Energizer 390/389 – SR1130 Silver Oxide Button Battery provide an excellent combination of high energy and continuous voltage supply. These batteries provide long shelf life for back up energy purposes together with ideal temperature resistance and superior storage. The 390/389 – SR1130 batteries are encased individually, each with its own tear strip packaging. • Features:  Multi-Drain is a new technology from Energizer - combining Low Drain (LD) and High Drain (HD) batteries of the same voltage into one battery.  7-year shelf life - longer than previous LD or HD.  Great for watches, computer motherboards, calculators, PDAs, electronic organizers, garage door openers, toys, games, door chimes, pet collars, LED lights, sporting goods, pedometers, calorie counters, stopwatches and medical devices etc.  Associated Battery Sizes: 10L122, 280-15, 389/390, D389/390, SB-BU, SR1130W, SR54 • Specification  Chemical System: Silver Oxide (Zn/Ag2O)  Designation: ANSI-1138SO, IEC-SR54  Nominal Voltage: 1.55 Volts  Typical Capacity: 88 mAh (to 1.2 volts)  Capacity Test: 15K ohm continuous drain at 21°C  Typical Weight: 1.35 grams (0.048 oz.)  Typical Volume: 0.32 cubic centimeters (0.019 cubic inch)  Impedance (40 Hz): 5 to 10 ohms
