Specification Sheet

Absorbant Glass Mat (AGM) technology for superior performance. Valve regulated, spill proof construction allows safe
operation in any position. Approved for transport by air. D.O.T., I.A.T.A., F.A.A. and C.A.B. certified. U.L. r ecognized under
file number MH 20567.
Sealed Lead-Acid Battery
L: 3.54in (89.9 mm)
W: 2.76in (70.1 mm)
H: 3.98in (101.1 mm)
TH: 4.21in (106.9 mm)
Tolerances are +/- 0.04 in. (+/- 1mm)
and +/- 0.08 in. (+/- 2mm) for height
dimensions. All data subject to
change without notice.
Nominal Voltage
Nominal Capacity
20-hr. (0.25A)
10-hr. (0.47A)
5-hr. (0.85A)
1-hr. (3.00A)
Approximate Weight
Internal Resistance (approx.)
Shelf Life (% of normal capacity at 77º F (25º C))
3 Months 6 Months 12 Months
12 volts
5.0 Ah
1.5 A or smaller
14.6 - 14.8 V
77º F (25º C)
4.65 Ah
4.25 Ah
3.00 Ah
3.09 lbs (1.4 kgs)
32m
91% 82% 64%
Charge Method (Constant Voltage)
Cycle Use
Float Use
Initial Current
Control Voltage
13.6 - 13.8 V
Control Voltage
(Repeating Use)
Specification
Physical Dimensions: in (mm)
Terminals
UPG No. D5741
Maintenance-Free
UB1250
3.98 (101.1)
4.21(106.9)
2.76 (70.1)
3.54 (89.9)
Temperature Dependancy of Capacity
104 F (40 C) 77 F (25 C)
(20 hour rate)
102% 100% 85%
32 F (0 C) 5 F (-15 C)
65%
AGM Operational Temperature
AGM Storage Temperature
(0 C to 40 C)32 F to 104 F
5 F to 113 F
5 F to 104 F
(-15 C to 45 C)
Charge
Discharge
(-15 C to 40 C)
Discharge Characteristics
(Minute) (Hour)
Discharge time
Cell voltage (V/Cell)
Discharge Time vs. Discharge Current
Discharge Current = CA X Nominal Capacity
(Minute)
(Hour)
Duration of Discharge
488 S. Royal Lane Coppell, Texas 75019 P 469.892.1122 T 866.892.1122 F 469.892.1123 [e-mail]
www.upgi.com
All specifications subject to change without notice.
D1331-1