Contact information, Charging, Chargers – Power-Sonic PS-12400 User Manual
Page 2: Further information, Constant power discharge ratings
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Charging
Cycle Applications: Limit initial current to 12A. Charge until battery voltage
(under charge) reaches 14.4 to 14.7 volts at 68°F (20°C). Hold at 14.4 to 14.7
volts until current drops to under 400mA. Battery is fully charged under these
conditions, and charger should be disconnected or switched to “float” voltage.
“Float” or “Stand-By” Service: Hold battery across constant voltage source of
13.5 to 13.8 volts continuously. When held at this voltage, the battery will seek its
own current level and maintain itself in a fully charged condition.
Note: Due to the self-discharge characteristics of this type of battery, it is
imperative that they be charged within 6 months of storage, otherwise permanent
loss of capacity might occur as a result of sulfation.
Chargers
Power-Sonic offers a wide range of chargers suitable for batteries up to 100AH.
Please refer to the Charger Selection Guide in our specification sheets for “C-Series
Switch Mode Chargers” and “Transformer Type A and F Series”. Please contact our
Technical department for advice if you have difficulty in locating suitable models.
C
ap
ac
ity
R
et
en
tion
R
at
io
(%
)
Standing Period (Months)
100
80
60
40
0
0 2 4 6 8 10 12 14 16 18 20
40
o
C
(104
o
F)
30
o
C
(86
o
F)
20
o
C
(68
o
F)
5
o
C
(41
o
F)
Charging is not
necessary unless
100% of capacity
is required.
Charging before
use is necessary
to help recover
full capacity.
Chargemayfail
to restore full
capacity. Do not
let batteries reach
this state.
Discharge Characteristics
Discharge Time vs. Discharge Current
Shelf Life & Storage
PS-12400 12 Volt 40.0 AH
®
Further Information
Please refer to our website www.power-sonic.com for a complete range of useful
downloads, such as product catalogs, material safety data sheets (MSDS), ISO
certification, etc..
13.0
12.0
11.0
10.0
9.0
8.0
14.0
Constant Power Discharge Ratings
MODEL
FINAL
VOLTAGE
WATTS PER CELL @ 25° C
5 MIN
10 MIN
15 MIN
20 MIN
30 MIN
45 MIN
60 MIN
PS-12400
1.75
270
183
140
115
86
64
49
1.70
278
187
143
116
87
65
50
1.67
280
189
145
118
88
66
52
Terminal
Voltage (V)
Ambient Temperature 20
o
C (68
o
F)
1.2 2.4 6 12 24 36 48 1 2 4 6 8 10 20 4 0
Discharge Time
Final
Voltage
min
h
2.0
4.0
8.0
20
40
80
2.0
4.0
8.0
20
40
80
Discharge Current (A)
20
15
10
5
2
1
30
10
5
Discharge
T
im
e
40
o
C (104
o
F)
20
o
C (68
o
F)
0
o
C (32
o
F)
mi
n
h
10.2V
9.6V
9.0V
8.1V
Final
Voltage
10.5V