly used in smaller devices such as remote controls, flashlights, and small electronic toys. Their compact size makes them convenient for portable gadgets, where space is limited. However, due to their smaller capacity, AAA batteries may not last as long as AA batteries and might need to be replaced more frequently.

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On the other hand, AA batteries provide higher energy capacity, making them suitable for medium-sized electronics like cameras, wireless keyboards, and portable audio devices. Their larger size enables them to store more energy, resulting in longer-lasting performance. For devices that demand higher power consumption or prolonged usage, AA batteries are a more practical choice.

Ultimately, the decision between AAA and AA batteries depends on the specific requirements of the device and the user’s convenience. It is important to consider factors such as size, capacity, and longevity to determine which battery type is best suited for a particular application.

Thank you for reading this post What’s the difference between AAA (3A) and AA (2A) batteries? Which one is good to use? at Tnhelearning.edu.vn You can comment, see more related articles below and hope to help you with interesting information.

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