Suitable for the Nautilus Lifeline Marine Rescue GPS (requires 2x)GP Lithium Pro CR123A helps you to get over the low energy days.Engineered for smart households, it is also designed for energy-demanding security and medical equipment such as wireless IP cams, motion sensors and medical equipment. It allows peak-performance operation for a longer time with 40% more power capacity*, reducing frequent battery replacement. With the ability to handle the extremes of cold and hot temperatures from -40C to +60C and an exceptional long shelf life of up to 10 years, you can stock up without the fear of self-discharge in storage*. Providing absolute protection for you and your devices, our quality strictly complies with international safety standards.Where there is GP Lithium battery, there is power you can trust.