EVEREADY BATTERY CO. Internet: www.energizer.com 1-800-383-7323 / USA/ USA 1-800-383-7323 1-800-383-7323 / CANADA 1-800-383-7323 / CANADA + 44 (0) 208 920 2306 / EUROPE ENERGIZER NO. 123 (EL123) Industry Standard Dimensions in mm (inches) Chemical System: Lithium Lithium/Manganese Dioxide (Li/MnO2) Designation: Battery Voltage: Average Weight: Volume: Storage Temp: Operating Temp: Average Capacity: ANSI / NEDA-5018LC, IEC-CR17345 3.0 Volts 16.8 grams (0.59 oz.) 7.1 cubic centimeters (0.4 cubic inch) -40ºC to 60ºC (-40ºF to 140ºF) -40ºC to 60ºC (-40ºF to 140ºF) 1500 mAh to 2.0 volts (Rated Capacity at 100 ohms at 21ºC) Maximum Reverse Charge Current: Max Discharge: Cells: 2 microampere 1500 mA continuous - 3500 mA pulse One 2/3A Typical Discharge Characteristics Schedule: 3 sec ON / 27 sec OFF Typical Drain: 900 milliamperes 3.5 Voltage, CCV 3.0 20ºC 2.5 2.0 1.5 -20ºC 1.0 0 This battery Contains a Positive Temperature Coefficient (PTC) Device to Limit Current Flow 400 800 1200 Cycles 1600 2000 Typical Discharge Characteristics Schedule: 3 sec ON / 7 sec OFF Typical Drain: 1200 milliampere 3.5 Simulated Application Test Estimated Average Service at 21ºC (70ºF) 24 hours/ day 24 hours/ day 3 sec ON / 7 sec OFF 3 sec ON / 27 sec OFF Load (ohms) Cutoff Voltage 2.0 V 1.55 V 1.3 V Hours Cycles - 100 56 - - 1000 - 1.0 - - 1200 - - - 1400 900 - - 1900 - Voltage, CCV Typical Drains Schedule: (mA) 3.0 20°C 2.5 2.0 -20°C 1.5 1.0 0 300 600 900 1200 1500 Cycles Important Notice This data sheet contains information specific to batteries manufactured at the time of its publication. Contents herein do not constitute a warranty. Copyright © Eveready Battery Co. Inc. - All Rights Reserved Form No. EBC - 4204H Page 1 of 1