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-12550
Terminals
Physical Dimensions: in (mm)
L: 9.04 (230) W: 5.45 (138) H: 8.15 (207) HT: 8.98 (228)
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Tolerances are +/- 0.04 in. (+/- 1mm) and +/- 0.08 in. (+/- 2mm) for
U: Universal terminals:
Heavy-duty posts with
‘nut & bolt’ fasteners
height dimensions. All data subject to change without notice.
MODEL PS-12550 U
L
Sealed Rechargeable
12 Volt 55.0 Amp. Hr.
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Battery
MH20845
®
NONSPILLABLE
Pb
12 Volt 55.0 AH
HT
W
Positive Terminal
17.4
13
(mm)
Negative Terminal
15.9
13
H
Features
Performance Specifi cations
N
Nominal Capacity
Approximate Weight ......................................................... 36.0 lbs. (16.33 kg)
Energy Density (20-hr. rate) .............................. 1.64 W-h/in3 (100.30 W-h/l)
Specifi c Energy (20-hr. rate) .............................. 17.65 W-h/lb (38.91 W-h/kg)
Internal Resistance (approx.) ........................................................ 7 milliohms
Max Discharge Current (7 Min.) ............................................. 165.0 amperes
Max Short-Duration Discharge Current (10 Sec.) ................ 410.0 amperes
Shelf Life (% of nominal capacity at 68°F (20°C))
Operating Temperature Range
Case ...................................................................................................... ABS Plastic
Power-Sonic Chargers ............................................................PSC-1210000A-C
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ominal Voltage ........................................................................ 12 volts (6 cells)
20-hr.
10-hr.
5-hr.
1-hr.
15-min. (96A to 9.00 volts) ..................................................................24.0 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)
Integrated ABS carrying handles for ease of movement
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
(2.75A to 10.50 volts) .......................................................... 55.0 AH
(5.1A to 10.50 volts) ............................................................. 51.0 AH
(8.8A to 10.20 volts) ............................................................ 44.0 AH
(30.6A to 9.00 volts) ............................................................ 30.6 AH
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