PKCELL 9V Battery, Block 6F22 Batteries for Smoke Detector, Radio Camera, Toy, Pack of 2

Batteries 9V 6F22 zinc carbon dry battery have an extremely long service life, stable discharge without damaging your devices, ideal for smoke detector batteries. Service life: the storage life of the batteries is 3 years at 20℃ ± 2℃ and RH 60±15%. Chemical composition: zinc carbon, voltage: 9 volts, size: 25.5 x 16.5 x 47.5 mm. Applications: smoke detector, fire alarm, toys, metal detector, dog collar, garden tool, remote control, multimeter, sprinkler control, etc. Precautions: Never charge the battery and insert the battery correctly with plus (+) and minus (-).