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This data is subject to change.  Performance information is typical.  Contact Duracell for the latest information

6/08

MN21

Alkaline-Manganese Dioxide Battery

Nominal Voltage:

12.0  V

Nominal Internal
Impedance:

22 ohm @ 1kHz

Average Weight:

 7.4 gm (0.26 oz.)

Average Volume:

2.3 cm

3  

(0.14 in.

3

)

Terminals:

Flat

Operating Temperature
Range:

-20

o

C to 54

o

C

(-4

o

F to 130

o

F)

NEDA:
IEC/ANSI:

1811A
-

RECESSED FLAT 
CONTACT TERMINAL

FLAT CONTACT 
TERMINAL

0.30 
0.20

0.58 
0.43

+

 )

10.30 mm

mm

mm

mm

mm

mm

9.70

5.63 
5.38

 )

28.50 
27.50

5.63 
5.38

6

7

8

9

10

11

12

13

0

20

40

60

80

100

120

140

160

180

Service Hours

Voltage (v)

10K ohm  =  0.96 mA
20K ohm  =  0.52 mA
46K ohm  =  0.22 mA 

TYPICAL DISCHARGE CHARACTERISTICS AT 21°C (70°F)

Zn/MnO

2

Berkshire Corporate Park
Bethel, CT  06801 U.S.A.
Telephone: Toll-free 1-800-544-5454
Internet: www.duracell.com

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.

*

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