PN: CR2025 3VNOMINAL VOLTAGE: 3VNOMINAL CAPACITY (MAH)*1: 170NOMINAL DISCHARGECURRENT (MA): 0.2OPERATING TEMPERATURE RANGE (DEG. C)*2: -20 TO +85DIAMETER (MM): 20.0MMHEIGHT (MM): 2.5MMWEIGHT (G)*3: 2.5GCHEMICAL SYSTEM: LITHIUM MANGANESE DIOXIDE