Button Cell Battery Battery Size 371 Battery Chemistry Silver Oxide Voltage - Batteries 1.5V DC Standard Battery Pack Size 1 Capacity - Batteries 34 mAh Battery Cross-Reference 280-31 371 AG6 D371 SB-AN SR920SW V371 Drain Type - Battery Low Drain Diameter 0.369 in Depth 0.078 in Standards ANSI Color Code No Code