Power-Sonic PG-12V120 - Manual (Page 2)

Charging
Cycle Applications: Limit initial current to 25.0A. 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 1.24A. 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.
®
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..
Constant Current & Power Discharge Ratings
MODEL
FINAL
VOLTAGE
AMPS/WATTS PER CELL @ 25° C
5 MIN 10 MIN 15 MIN 20 MIN 30 MIN 45 MIN 60 MIN
A W A W A W A W A W A W A W
PG-12V120 FR
1.80 232 598 198 485 172 394 152 330 124 242 90 176 72 143
1.75 265 620 216 510 188 412 167 341 132 258 130 182 72.5 144
1.67 304 635 248 538 216 430 182 352 140 263 96.7 192 74.4 145
1.60 377 658 274 562 224 442 183 360 143 269 99 197 73.5 147
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
Discharge Current (A)
Discharge T
ime
Discharge Time
Terminal V
oltage (V)
10
9
8
7
6
5
4
3
60
50
40
30
20
10
8
6
4
2 5 7 11 12 14 17 30 50 70 120 240 0
(min
)
(h
)
360 600
2
40°C (104°F)
25°C ( 77°F)
0°C ( 32°F)
Ambient Temperature: 25°C(77°F)
13
12
11
10.8
10.5
9.6
9
7.8
3 5 10 20 30 0 2 3 5 10 20
(min) (h)
74.4A
32A 21.3A
12.4A 6.48A
120A
60
PG-12V120 FR 12 Volt 129 AH
@ 20-hr. rate
, 124 AH @ 10-hr. rate
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0111 1M
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