Datasheet

This data is subject to change. Performance information is typical. Contact Duracell for the latest information
Delivered capacity is dependent on the applied load, operating temperature and cut-off voltage. Please refer to the charts
and discharge data shown for examples of the energy / service life that the battery will provide for various load conditions.
**
5/04
MN1203
Alkaline-Manganese Dioxide Battery
Zn/MnO2
Size: MN1203 (3LR12)
Nominal Voltage: 4.5 V
Nominal Internal
Impedance:
816 m-ohm @ 1kHz
Average Weight: 154 gm (5.4 oz.)
Volume: 83 cm
3
(5.08 in.
3
)
Terminals: Flat
Operating Temperature
Range:
-20
o
C to 54
o
C
(-4
o
F to 130
o
F)
IEC: 3LR12
Dimensions shown are IEC standards
67
63
mm
27
23
mm
38
32
mm
1
Min.
mm
22
20
mm
7
6
mm
62
60
mm
Typical Discharge at 20 ohm at various Temperatures
Berkshire Corporate ParkBerkshire Corporate Park
Bethel, CT 06801 U.S.A.Bethel, CT 06801 U.S.A.
Telephone: Toll-free 1-800-431-2656Telephone: Toll-free 1-800-544-5454
Internet: www.duracell .com
2.4
2.9
3.4
3.9
4.4
4.9
0 5 10 15 20 25 30
Service Hours
Voltage
21 C
0 C
-20 C
0
0
Typical Discharge at 220 ohm at various Temperatures
2.4
2.9
3.4
3.9
4.4
4.9
0 50 100
150 200 250 300 350
Service Hours
Voltage
0 C
-20 C
0
0
0
21 C
0