The Panasonic 6LR61 is a reliable alkaline battery from the Everyday Power series, designed to provide steady energy for your small household electronics. With a voltage of 9V and a standard rectangular PP3 form factor measuring 48.5 x 26.2 x 17.5 mm, this 1 piece pack fits seamlessly into common devices like smoke detectors, handheld microphones, or digital multimeters. Weighing approximately 45-50 g, this single 6LR61 cell is built with leak protection to help keep your equipment safe from damage over time. You can also store these in a drawer for future use without worry, as they maintain their charge for a shelf life of 5 years.