Super fresh genuine Renata 1.55v Watch batteries. Works for: Watches, computer motherboards, calculators, PDAs, electronic organizers, garage door openers, toys, games, door chimes, pet collars, LED lights, sporting goods, pedometers, calorie counters, stopwatches and medical devices and all other devices that requires this battery size. Equivalent to: SR621SW, SR60, SR621, SB-AG/DG, 280-34, T, V364, D364, 602, S621E, GP364, AG1, AG-1, 364, L621, LR621, SG1, LR60, LR620, SW621, GP164, 364X, 364A, AG1/364A, SB-AG, E364, Renata offers a suitable power source for any electronic device requiring an ultra-compact, long lasting, low voltage power source. An optimized volume/capacity ratio dimensional precision and stability High capacity retention on storage (low self-discharge) Excellent reliability thanks to a uniformly high quality level state of the art being leak proof thanks to a sophisticated sealing process. Renata's performance is worth having on your side and in your devices.