Sanyo Battery Charger KR CH25 User Guide

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