Duracell MN21BPK Battery, 12 V Battery, 33 mAh, MN21 Battery, Alkaline, Manganese Dioxide

Long-lasting Duracell Specialty MN21 alkaline batteries are reliable choice for your medical devices (thermometer, glucometer, blood pressure instrument), security devices (bank card reader, alarm transmitter), toys (small toys, children's books) and other electronics (watch, calculator, laser pointer, anti-bark spray collar). Duralock Technology preserves battery's power up to 5 years in storage.