Product Spec Sheet BT DC 4,2 BlueTop0 pages
OPTIMA® BlueTop DC 4,2 Battery Model: BT DC 4,2 PartNumber; 816 253 000 888 2 Nominal Voltage: 12 volts NSN: 6140 01 475 9355 Description: High power, dual purpose engine start and deep cycle, sealed lead acid battery Physcal Characteristics: Plate Design Electrolyte: Case: Colon Group Size: Hjgh purrty lead-tin alloy. Wound cell configuration utilizing proprietary SPIRALCELL^technology. Suifuricacid, H2S04 Polypropylene Case: Light Gray Cover: "OPTIMA" Blue BCI:34 Standard Metric Length: Width: Height: Weiqht: 10." 6.875" 7.813" 43.5 Ib. 254 mm 175 mm 200 mm (height at the top of the terminais) 19.7 kq Tefmlnal Configuration: SAE / BCI aulomolive and threaded slainless steel stud 5/16 - 18 UNC, Performance Data: Open Circuit Voltage (fully charged): 13.1 volts Internai Rsistance (fully charged): 0.0028 ohms Capacity: 55 Ah (C/20) Reserve Capacity: BCI: 120 minutes (25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off) Power: CCA (EN -18X): 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 voilage regulated charger with voltage limits set as described below.) Model: BT DC 4,2 Thse batteries are designed for starting and deep cycling applications and for use in boats wrth large accessory loads.
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