This pack contains ten new Duracell High Power Lithium DL123 or CR-123A size batteries. Thanks to high purity lithium manganese dioxide in their composition Duracell High Power Lithium 123 cells deliver up to 40 per cent more power than average. Additionally the latest Duralock Power Preserve technology ensures that this product benefits from a shelf life of as long as ten years. In use output potential is typically 3.2 to 3.3 Volts including in icy and extremely hot conditions; the recommended temperature limits are from -20°C minimum to 75° Celsius maximum. Frequent applications include smart devices such as sensors smoke detectors and keyless lock controls in addition to flashlights camera flash units cycle accessories and electronic dog collars. Duracell DL-123 cylindrical batteries have a maximum height of 34.5 millimetres a diameter of 17 millimetres and a typical weight of 17.0 grammes. They are suitable as direct replacements for size codes 5018LC CR123A and CR17345. This product was recently rebranded from Duracell Ultra Lithium to Duracell High Power Lithium.