Silver oxide low drain battery 1.55 V. Watch Battery SR1116SW measures 11.6 x 1.6mm. SR1116SW has a capacity of 47 mAh. Must purchase in increments of 5.
Interchange: Energizer 366, Renata 366, Maxell SR1116SW, Varta 366, Rayovac 366, Citizen 280-46, I.E.C SR1116
Maxell Japan batteries