May also be known as: AG5, SR48, SG5, LR48, 15, 48, 193, 309, 393, 546, L754, LR754, SR754, 1136SO, 1137SO, 393A, V393, D393, GP393, L754, SR754W, D309, LR750, G5, G5A, SB-B4, RW28, 309-1 W, 393-1 W

Application: Flashlight, hearing device, boresight, hearing aids, laser bore sights, fitness tracker, rifle reflex scope, laser bore sight, 556 laser, Heart Rate Monitor, toys, Watches, Cameras, Calculators, Car Security Alarm, Keyless Car Remotes, Organizers, Computer Equipment (memory backup battery) CMOS, Clocks,LED candles ,electronic pens and so on.