Pack of 4VARTA ULTRA Lithium batteries are work exceptionally well under extreme conditions - great for outdoor or indoor use. Versatile to use - the batteries can handle extreme temperatures, for outdoor lighting. They also work perfectly with safety devices like smoke detectors. Highest quality for high-energy demands to keep you independent in all areas of life.High quality and performance for energy-intensive fields of applications, such as digital cameras, GPS systems and walkie talkiesSmart and convenient packaging solution: Innovative opening/closing mechanism for a simple battery storage for used or unused batteriesInnovative new cell design and unique matt label finish for a premium haptic appearance and maximum brand recognitionWorks exceptionally well under extreme conditions and temperaturesEasy and smart recognition of recommended use by modern icons15 years power in storage guaranteed