9V 6F22 Square Long Life Batteries, Low Self-Discharge, for Smoke or Fire Detectors, Multimeters, Remote Control Cars, Pack of 40

9V battery applications: fire alarms, smoke detectors, irrigation timers, sprinklers, remote-controlled cars, toys, metal detectors, multimeters, clocks, alarm clocks, musical instruments, electro-acoustic guitars, dog collars, garden tools, blood pressure monitors, temperature meters, etc. It is widely used in devices that require 9V batteries. Chemical Composition: Zinc Carbon, Voltage: 9 volts, Size: Height: max 48.5 mm, min 46.5 mm, Width: max 17.5 mm, min 15.5 mm, Length: max 26.5 mm, min 24.5 mm. Shelf life: the battery shelf life is 3 years at 20℃ and RH60. Safety: does not contain nickel, cadmium, lead, or mercury. 9V 6F22 Zinc Carbon Rectangular Dry Cell Batteries. These 6F22 batteries offer ultra-long-lasting performance and will keep your devices running longer. Things to know before buying: Please confirm the required size. Precautions: Never charge the battery and insert it correctly with its positive (+) and negative (-) terminals. Other types of disposable batteries