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Chemical System: Manganese Dioxide (MnO
2
)
Desi
g
nation: IEC-LR54
Nominal Volta
g
e: 1.5 Volts
Typ
ical Ca
p
acit
y
: 86 mAh
(
to 0.9 volts
)
Rated at 15K ohms
/
21°C
(
70°F
)
Typical Weight: 1.0 grams (0.04 ounces)
Typ
ical Volume: 0.30 cubic centimeters
(
0.02 cubic inch
)
0% 40% 80%
1.47V 1.17V 1.04V
Load Cutoff
0.9V
(
ohms
)
(
hours
)
15,000 1,036
Important Notice
This data sheet contains typical information specific to products manufactured at the time of its publication.
©Energizer Holdings, Inc. - Contents herein do not constitute a warranty.
ENERGIZER 189 Miniature
Percent of rated Capacity at 21°C (70°F)21°C (70°F)
Bul
g
e Data
S
p
ecifications
Cross Section
Continuous 0.083
% Rated Capacit
y
at 1.25V
(milliamperes)
Schedule: Typical Drains:
mm (inches)
T
yp
ical Dischar
g
e Characteristics De
p
th of Dischar
g
e Test
Industry Standard Dimensions
PR
O
D
UC
T DATA
S
HEET
1-800-383-7323 / USA
1-800-383-7323 / CANADA
1-800-383-7323 USA/CAN
www.energizer.com
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
0 300 600 900 1200
Voltage, CCV
Service, Hours
Load: 15K ohms - Continuous
Typical Drain @ 1.25V: 0.083 mA
This battery will bulge as it is discharged but will not exceed the
maximum height shown on the battery drawing.
Typical closed circuit voltage during discharge
on a load of 100 ohms for 0.1 to 2.0 seconds
Anode Cap
Anode Gel
Gasket
Cathode Can
Separator
Cathode
3.80 (0.150)
Minimum
2.75 (0.108)
3.05 (0.120)
2.70 (0.106) Ref.
2.50 (0.098) Ref.
11.25 (0.443)
11.60 (0.457)
R1.5 (0.059) Ref.
0.25 (0.010) Maximum Ref.
Permissible deflection from a flat.
0.13 (0.005) Minimum Ref.
(Applies to top edge of gasket or
edge of crimp, whichever is higher.)
Form No. EBC - 4402G Page 1 of 1