Power your industrial and professional devices with Industrial 9V Lithium Batteries. Proven lithium performance keeps you on the job with the longest-lasting professional batteries in high-tech devices at construction sites, facility maintenance, repair services, medical centers, business offices, classrooms and more. 9-Volt batteries are 100 percent leakproof in standard use. They perform in extreme temperatures (from negative 40 to 140 degrees Fahrenheit) and hold their power with up to 10 years of shelf life. All of these features are packed inside a lithium 9-volt battery that weighs 25 percent less than an alkaline 9-volt battery. These 9-volt batteries provide up to 10 years of backup battery in AC-powered smoke detectors. For the precision devices and crucial equipment of your work site, depend on the power and protection of Industrial 9V Lithium Batteries.