PKUNIN 9V Batteries 12 Pack Alkaline 9 Volt Battery for Smoke Detector Long-Lasting Square 9V 6LR61 Fire Alarm Batteries 10-Year Shelf Life

ULTRA LONG-LASTINGPKUNIN alkaline 9v batteries have high performance and durability to meet all your electricity needs in daily life or work. Smoke detector batteries 9 volt size pack lasts 3-5 times longer than ordinary carbon 6f22 batteries.
POWER EVERYDAY DEVICES9v battery for smoke detector, smoke alarms, microphones, guitar pedals, walkie-talkies, wireless doorbells, eliminator, gun safe, transistor radio, flashlight, bass guitar, bathroom scale, etc.
10-YEAR SHELF LIFEManufactured with strict quality control, PKUNIN 9V alkaline batteries have a 10-year storage life that guarantees stable voltage and consistent output. Fire alarm 9volt batteries is date-coded to ensure the freshest battery on the customer' s purchase date. No matter what power source you need, PKUNIN 9v battery does the job perfectly.
LEAKPROOF DESIGNNo damage to your precious equipment, square batteries 9 volt with a more advanced leak-proof design and are certified to international safety standards. (Note: 9V alkaline batteries are NOT rechargeable)
ENVIRONMENT FRIENDLYPKUNIN 6lr61 Battery 9 volt batteries 12 pack dont contain Hg/Cd/Pb, the composition of smoke alarm battery is environmentally friendly and 9volt battery pack will not cause pollution to the environment, contributing to a green and healthy life.