SR 726 silver oxide (SR) and alkaline batteries (LR) are commonly used in watches, clocks, timers, calculators, laser pointers, toys, and LED "blinkies". Batteries that meet the IEC 60086-3 standards for watch batteries carry a "W" suffix. The functional differences between silver oxide and alkaline are:
SR726 batteries can be used to replace the following: SR726W, SR59, SR726, SB-BL. 280-52, V, V396, D396, 612, GP396, S726E, 396, SG2, 396A, 396X, SR726PW, E396. All have dimensions of 7.9 mm diameter 2.6 mm height, and a capacity of 32 mAh.