Product Spec Sheet YT U 4,2 YellowTop0 pages

OPTIMA® YellowTop U 4,2 Battery Model: YT U 4,2 Part Number: 814 254 000 888 2 Nominal Voltage: 12 volts NSN: 6140 01 457 4341 Description: High power, dual purpose engine start and deep cycle, sealed lead acid battery Physical Characteristics: Plate Design: High purity lead-tin alloy. Wound cell configuration utilizing proprietary SPIRALCELL® technology. Electrolyte: Sulfuric acid, H2SO4 Case: Polypropylene Color: Case: Light Gray Cover: "OPTIMA" Yellow Group Size: BCI: 34 Standard Metric Length: Width: Height: Weight: 10." 6.875" 7.813" 43.5 lb. 254 mm 175 mm 200 mm (height at the top of the terminals) 19.9 kg Terminal Configuration: SAE / BCI automotive and GM style side terminal (3/8" - 16 UNC - 2B, threaded nut). Performance Data: Open Circuit Voltage (fully charged): Internal Resistance (fully charged): Capacity: Reserve Capacity: 13.1 volts 0.0028 ohms 55 Ah (C/20) BCI: 120 minutes (25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off) Power: CCA (EN -18°C): 765 amps MCA (BCI 0°C): 870 amps Recommended Charging: The following charging methods are recommended to ensure a long battery life: (Always use a voltage regulated charger with voltage limits set as described below.) Model: YT U 4,2 These batteries are designed for starting and deep cycling applications and for use in vehicles with large accessory loads.