The 3 Volts CR2025 Lithium coin battery of size 2.5 mm x 20 mm Dia, is designed to use in fitness appliances, digital watches, car key remotes, calculators and toys. Low self-discharge of the battery ensures a long shelf life of 10 years. Mercury-less battery operates at a temperature of -30 to 60 deg C. Compact design of the battery replaces two or three conventional batteries and produces a powerful source of energy.The combination of lithium and manganese dioxide offers great chemical stability and discharges even under low-load discharge conditions. High weight-to-power ratio provides good protection against any leaks.