Chemical System: Silver Oxide (Zn/Ag
2
O)
Designation: ANSI-1138SO, IEC-SR54
Nominal Voltag e : 1.55 Volts
Typical Capacity: 85 mAh* (to 1.2 volts)
Capacity Test : 10K ohm continuous drain at 21°C
Typical Weight: 1.34 grams (0.048 oz.)
Typical Volume: 0.32 cubic ce n timeters (0.019 cub ic inch )
Impedance (40 Hz): 5 to 7 ohms
Load Cutoff
1.2V
(ohm) (hours)
10K 548
Typ ical Pe rformanc e at 21°C (70°F)
mm (inches)
Typical Discharge Characteristics
at 1.52V
(milliamperes)
Schedule Typical Drains
©Energizer Holding s, Inc. - Contents herein do not constitut e a warranty.
Im
p
ortant Notice
This data sheet c o ntains t ypical informa tion s pec ific to prod uct s manufac tured at the time of it s publica t ion.
Continuous 0.155
Indu st ry St a n dar d D i mensio ns
ENERGIZER 389
Typical Performance at Low Discharge Rates
Temperature Characteristics
SIL VER OXIDE
Specifications
Cross Section
* Varies according to the applied load, temperature, and cutoff voltage.
PRODUCT DATASHEET
1-800-383-7323 / USA
1-800-383-7323 / CANADA
1-800-383-7323 USA/CAN
www.energizer.com
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
0 200 400 600
Voltage, CCV
Service, Hours
Schedule: Continuous
Typical Drain @1.55V:
0.155 milliamperes
Load: 10K ohm
DESIGNED FOR USE ON CONTINUOUS LOW DRAIN
(HIGH PULSE ON DEMAND)
0
25
50
75
100
125
-20 0 20 40
Service (%)
Temperature (C)
Service Effects
60
70
80
90
100
024681012
Service (%)
Storage Time (yrs)
Storage Effects
40 C
20 C
0C
Anode Cap
Gel Anode
Gasket
Can
Separator
Cathode
11.60 (0.457)
11.30 (0.445)
R1.60 (0.063) Ref.
Typical
0.03 (0.001) Minimum Ref.
(applies to top edge of gasket or
edge of crimp, whichever is higher)
0.25 (0.010) Maximum Ref.
Permissible deflection from a flat
3.80 (0.150)
Minimum
2.75 (0.108)
3.05 (0.120)
2.49 (0.098) Ref.
2.75 (0.108) Ref.
Form No. EBC - 4351B-Z Page 1 of 1
