What size is LR44H battery?

Answered by Tom Adger

The LR44H battery, also known as the LR44 or AG13, is a small cylindrical battery commonly used in various electronic devices. It has a nominal voltage of 1.50 volts and operates within a temperature range of 0°C to 60°C. This battery is widely available and is often used in small devices such as calculators, watches, toys, and medical devices.

In terms of physical dimensions, the LR44H battery has a diameter of 11.6mm and a height of 5.4mm. These measurements may vary slightly depending on the manufacturer, but the general size remains relatively consistent across different brands.

The LR44H battery belongs to the alkaline chemistry category, but there are similarly sized variations available in silver oxide chemistry as well. Alkaline batteries are known for their long shelf life and ability to provide a steady power supply, while silver oxide batteries offer higher energy density and better performance in certain applications.

I have personally encountered the LR44H battery in various devices throughout my life. One particular memory that comes to mind is when I had to replace the LR44 battery in my digital watch. I remember being amazed at how such a small battery could power the watch for such a long time. It was a simple task to replace the battery, as the watch had a small compartment on the back that could be easily opened.

The LR44H battery is a compact and versatile power source commonly used in small electronic devices. Its small size and reliable performance make it a popular choice for a wide range of applications. Whether it’s a calculator, a toy, or a medical device, the LR44H battery provides the necessary power to keep these devices running smoothly.