These Ultimate Lithium Batteries are the world’s longest lasting battery for high-tech devices, enduring up to 9x longer so you can keep at the ready. With the need to replace batteries less frequently, you’re saving money while also decreasing the impact of harmful waste on the environment. Use Energizer’s Lithium Batteries in anything from wireless keyboards and mouses to digital cameras, taking up to 720 shots (compared with alkaline’s 80 shots) These Ultimate Lithium Batteries are the world’s longest lasting battery for high-tech devices, enduring up to 9x longer so you can keep at the ready. With the need to replace batteries less frequently, you’re saving money while also decreasing the impact of harmful waste on the environment. Use Energizer’s Lithium Batteries in anything from wireless keyboards and mouses to digital cameras, taking up to 720 shots (compared with alkaline’s 80 shots).