If you’ve ever used small electronics, you’re probably familiar with button cell batteries. These tiny batteries power everything from hearing aids to remote controls, and they come in a variety of shapes and sizes. In this article, we’ll take a closer look at the different types of button cell batteries and how to choose the right one for your device.
| Button Cell Battery Chart | ||||
|---|---|---|---|---|
| Battery Type | Voltage | Capacity (mAh) | Diameter (mm) | Height (mm) |
| LR41 | 1.5V | 39-90 | 7.9-8.3 | 3.6-4.2 |
| LR43 | 1.5V | 105-130 | 11.6-11.7 | 5.4-5.8 |
| LR44 | 1.5V | 125-170 | 11.6-11.7 | 5.4-5.8 |
| LR54 | 1.5V | 190-210 | 11.6-11.7 | 5.4-5.8 |
| LR1130 | 1.5V | 50-60 | 11.6-11.7 | 3.0-3.2 |
| LR1120 | 1.5V | 80-90 | 11.6-11.7 | 3.8-4.2 |
| LR2016 | 3V | 270-330 | 20 | 1.6 |
| CR2016 | 3V | 160-200 | 20 | 1.6 |
| CR2025 | 3V | 225-270 | 20 | 2.5 |
| CR2032 | 3V | 225-270 | 20 | 3.2 |
| CR2320 | 3V | 200-250 | 23 | 2.0 |
| CR2450 | 3V | 450-500 | 24 | 5.0 |
| CR2477 | 3V | 700-800 | 24 | 7.7 |
What are the sizes of button batteries?
Button cell batteries come in a variety of sizes, each with a different code to help you identify them. Here are some of the most common sizes:
– LR44/AG13: Also known as a 357 or A76 battery, this is one of the most common button cell batteries. It’s often used in small toys, calculators, and watches.
– CR2032: This is a flat, round battery that’s often used in key fobs, remote controls, and small LED lights.
– LR41/AG3: This is a small, cylindrical battery that’s often used in hearing aids, calculators, and small toys.
– LR626/AG4: This is a small, round battery that’s often used in watches, calculators, and small toys.
There are many other sizes of button cell batteries, but these are some of the most common. It’s important to check your device’s manual or look at the old battery to determine which size you need.
Which button cell battery is best?
The best button cell battery for your device depends on a few factors, including the size of the battery, the voltage it provides, and the device’s power requirements. It’s important to choose a battery with the correct voltage and size to ensure it fits and functions properly. If you’re not sure which battery to choose, consult the device’s manual or ask a professional for help.
How do I know what size button cell battery I have?
To determine the size of a button cell battery, look at the code printed on the battery or consult the device’s manual. The code will usually include a combination of letters and numbers that identify the size and type of battery. If you’re not sure which battery to choose, bring the old battery to the store or consult a professional for assistance.
How long do button batteries last?
The lifespan of a button cell battery depends on several factors, including the type of battery, the device’s power requirements, and usage patterns. In general, button cell batteries can last anywhere from a few months to several years. It’s important to replace your battery when it starts to lose power, as using a low-power battery can damage your device.
In conclusion, button cell batteries are an essential part of many small electronics, and it’s important to choose the right size and type for your device. By understanding the different types of button cell batteries and how to choose the right one, you can ensure your device stays powered and functional for years to come.
