Introducing our square battery 9V alkaline powerhouse. With a 5-year shelf life you will always have reliable long-lasting power at your fingertips. Our battery is not only durable but also eco-friendly as it is Mercury-Cadmium-Lead Free. Each pack includes one 9V alkaline battery making it the responsible choice for your devices and the environment. Choose this alkaline 9-volt battery for your power needs from smoke detectors and wireless microphones to remote controls and musical instruments. Enjoy peace of mind knowing you are making a sustainable choice.