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-1238
Terminals
Physical Dimensions: in (mm)
L: 7.68 (195) W: 1.85 (47) H: 2.91 (74) HT: 2.99 (76)
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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.
MH20845
®
MODEL PS-1238
Sealed Rechargeable
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12 Volt 3.8 Amp. Hr.
Battery
L
12 Volt 3.8 AH
NONSPILLABLE
Pb
HT
W
3.2
(mm)
6.35
4.75
0.8
H
Features
Performance Specifi cations
N
Nominal Capacity
Approximate Weight ........................................................... 3.50 lbs. (1.59 kg)
Energy Density (20-hr. rate) ................................. 1.10 W-h/in3 (67.30 W-h/l)
Specifi c Energy (20-hr. rate) ............................. 13.03 W-h/lb (28.72 W-h/kg)
Internal Resistance (approx.) ...................................................... 45 milliohms
Max Discharge Current (7 Min.) ............................................... 11.4 amperes
Max Short-Duration Discharge Current (10 Sec.) .................. 38.0 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. (7.4A to 9.00 volts) ................................................................. 1.85 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
(190mA to 10.50 volts) ....................................................... 3.80 AH
(350mA to 10.50 volts) ....................................................... 3.50 AH
(640mA to 10.20 volts) ....................................................... 3.20 AH
(2.4A to 9.00 volts) .............................................................. 2.40 AH
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