Specifications: Chemistry: Alkaline Voltage: 1.5 Volt Dimensions: 11.6 mm x 3.1 mm Brand: Maxell QTY: 10 Ideal for the following applications: Laser pointers Watches Cameras Alarm transmitter Rescue heroes Children Books Calculators Blood Pressure Instrument Sugar Level Detectors Many Others Equivalent Batteries: GP389, 389, V389, D389 LR54, SR54 SR1130W, SR1130, LR1130 189 GP189 S1131E, L1131 G10, V10GA RW89 626 M Battery SB-BU 280-15