377 silver oxide coin cell with 1.55V and 24mAh. With their excellent quality and reliability, Renata's silver oxide coin cells are being used in medical equipment, watches, remote controls, pocket computers and many other devices being produced today. With continual investments and with persistent optimizing of Renata's manufacturing processes Renata's state of the art, fully automated manufacturing facilities, ensure the outstanding quality of Renata's 100 percent mercury - free coin cells.