Specification Sheet

Charge Chatacteristic Curve Cycle Service Life in Relation to Depth of Discharge
Temperature Effects on Capacity
Relationship Between Charging Voltage and Temperature
Self Discharge Characteristic
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UPG No. 40870
Maintenance-Free
UB63800
Cycle
Service
Life
in
Relation
to
Depth
of
Discharge
Self Discharge Characteristic
Number of cycles(cycles)
Capacity(%)
80% D.O.D.
120
100
80
60
40
20
0
600 1200
1800
2400
3000
3600 4200
20%D.O.D.
50%D.O.D.
R l ti hi B t Ch i V lt d T t
Battery voltage(V)
6.75
6.5
6.25
6
5.75
5.5
0 10 20 30 40 50 60 70 80 90 100
Charging time (hours)
Charged Volume
(%)
Current
(XCA)
Voltage
(V)
15.0
14.0
13.0
12.0
11.0
0.25
0.20
0.15
0.10
0.05
0
0 2 4 6 8 10 12 14 16 18 2 0
Constant voltage charge characteristic
o
(0.25CA,20 C)
CHARGED VOLUME
140
120
100
80
60
40
20
0
CHARGE VOLTAGE
CHARGING CURRENT
Temperature
Effects
on
Capacity
120
100
80
60
40
20
0
-20 -10 0 10 20 30 40 50
Capacity (%)
o
Temperature( C)
0.1
C
0.2C
1.0C
2.0C
Temperature Effects on Capacity
Self
Discharge
Characteristic
110
100
90
80
70
60
50
40
0 2 4 6 8 10 12 14 1 6 18 20
Storage time: months
Capacity(%)
o
40 C
o
30 C
o
20 C
Relationship
Between
Charging
Voltage
and
Temperature
Relati
on
ship Bet
we
en
Cha
rg
in
g
Volt
ag
e
an
dTe
mp
er
at
ur
e
-10 0 10 20 30 40 50 60
o
Ambient temperature( C)
(V/12V)
15.6
15.0
14.4
13.8
13.2
(V/8V) (V/6V) (V/4V)
(V/CELL)
10.4
10.0
9.6
9.2
8.8
7.8
7.5
7.2
6.9
6.6
5.2
5.0
4.8
4.6
4.4
2.6
2.5
2.4
2.3
2.2
STAN
D
BY USE
CYCLE USE
Relationship of OCV and State of Charge (20 C)
Relative State of Charge (%)
488 S.Royal Lane Coppell, Texas 75019 P 469.892.1122 T 866.892.1122 F 469.892.1123 [e-mail]
Discharge Time vs. Discharge Current
Discharge Characteristics
(Minute) (Hour)
Discharge time
Cell voltage (V/Cell)