V 389 MF Mercury - free Primary Silver Data Sheet Type Number ................................. Designation IEC ............................. 20389 SR54 System .......................................... Silver oxide / Zinc / KOH - Electrolyte Nominal Voltage ............................. Typical Capacity C .......................... Load 5.6 kOhm, at 20C down to 1.2 V 1,55 V 81 mAh Weight (approx.) .............................. 1,31 g Volume .......................................... 0,28 ccm Coding............................................ Date of Manufacturing Month/Year Temperature Ranges Storage .......................................... Discharge ....................................... min -10C -10C max. 65C 65C Dimensions Diameter ()..................................... Height (A/B) .................................... min 11,25 2,75 max. 11,60 3,05 Segment ......................................... Watch / High Drain Main Applications ............................ Watch Photo Electronic Typical Capacities (at 20C) Load End Voltage: Continuous 24h/d,7d/w Current [A]: 5600 Time: 295 h Capacity [mAh]: 81 Energy [mWh]: 124 Subject to change without prior notice ! 275 1.2 V VARTA Microbattery GmbH Daimlerstrae 1, 73479 Ellwangen, Germany Tel.: +49 79 61 921-0 Telefax: +49 79 61 921-553 Fo_171 Date of Issue: 02.12.2009 Discharge Type