LR48, LR750, SR48, AG5/SG5, LR754, SR754, Orange Tab/13, 193/309/393 etc. are small, button coin cell batteries often used in watches, toys, small LED flashlights, wearable electronics, remote controls and similar.
Physical dimensions are diameter 7.9 mm (~0.311 inch) and height 5.4 mm (0.213 inch) and may be found as alkaline, silver-oxide and zinc-air batteries.
Other names associated with the AG5 coin cell battery are: 393 309 193 LR754 LR48 D309 and D393.
