Specification Sheet

ManualsBrandsUniversal Power Group ManualsWind and Solar EnergyUniversal Battery 75 Amp-hours 12V AGM Sealed Battery With Stud Terminals

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: 10.24in (260.1 mm)

W: 6.61in (167.9 mm)

H: 8.27in (210.1 mm)

TH: 9.13in (231.9 mm)

Tolerances are +/- 0.04 in. (+/- 1mm)

and +/- 0.08 in. (+/- 2mm) for height

dimensions. All data subject to

change without notice.

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Nominal Voltage

Nominal Capacity

20-hr. (3.75A)

10-hr. (6.98A)

5-hr. (12.75A)

1-hr. (45.00A)

Approximate Weight

Internal Resistance (approx.)

Shelf Life (% of normal capacity at 77º F (25º C))

3 Months 6 Months 12 Months

Temperature Dependancy of Capacity

104º F 77º F

12 volts

75 Ah

22.5 A or smaller

14.5 - 14.9 V

77º F (25º C)

(20 hour rate)

69.75 Ah

63.75 Ah

45.00 Ah

50.7 lbs (23 kgs)

8 mΩ

91% 82% 64%

102% 100% 85%

32º F 5º F

Charge Method

65%

(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

VR062011

UPG No. 45821

Maintenance-Free

*Can be used outdoors.

UB12750

260 (10.24)

210 (8.27)

168 (6.61)

232 (9.13)

5MIN 10MIN 15MIN 30MIN 1HR 2HR 3HR 4HR 5HR 8HR 10HR 20HR F.V/Time

259.0 189.0 133.0 81.0 42.0 25.0 18.0 14.0 11.6 8.1 7.4 4.0 9.60V

228.0 172.0 119.0 76.3 39.5 23.4 17.5 13.7 11.3 8.0 7.2 3.9 10.20V

220.0 164.0 112.0 74.0 38.0 22.8 17.1 13.4 11.2 7.9 7.0 3.8 10.50V

211.0 155.0 105.0 72.0 37.0 22.3 16.7 13.2 10.9 7.7 7.0 3.8 10.80V

203.0 147.0 98.0 70.0 36.0 21.7 16.1 12.8 10.6 7.5 6.7 3.6 11.10V

Constant Current Discharge Characteristics Unit:A (25°C, 77°F)

5MIN 10MIN 15MIN 30MIN 1HR 2HR 3HR 4HR 5HR 8HR 10HR 20HR F.V/Time

2750.0 2007.0 1412.0 855.0 486.0 284.0 208.0 162.0 134.0 94.0 85.0 46.0 9.60V

2566.0 1911.0 1321.0 847.0 457.0 271.0 203.0 158.0 131.0 92.0 83.0 44.8 10.20V

2493.0 1857.0 1270.0 841.0 443.0 264.0 198.0 156.0 130.0 92.0 82.0 44.3 10.50V

2461.0 1809.0 1222.0 839.0 430.0 259.0 194.0 152.0 127.0 90.0 81.0 44.0 10.80V

2416.0 1749.0 1166.0 833.0 425.0 258.0 192.0 152.0 127.0 89.0 79.0 42.7 11.10V

Constant Power Discharge Characteristics Unit:W (25°C, 77°F)

Summary of content (2 pages)

PAGE 1
UPG No. 45821 Sealed Lead-Acid Battery 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. UB12750 Maintenance-Free Speciﬁcation Nominal Voltage Nominal Capacity 20-hr. (3.75A) 10-hr. (6.98A) 5-hr. (12.75A) 1-hr. (45.00A) Approximate Weight Internal Resistance (approx.
PAGE 2
UPG No. 45821 UB12750 Discharge Characteristics Discharge Time vs. Discharge Current Maintenance-Free Shelf Life & Storage Cycle Life vs Depth of Discharge Open Circuit Voltage vs Residual Capacity Effect of Temperature on Capacity Charge Current & Final Discharge Voltage Application Charge Voltage(V/Cell) Set Point Allowable Range Cycle Use Temperature 25 (77 ) 2.45 2.40~2.50 Standby 25 (77 ) 2.30 2.27~2.30 Max.Charge Current 0.30°C Final Discharge Voltage V/Cell 1.75 1.70 1.60 1.