Energizer® Ultimate Lithium™ batteries are the world's longest-lasting professional batteries in high-tech devices. In the field, on the go, when battery changes are inconvenient, Energizer® Ultimate Lithium™ delivers the reliable, leak-proof - and lightweight - power that professionals demand. Nothing outlasts this Energizer Ultimate Lithium 9V battery. They deliver the type of reliable and leak-proof power that professionals demand for high-tech devices - anything from doorbells and smoke detectors to torches, toys and games consoles. * 9V battery - supplied individually for home or professional use * Energizer Ultimate Lithium™ - the world's longest lasting battery * Trusted power - for high-tech devices and everyday essentials * Long-lasting - up to 10 years of shelf life in storage * Reliable - temperature range of -40degC to 60degC for year-long use