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Tel: +1-619-661-2030
Fax: +1-619-661-3648
customer-service@power-sonic.com
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Tel: +1-650-364-5001
Fax: +1-650-366-3662
international-sales@power-sonic.com
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Tel: +1-619-661-2020
Fax: +1-619-661-3650
national-sales@power-sonic.com
TECHNICAL SUPPORT
Tel: +1-619-661-2020
Fax: +1-619-661-3648
support@power-sonic.com
Contact Information
www.power-sonic.com
0111 1M
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Charging
Cycle Applications: Limit initial current to 1.8A. 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 60mA. Battery is fully charged under these
conditions, and charger should be disconnected or switched to “oat” 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 specication sheets for “C-Series
Switch Mode Chargers” and “Transformer Type A and F Series”. Please contact our
Technical department for advice if you have difculty in locating suitable models.
Capacity Retention Ratio (%)
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.
Charge mayfail
to restore full
capacity. Do not
let batteries reach
this state.
Discharge Characteristics
Discharge Time vs. Discharge Current
Shelf Life & Storage
PSH-1255FR 12 Volt 6.0 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
certication, etc..
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
PSH-1255FR
1.75 38 27 22 17 12 9.5 6.4
1.70 39 28 23 17.5 12.5 9.6 6.5
1.67 40 29 24 18 13 9.8 6.7
10
9
8
7
6
5
4
3
2
60
50
40
30
20
10
8
6
4
0 .16 .32 .45 .55 .65 .95 1.7 2.8 5.2 9.5 15 20
Discharge Current (A)
Discharge Time
40°C (104°F)
25°C (77°F)
0°C (32°F)
min. hrs.
Discharge Time
Terminal Voltage (V)
13.0
min. hrs.
12.0
11.0
10.5
10.0
9.6
9.0
8.0
7.8
2010532125 20 30 6031.50
.30A.56A1.02A
1.53A
3.72A
5.40A
10.8A16.2A
(2 pages)
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