Power Sonic® PS-1290 F2

Power Sonic PS-1290 Battery

General Description

The Power Sonic PS-1290 12 Volt 9.0 Ah battery fits in most sailplanes. These batteries are commonly called "gel-cell" which is incorrect. They are Sealed Led Acid (SLA) batteries. They have been a standard in soaring which is slowly being replaced by the better performing K2 Energy Lithium Iron Phosphate batteries. The primary advantage to the PS-1290 over Lithium Iron Phosphate is lower cost. SLA batteries top performance will last up to a couple of gliding seasons.

Features

• 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. certified
• U.L. recognized under file number MH 20845

Performance Specifications

Nominal Voltage: 12 volts (6 cells)
Nominal Capacity:
20-hr. (450mA to 10.50 volts) 9.00 AH
10-hr. (810mA to 10.50 volts) 8.10 AH
5-hr. (1.44A to 10.20 volts) 7.20 AH
1-hr. (5.4A to 9.00 volts) 5.40 AH
15-min. (14.4A to 9.00 volts) 3.60 AH
Approximate Weight: 6.00 lbs. (2.72 kg)
Energy Density (20-hr. rate): 1.92 W-h/in3 (116.94 W-h/l)
Specific Energy (20-hr. rate): 18.00 W-h/lb (39.68 W-h/kg)
Internal Resistance (approx.): 13 milliohms
Max Discharge Current (7 Min.): 27.0 amperes
Max Short-Duration Discharge Current (10 Sec.): 90.0 amperes
Operating Temperature Range:
Charge: -4°F (-20°C) to 122°F (50°C)
Discharge: -40°F (-40°C) to 140°F (60°C)
Case: ABS Plastic

Physical Dimensions

F2: L: 5.95 (151) W: 2.56 (65) H: 3.70 (94) HT: 3.86 (98)
NB: L: 5.95 (151) W: 2.56 (65) H: 3.70 (94) HT: 4.15 (106)
Tolerances are ± 0.04 in. (± 1mm) and ± 0.08 in. (± 2mm) for height dimensions

Charging

Cycle Applications: Limit initial current to 2.7A. Charge until battery voltage (under charge) reaches 14.4 to 14.7 volts at 68°F (20°C). Hold at 14.4 to 14.7 volts until current drops to under 90mA. Battery is fully charged under these conditions, and charger should be disconnected or switched to “float” voltage

“Float” or “Stand-By” Service: Hold battery across constant voltage source of 13.5 to 13.8 volts continuously. When held at this voltage, the battery will seek its own current level and maintain itself in a fully charged condition.

Note: Due to the self-discharge characteristics of this type of battery, it is imperative that they be charged within 6 months of storage, otherwise permanent loss of capacity might occur as a result of sulfation

About Power Sonic®

Power Sonic® has been a leading force in the global battery business for over 46 years. Their Company has thrived due to their commitment to provide high quality cost effective batteries, backed by a level of service that is second to none.

PS-1290 PS-1290
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