Powersonic Sealed Lead Acid Battery (12.0 Volts, 18.0ah)Key Features:Absorbent Glass Mat (AGM) technology for superior performanceValve regulated, spill proof construction allows safe operation in any positionPower/volume ratio yielding unrivaled energy densityRugged 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. certifiedU.L. recognized under file number MH 20845Performance Specifications: Nominal Voltage: 12 volts (6 cells)Nominal Capacity: 20-hr.(900ma to 10.50 volts) ...... 18.0ah 10-hr.(1.7a to 10.50 volts) .......... 17.0ah 5-hr. (3.2a to 10.20 volts) ........... 16.0ah 1-hr. (11.1a to 9.000 volts) ......... 11.1ah 15-min.(34.3a to 9.00 volts) ....... 8.58ah Approximate Weight: 12.60 lbs. (5.72 kg)Energy Density (20-hr. rate): 1.53 W-h/in3 (93.51 W-h/l)Specific Energy (20-hr. rate): 17.14 W-h/lb (37.79 W-h/kg)Internal Resistance (approx.): 14 milliohmsMax Discharge Current (7 Min.): 54.0 amperesMax Short-Duration Discharge Current (10 Sec.): 180.0Shelf Life (% of nominal capacity at 68°F (20°C) 1 Month ..... 97% 3 Months ..... 91% 6 Months ..... 83% 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 PlasticPower-Sonic Chargers: ...... PSC-122000A, 124000A, 122000A-C, 124000A-C Dimensions: Length: 7.13" (181) Width: 3.00" (76) Height: 6.59" (167) Height (Over Terminals): 6.59" (167) Terminal/Connection Type: Tin plated brasspost with nut & boltconnector Charging:Cycle Applications:Limit initial current to 5.4A. 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 180mA. 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 of13.5 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
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