Medical Equipment Battery Lithium Battery cr2 3v Designed for Security Systems: The 3V CR2 lithium battery is specifically designed for smoke detectors and alarm equipment, ensuring these critical devices maintain excellent performance over long periods of use. Whether it's a home security system or a commercial security solution, this battery is ideal for ensuring safety. Efficient 3V output: The 3V CR2 lithium battery provides efficient 3V voltage output, ensuring that your smoke detectors and alarm equipment can provide reliable power support when smoke or other emergencies are detected. This high efficiency makes it a reliable power source for safety systems. Long life: 3V CR2 lithium battery has excellent battery life, reducing the frequency of battery replacement, ensuring that your security system can provide reliable protection for a long time. In an emergency, it's a solid backing for your security system. Broad compatibility: Compatible with a variety…