PRODUCT DATASHEET 1-800-383-7323 1-800-383-7323 / USA USA/CAN 1-800-383-7323 / CANADA www.energizer.com ENERGIZER 191 Miniature Alkaline Specifications Industry Standard Dimensions Chemical System: Manganese Dioxide (MnO2) Designation: Nominal Voltage: Typical Capacity: IEC-LR55 1.5 Volts 49 mAh (to 0.9 volts) Rated at 15K ohms / 21°C (70°F) 0.8 grams (0.03 ounces) 0.20 cubic centimeters (0.01 cubic inch) Typical Weight: Typical Volume: mm (inches) Cross Section 3.80 (0.150) Minimum 2.10 (0.083) 1.85 (0.073) 11.60 (0.457) 11.30 (0.445) R1.5 (0.059) Ref. 1.90 (0.075) Ref. 1.60 (0.063) Ref. Anode Cap Anode Gel 0.20 (0.008) Maximum Ref. Permissible deflection from a flat Gasket Cathode Can Separator 0.03 (0.001) Minimum (applies to top edge of gasket or edge of crimp, whichever is higher) Cathode Designed for electronic applications which may require high rate pulses Typical Discharge Characteristics Depth of Discharge Test 21°C (70°F) Percent of rated Capacity at 21°C (70°F) Load: 15K ohms - Continuous Typical Drain @ 1.25V: 0.057 mA Typical closed circuit voltage during discharge on a load of 100 ohms for 0.1 to 2.0 seconds 1.6 % Rated Capacity Voltage, CCV 1.5 1.4 0% 40% 80% 1.44V 1.17V 1.05V 1.3 1.2 Bulge Data 1.1 1.0 0.9 0 150 Schedule: Continuous 300 Service, Hours 450 600 Typical Drains: at 1.25V (milliamperes) (ohms) Cutoff 0.9V (hours) 0.083 15,000 588 Load This battery will bulge as it is discharged but will not exceed the maximum height shown on the battery drawing. Important Notice This data sheet contains typical information specific to products manufactured at the time of its publication. ©Energizer Holdings, Inc. - Contents herein do not constitute a warranty. Form No. EBC - 4404H Page 1 of 1