1.2Ah capacity Ideal for smoke detectors 10 year life in smoke detectors Now there s no need to change batteries every year to keep your home and family protected by working detectors. Ultralife uses the latest lithium technology to produce a 9V battery which has been designed especially for low-energy equipment like smoke detectors and wireless alarm PIRs. Enjoy years of peace of mind with the longest lasting 9V battery in the world today, backed by the less…