maxell Japan Watch Battery Use By 12-2026 Equivalent models: SR626SW, SR66,SR626,SB-AW,280-39,V377, D377,S626E,GP377,AG4,AG-4,377,L626,SG4 LR626,LR66,SR628SW,E377,E377CA,LR626SW377A,SR262SW,377X,377S,GP177,SR6265W, 377/376,E377A,SR66SW,SR625SW. BatteryΒ SR626SW/377 SR621SW/364 is most often used as a watch battery replacement. Button battery cells can also be used in other electronic devices such as key-less remote entry systems for cars and homes, in hand-held electronic devices, lazers, LED lights, and as batteries in calculators, photo cameras, audio books, games, toys, and more. Brand / Type: MAXELL Model:Β SR621,SR626 Chemistry: Silver Oxide Output Voltage: 1.55V