To ensure safe and effi cient operation always refer to the latest edition of our Technical Manual, as published on our website.
All data subject to change without notice.
PS-12280
Terminals
Physical Dimensions: in (mm)
L: 6.50 (165) W: 4.92 (125) H: 6.97 (177) HT: 6.97 (177)
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Tolerances are +/- 0.04 in. (+/- 1mm) and +/- 0.08 in. (+/- 2mm) for
NB1: Tin plated brass
post with ‘Nut & Bolt’
fasteners
height dimensions. All data subject to change without notice.
MODEL PS-12280 NB
Sealed Rechargeable
12 Volt 28.0 Amp. Hr.
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Battery
MH20845
L
®
NONSPILLABLE
Pb
HT
W
12 Volt 28.0 AH
12
(mm)
6
2
H
12
Features
Performance Specifi cations
N
Nominal Capacity
Approximate Weight ........................................................ 20.70 lbs. (9.39 kg)
Energy Density (20-hr. rate) ................................. 1.51 W-h/in3 (91.99 W-h/l)
Specifi c Energy (20-hr. rate) ............................. 16.23 W-h/lb (35.79 W-h/kg)
Internal Resistance (approx.) ...................................................... 10 milliohms
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))
Operating Temperature Range
Case ...................................................................................................... ABS Plastic
Power-Sonic Chargers ............................................PSC-124000A, 124000A-C
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•
•
•
•
•
ominal Voltage ........................................................................ 12 volts (6 cells)
20-hr.
10-hr.
5-hr.
1-hr.
15-min. (58.8A to 9.00 volts) .............................................................. 14.7 AH
1 Month ...................................................................................................... 97%
3 Months ..................................................................................................... 91%
6 Months .................................................................................................... 83%
Charge .. ........................................................... -4°F (-20°C) to 122°F (50°C)
Discharge ....................................................... -40°F (-40°C) to 140°F (60°C)
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. certifi ed
U.L. recognized under fi le number MH 20845
(1.4A to 10.50 volts) ............................................................ 28.0 AH
(2.62A to 10.50 volts) .......................................................... 26.2 AH
(5A to 10.20 volts) ............................................................... 25.0 AH
(18.6A to 9.00 volts) ............................................................ 18.6 AH
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