Energizer S15280 9V Batteries (Pack 2)These Energizer MAX® 9V alkaline batteries are designed for reliable power. Suitable for smoke alarms, carbon monoxide detectors, and other moderate current drain devices. The pack contains two batteries.Features Zinc-manganese dioxide (Zn/MnO2) chemistry. No added mercury or cadmium. Hold power for up to 5 years in storage.Specifications Brand: Energizer MPN: S15280 EAN: 7638900426533