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Typical Characteristics
Specifications
Cell Type KR-CH(2.5)
Dimensions
of
Bare Cell
H
49.0
±0.3
mm
1.929
±0.012
inch
D
25.2
±0.3
mm
0.992
±0.012
inch
d
8.5 mm
0.335 inch
D
d
H
Nominal Capacity 2500mAh
Nominal Voltage 1.2V
Charging Current
Tr i ck le 8 3m A
Standard 250mA
Charging Time
Trickle above 48Hrs.
Standard 14 to 16Hrs.
Ambient
Temperature
Charge 0°C to +70°C [+32°F to 158°F]
Discharge -20°C to +70°C [ -4°F to 158°F]
Storage -30°C to +70°C [ -22°F to 158°F]
Internal Impedance (Av.)
(at 50% discharge)
6.5m
Ω
(at 1000Hz)
Weight 74g/2.61oz
Dimensions(D)
×
(H)
(with tube)
Charge
1.6
1.5
1.4
1.3
0 6 12 18 24 30 36 42 48
Charge : 83mA
0˚C/32˚F
20˚C/68˚F
40˚C/104˚F
60˚C/140˚F
Cell Voltage (V)
Charge Time (Hrs.)
Charge
1.6
1.5
1.4
1.3
0 2 4 6 8 10 12 14 16
Cell Voltage (V)
Charge Time (Hrs.)
20˚C/68˚F
40˚C/104˚F
60˚C/140˚F
0˚C/32˚F
Charge : 250mA
Discharge
(at low rate)
1.4
1.2
1.0
0.8
0246810121416
Charge : 250mA×16Hrs.
at 20˚C/68˚F
(0.1 It)(0.2 It)(0.5 It)
Cell Voltage (V)
Discharge Time (Hrs.)
Discharge
(at high rate)
1.4
1.2
1.0
0.8
0 1020304050607080
Charge : 250mA×16Hrs.
at 20˚C/68˚F
(2 It) (1 It)
Cell Voltage (V)
Discharge Time (Mins)
Discharge
Trickle charge (at high temperature)
1.4
1.2
1.0
0.8
0 1020304050607080
Cell Voltage (V)
Discharge Time (Mins)
Charge : 83mA×48Hrs.
Charge : 83mA×24Hrs.
Discharge : 2500mA
at 45˚C/113˚F
Temperature
(Charge & Discharge)
100
80
60
40
-20 -10 0 10 20 30 40 60 70˚C
-4 14 32 50 68 86 104 140
50
122 158˚F
Available Capacity (%)
Operating Temperature
90
70
50
Charge Characteristics
Discharge Characteristics
Condition Charge : 83mA×48Hrs.
Discharge : 500mA
(End Volt 1.0V)
26.0
0
×
50.0
0
mm
-0.8 -1.3
1.02
0
×
1.97
0
inch
-0.03 -0.05
CD010830