Specifications Brand/Series:TL Series Capacity:400 mAh Chemical System:Lithium Dimensions:0.295" H x 0.728" Dia. Primary Type:Primary (Non-Rechargeable) Size:Coin/Button Temperature, Operating:-55 to +85°C Temperature, Operating, Maximum:85 °C Temperature, Operating, Minimum:-55 °C Termination:Thru-Hole Voltage Rating:3.6 VDC Voltage, Nominal:3.6 V Volume:1.35 cc Weight:0.201 oz. Oz.