05990I269
Data Sheet Model No.: GP391
Typical Discharge Characteristics at 20°C
Description : Silver Oxide High Drain Button Cell
Nominal Voltage : 1.55 Volts
Nominal Dimensions : Ø11.60 X 2.10mm
Applications : Watch (with alarm and lamp),
calculator, melody card, etc.
Average Weight : 0.9g
Shelf Life : Not less than 90% of the
service capacity, following
1st year storage at 20°C.
Date Code : Unless otherwise specified,
each cell will carry a numeric
year code and an alphabetical
month code.
Nominal Service Life : 535 hrs (at 20kΩ Load)
(to 1.2V at 20°C) 110 days (at 100kΩ Load)
Average Service Capacity:
40 mAh (rated capacity at 15kΩ load,
cut off voltage 1.2V at 20°C)
Close circuit voltage:
1.25 Volts (min.) (load resistor 100Ω at
20°C for 1 to 2 seconds)
1.4
1.2
1.0
0.8
0 100 200 300 400 500
Service Hours
Load resistor 15kΩ
Voltage
Ø8.0 (ref.)
+0
Ø11.60 –0.20
+0
2.10 –0.20
0.20
(ref.)
0.10
(ref.)
Unit : mm
BRS0230 REV. 0
Cross Reference:
IEC JIS EVEREADY VARTA DURACELL PANASONIC SONY
SR55 SR55 391 V391 D391 SP391 SR1120SW