Thermal Tech | August 7, 2026
For coyote hunters, single-digit temperatures can be a blessing and a curse. While cold weather can make for a more productive hunt, it can also wreak havoc on thermal batteries. Most thermal imaging devices rely on batteries to power their operation, and cold temperatures can significantly reduce battery life. To make matters worse, many hunters are already pushing the limits of their gear by hunting at night, when temperatures are typically at their lowest.
One key strategy for extending thermal battery life in cold weather is to keep the batteries warm. This can be as simple as storing them in a warm pocket or using a hand warmer to keep them toasty. Some hunters also swear by using battery warmers specifically designed for this purpose. By keeping the batteries warm, hunters can help to slow down the chemical reaction that occurs within the battery, which can help to extend its life.
Another approach is to use lithium batteries, which tend to perform better in cold temperatures than other types of batteries. Lithium batteries also have a longer shelf life and are less prone to memory effects, which can reduce their overall performance. Additionally, hunters can consider using external power sources, such as battery packs or portable power banks, to extend the life of their thermal device. By taking a few simple precautions, hunters can help to ensure that their thermal batteries stay alive, even on the coldest of nights.
Finally, it's worth noting that some thermal devices are designed to be more efficient than others, and may require less power to operate. By choosing a device that is designed with power efficiency in mind, hunters can help to reduce the strain on their batteries and extend their overall life. Regardless of the device or batteries being used, however, the key to success is to be prepared and to take steps to mitigate the effects of cold weather on thermal battery life.