PS-12280 12 Volt 28.0 AH
Features
• Absorbent Glass Mat (AGM) technology for superior
performance
• Valve regulated, spill proof construction allows safe
operation in any position
• Power/volume ratio yielding unrivaled energy density
• Rugged impact resistant ABS case and cover (UL94-HB)
• Approved for transport by air. D.O.T., I.A.T.A., F.A.A. and
C.A.B. certified
• U.L. recognized under file number MH 20845
Terminals
Performance Specifications
(mm)
Nominal Voltage ........................................................................ 12 volts (6 cells)
12
4.8
• NB1: Tin plated brass
post with ‘Nut & Bolt’
fasteners
Nominal Capacity
2
6
12
20-hr.
(1.4A to 10.50 volts) ............................................................ 28.0 AH
10-hr.
(2.62A to 10.50 volts) .......................................................... 26.2 AH
5-hr.
(5A to 10.20 volts) ............................................................... 25.0 AH
1-hr.
(18.6A to 9.00 volts) ............................................................ 18.6 AH
15-min. (58.8A to 9.00 volts) .............................................................. 14.7 AH
Physical Dimensions: in (mm)
Approximate Weight ........................................................ 20.70 lbs. (9.39 kg)
Energy Density (20-hr. rate) ................................. 1.51 W-h/in3 (91.99 W-h/l)
Specific Energy (20-hr. rate) ............................. 16.23 W-h/lb (35.79 W-h/kg)
Internal Resistance (approx.) ...................................................... 10 milliohms
W
Max Discharge Current (7 Min.) ............................................... 84.0 amperes
Max Short-Duration Discharge Current (10 Sec.) ................ 280.0 amperes
Shelf Life (% of nominal capacity at 68°F (20°C))
1 Month ...................................................................................................... 97%
3 Months ..................................................................................................... 91%
Sealed Rechargeable
Battery
HT
H
MODEL PS-12280 NB
12 Volt 28.0 Amp. Hr.
ST B E R
MU
Pb
YCL ED
EC
www.power-sonic.com
T TE RY
BA
®
MH20845
NONSPILLABLE
L
6 Months .................................................................................................... 83%
Operating Temperature Range
Charge .. ........................................................... -4°F (-20°C) to 122°F (50°C)
Discharge ....................................................... -40°F (-40°C) to 140°F (60°C)
L: 6.50 (165) W: 4.92 (125) H: 6.97 (177) HT: 6.97 (177)
Case ...................................................................................................... ABS Plastic
Tolerances are +/- 0.04 in. (+/- 1mm) and +/- 0.08 in. (+/- 2mm) for
height dimensions. All data subject to change without notice.
Power-Sonic Chargers ............................................PSC-124000A, 124000A-C
To ensure safe and efficient operation always refer to the latest edition of our Technical Manual, as published on our website.
All data subject to change without notice.
www.power-sonic.com
PS-12280 12 Volt 28.0 AH
®
Discharge Characteristics
100
Charging is not
necessary unless
100% of capacity
is required.
80
Charging before
use is necessary
to help recover
full capacity.
5oC
(41oF)
60
o
30 C
o
(86 F)
40oC
(104oF)
40
0
14.0
0
2
4
6
8
10
Charge may fail
to restore full
capacity. Do not
let batteries reach
this state.
20oC
(68oF)
12
14
16
18
20
o
12.0
11.0
10.0
9.0
2.4
6
12
24 36 48 1
2
Discharge Time
4 6 8 10
20 4 0
h
Life Characteristics in Stand-By Use
5
Retention Capacity (%)
h
28
min
20
15
10
Discharge Time
1.40
56
1.2
Discharge Time vs. Discharge Current
2.8
5.6
14
Final
Voltage
8.0
Standing Period (Months)
o
Ambient Temperature 20 C (68 F)
13.0
Terminal Voltage (V)
Capacity Retention Ratio (%)
Shelf Life & Storage
Final
Voltage
10.5V
2
10.2V
1
9.6V
min
30
9.0V
10
5
o
8.1V
1.40
2.8
5.6
14
28
80
60
20
0
o
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
1
2
3
4
Life Characteristics in Cyclic Use
120
Retention Capacity (%)
Discharge Current (A)
“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.
0
Years
56
Cycle Applications: Limit initial current to 8.4A. 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 280mA. Battery is fully charged under these
conditions, and charger should be disconnected or switched to “float” voltage.
Float Charging Voltage
2.25 - 2.30 V/Cell
40
40 C (104 F)
o
o
20 C (68 F)
o
o
0 C (32 F)
Charging
Ambient Temperature 20˚C (68˚F)
100
100
80
60
Discharge
Depth 100%
Discharge
Depth 50%
Discharge
Depth 30%
40
1. Discharge Current 0.2C (Final Voltage 1.7V/Cell)
2. Charge Current: 0.1C
3. Ambient Temperature: 20oC to 25oC (68oF to 77oF)
20
0
0
200
400
600
800
1000
1200
Number of Cycles
Further Information
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.
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..
Contact Information
DOMESTIC SALES
Tel: +1-619-661-2020
Fax: +1-619-661-3650
national-sales@power-sonic.com
www.power-sonic.com
CUSTOMER SERVICE
Tel: +1-619-661-2030
Fax: +1-619-661-3648
customer-service@power-sonic.com
TECHNICAL SUPPORT
Tel: +1-619-661-2020
Fax: +1-619-661-3648
support@power-sonic.com
INTERNATIONAL SALES
Tel: +1-650-364-5001
Fax: +1-650-366-3662
international-sales@power-sonic.com
CORPORATE OFFICE • 7550 Panasonic Way • San Diego, CA 92154 • USA • Tel: +1-619-661-2020 • Fax: +1-619-661-3650
© 2011. Power-Sonic Corporation. All rights reserved. All trademarks are the property of their respective owners.
0211 1M