Silver oxide high drain battery 1.55 V. Watch Battery 371 measures 9.5X2.0mm. Renata 371 is mercury free and has a capacity of 35 mAh. Must purchase in increments of 10.
Interchange: Energizer 371, Maxell SR920SW, Varta V371, Rayovac 371, Duracell D 370/371,Citizen 280-31, Seiko SB-AN, I.E.C SR921 (SR69).
Renata batteries