Specification

Battery Charging Characteristics For Cyclic Use
Cell charge voltage
C
h
ar
g
e
v
o
l
u
m
e
1 Discharge
100 % (0.1CA*10h)
-- 50 % (0.1CA*5h)
2 Constant voltage charging
Charge voltage : 2.45V/cell
Charge current : 0.3CA
3 Temperature : 25
(77 )
Charge current
Charge Time (hr)
Charge volume (%)
Charge current (CA)
Cell charge voltage ( V/Cell )
Charge volume (%)
Charge current (CA)
Cell charge voltage ( V/Cell )
Battery Charging Characteristics for Standby Use
Cell charge voltage
C
h
a
r
g
e
v
o
lu
m
e
1 Discharge
100 % (0.1CA*10h)
--50 % (0.1CA*5h)
2 Constant voltage charging
Charge voltage : 2.275V/cell
Charge current : 0.1CA
3 Temperature : 25
(77 )
Charge current
Charge Time (hr)
( Minute ) ( Hour )
Cell voltage ( V/Cell )
Discharge time
Battery discharge characteristics
Battery Characteristics Graph
Effect of temperature on capacity (20HR)
Temperature Dependency of Capacity (20HR )
40℃
102%
25℃
100%
0℃
85%
-15℃
65%
Battery Dischanging Current VS Dischanging Time
sealed lead-acid battery
model #UB121000 upg #45978
Self-discharge Characteristics
Aging Time Residual Capacity
%19 shtnoM 3
%28 shtnoM 6
%46 shtnoM 21
Note: The data mentioned above just for full charged battery.
III．Charging Procedure
Charging time
0.1CA,
25 (h)℃
Application
Charging
method
Charge
voltage at
25 ℃
(V/cell)
Temperature
compensation
coefficient of
charging voltage
(mV/ ·cell)℃
Max.
charging
current
(CA)
100%
DOD
50%
DOD
Temp ( )℃
For standby
power source
2.25~2.30 -3 0.30 24 20
For cycle
service
Constant voltage
charging (with
current restriction)
2.40~2.50 -4 0.30 16 10
0~40℃
(32~104℉)
Note:
Temperature compensation of charging voltage is not needed, when using the batteries within 15 to℃
35℃ range.
1720 Hayden Drive
Carrollton, TX 75006
P: 469.892.1122
F: 469.892.1123
www.upgi.com
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