AG7 : 1.5 Alkaline battery (395, 399, SR927SW, SR57, SR57H, SR327W)
AG7: 1.55 volt Primary battery. Dimensions: 9.5 mm in diameter and 2.6 mm in height (0.374 x 0.102 inches). Replaces SR927W, SR57, SR927, SB-BP/EP, 280-44, V399, D399, 613, GP399, 926E, 399, AG7, AG-7, LR927, GR927, SR927SW, CX926, 399X, 399A, SR57H, LR926, SB-BP, SR927PW, SR327W.
Pricing is for 1 battery. Picture shows both sides of battery.