PRODUCT DATASHEET 1-800-383-7323 1-800-383-7323 / USA USA/CAN 1-800-383-7323 / CANADA www.energizer.com ENERGIZER 389 SILVER OXIDE Specifications Chemical System: Designation: Nominal Voltage: Typical Capacity: Capacity Test: Typical Weight: Typical Volume: Impedance (40 Hz): Industry Standard Dimensions mm (inches) Silver Oxide (Zn/Ag2O) ANSI-1138SO, IEC-SR54 1.55 Volts 85 mAh* (to 1.2 volts) 10K ohm continuous drain at 21C 1.34 grams (0.048 oz.) 0.32 cubic centimeters (0.019 cubic inch) 5 to 7 ohms * Varies according to the applied load, temperature, and cutoff voltage. Cross Section 3.80 (0.150) Minimum 3.05 (0.120) 11.60 (0.457) 11.30 (0.445) 2.75 (0.108) 2.75 (0.108) Ref. R1.60 (0.063) Ref. Typical 2.49 (0.098) Ref. Anode Cap Gel Anode 0.25 (0.010) Maximum Ref. Permissible deflection from a flat 0.03 (0.001) Minimum Ref. (applies to top edge of gasket or edge of crimp, whichever is higher) Gasket Can Separator Cathode DESIGNED FOR USE ON CONTINUOUS LOW DRAIN (HIGH PULSE ON DEMAND) Typical Discharge Characteristics Temperature Characteristics Typical Performance at 21C (70F) Typical Performance at Low Discharge Rates Service Effects Service (%) 125 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 100 75 50 25 0 -20 0 20 40 Temperature (C) 0 200 400 Service, Hours Schedule Typical Drains at 1.52V (milliamperes) (ohm) Cutoff 1.2V (hours) 0.155 10K 548 Continuous Storage Effects 600 Load 100 Service (%) Voltage, CCV Schedule: Continuous Typical Drain @1.55V: 0.155 milliamperes Load: 10K ohm 0 C 90 20 C 80 70 40 C 60 0 2 4 6 8 10 12 Storage Time (yrs) Important Notice This datasheet contains typical information specific to products manufactured at the time of its publication. (c)Energizer Holdings, Inc. - Contents herein do not constitute a warranty. Form No. EBC - 4351B-Z Page 1 of 1