1/2×56: The NATO Standard for Flashlights
When it comes to flashlights, one of the most important aspects to consider is the type of battery it uses. One of the most popular battery sizes for flashlights is the 1/2×56, also known as CR123A. But what makes this size so special?
History of the 1/2×56
The 1/2×56 battery size was originally developed by the US military in the 1960s. The military needed a reliable and compact power source for their equipment, and the 1/2×56 was born. The "CR" in CR123A stands for "chromium," which refers to the type of manganese dioxide used in the battery's cathode.
NATO Standard
In the 1980s, the 1/2×56 became a NATO standard (NSN 6135-99-841-1144) for flashlights used by military personnel. This meant that all flashlights used by NATO countries had to be compatible with the 1/2×56 battery size. This standardization ensured that soldiers from different countries could easily use and replace batteries in the field.
Advantages of 1/2×56 Batteries
So, what makes the 1/2×56 battery so popular? Here are a few advantages:
Compact Size
The 1/2×56 battery is small and lightweight, making it ideal for compact flashlights and other portable devices.
High Energy Density
The 1/2×56 battery has a high energy density, which means it packs a lot of power relative to its size.
Long Shelf Life
The 1/2×56 battery has a long shelf life, making it suitable for emergency and survival kits.
Conclusion
The 1/2×56 battery has become a standard in the flashlight industry, and its popularity can be attributed to its compact size, high energy density, and long shelf life. Whether you're a professional or an outdoor enthusiast, a flashlight powered by 1/2×56 batteries is a reliable and trustworthy choice.
