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-1228
L: 5.24 (133) W: 1.30 (33) H: 3.82 (97) HT: 4.09 (104)
Terminals
Physical Dimensions: in (mm)
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Tolerances are +/- 0.04 in. (+/- 1mm) and +/- 0.08 in. (+/- 2mm) for
F1 - Quick disconnect
tabs, 0.187” x 0.032”-
Mate with AMP. INC.
FASTON “187” series
height dimensions. All data subject to change without notice.
MODEL PS-1228
12 Volt 2.8 Amp. Hr.
Sealed Rechargeable
Battery
MH20845
L
®
12 Volt 2.8 AH
NONSPILLABLE
Pb
HT
W
3.2
(mm)
6.35
4.75
0.8
H
Features
Performance Specifi cations
N
Nominal Capacity
Approximate Weight ........................................................... 2.60 lbs. (1.18 kg)
Energy Density (20-hr. rate) ................................ 1.29 W-h/in3 (78.80 W-h/l)
Specifi c Energy (20-hr. rate) ............................. 12.92 W-h/lb (28.49 W-h/kg)
Internal Resistance (approx.) ...................................................... 60 milliohms
Max Discharge Current (7 Min.) .................................................. 8.4 amperes
Max Short-Duration Discharge Current (10 Sec.) .................. 28.0 amperes
Shelf Life (% of nominal capacity at 68°F (20°C))
Operating Temperature Range
Case ...................................................................................................... ABS Plastic
Power-Sonic Chargers ................................................... PSC-12300A, 12500A
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•
•
•
•
•
ominal Voltage ........................................................................ 12 volts (6 cells)
20-hr.
10-hr.
5-hr.
1-hr.
15-min. (5.3A to 9.00 volts) ................................................................ 1.33 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
(140mA to 10.50 volts) ........................................................ 2.80 AH
(250mA to 10.50 volts) ....................................................... 2.50 AH
(480mA to 10.20 volts) ....................................................... 2.40 AH
(1.7A to 9.00 volts) .............................................................. 1.70 AH
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