VARTA Batteries V390/SR54 Coin Cell, Pack of 1, silver Coin, 1.55 V child-safe packaging, oxide technology, mercury-free, for clinical thermometer, heart-rate monitor or car key

VARTA brand quality - mercury-free brand-name battery, made to last, maximum leak protection, long-lasting and designed for precise high performance to power smart home and healthcare applications Advanced technology - Pack of 1 V390/SR54 silver oxide button cell with 1.55 V voltage and silver oxide technology for constant voltage and long-lasting power as a watch battery Precise power delivery - For everyday use in toys, calculators, sports equipment, clinical thermometers, heart rate monitors, medical devices, bathroom and kitchen scales, speedometers, sensors, alarm systems and torches Long shelf life - Can be stored for up to 3.5 years, ensuring reliable stockpiling without loss of performance, suitable for a wide range of applications Child-proof packaging - Compact, space-saving blister pack; premium batteries can only be removed with scissors; compliant with IEC 60086-4 Ed.5