PREMIUM SILVER OXIDE POWER: Engineered with a high-density 20mAh silver oxide core, providing a highly stable 1.55V continuous output. Ensures your high-precision watches and critical devices run accurately without sudden voltage drops
EXACT FIT COMPATIBILITY: Designed to strict sizing standards (6.8mm x 2.1mm) for a seamless fit. Perfectly replaces equivalent 1.55V battery models including SR621SW, 364, AG1, LR621, 164, and D364
LEAK-PROOF & EXTREME RESISTANCE: Built to withstand the elements. Features advanced sealing technology to protect your expensive devices from corrosive leaks, and operates flawlessly in extreme temperatures ranging from -20°C to +60°C (-4°F to 140°F)
VERSATILE APPLICATIONS: The ultimate reliable power source for daily and professional electronics. Perfect for powering analog and digital wristwatches, medical thermometers, calculators, key fobs, and precision instruments(Check your device for required battery model)
3-YEAR SHELF LIFE & ECO-FRIENDLY: Stock up with true peace of mind. These zero-mercury and zero-lead (0% Hg/Pb) batteries safely hold power for up to 3 years in storage, providing an environmentally conscious energy solution for your family