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OPTIMA BLUETOP SLI 4,2

OPTIMA BLUETOP SLI 4,2

OPTIMA BLUETOP SLI 4,2

Product catalog summary
Product Overview:
The BT SLI 4,2 is a high power, sealed lead acid marine starting battery with a nominal voltage of 12 volts. It features a high purity lead-tin alloy plate design and utilizes proprietary SPIRALCELL® technology.
Physical Characteristics:
  • Electrolyte: Sulfuric acid (H2SO4)
  • Case Material: Polypropylene, Dark Gray
  • Cover Color: OPTIMA Blue
  • Group Size: BCI 34
  • Dimensions: 10" x 6.875" x 7.813" (254 mm x 175 mm x 200 mm)
  • Weight: 38.4 lb (17.4 kg)
  • Terminal Configuration: SAE / BCI automotive and threaded stainless steel stud 5/16 – 18 UNC
Performance Data:
  • Open Circuit Voltage: 12.8 volts (fully charged)
  • Internal Resistance: 0.0030 ohms (fully charged)
  • Capacity: 50 Ah (C/20)
  • Reserve Capacity: 100 minutes (25 amp discharge at 80°F to 10.5 volts cut-off)
  • Cold Cranking Amps (CCA): 815 amps (EN -18°C)
  • Marine Cranking Amps (MCA): 1000 amps (BCI 0°C)
Recommended Charging:
  • Alternator Voltage: 13.3 to 15.0 volts
  • Battery Charger: 13.8 to 15.0 volts; 10 amps max; 6-12 hours
  • Float Charge: 13.2 to 13.8 volts; 1 amp max
  • Rapid Recharge: Max voltage 15.6 volts; no current limit if temperature < 50°C
  • Recharge Time: Varies with current and temperature; example times provided for 100% discharge

Note: Always use a voltage regulated charger and adhere to specified limits to prevent overcharging and potential hazards.

Safety and Handling:
  • Wear safety glasses when handling batteries.
  • Overcharging can cause safety valves to open, releasing flammable gases.
  • Disconnect battery if it becomes very hot during charging.
Shipping and Transportation:

OPTIMA batteries are nonspillable and classified as non-regulated for air transport under IATA Special Provisions A-48 and A-67 for UN2800. Terminals must be protected from short circuits.

Manufacturing Location:

OPTIMA Batteries, 17500 East 22nd Avenue, Aurora, CO 80011, USA. Phone: 303-340-7400

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Catalog excerpts

OPTIMA BLUETOP SLI 4,2-1

OPTIMA® BlueTop SLI 4,2 Battery Model: BT SLI 4,2 Part Number: 806 252 000 888 2 Nominal Voltage: 12 volts NSN: 6140-01-475-9416 Description: High power, sealed lead acid, marine starting battery Physical Characteristics: Plate Design: Electrolyte: Case: Color: Group Size: Length: Width: Height: Weight: High purity lead-tin alloy. Wound cell configuration utilizing proprietary SPIRALCELL® technology. Sulfuric acid, H2SO4 Polypropylene Case: Dark Gray Cover: “OPTIMA“ Blue BCI: 34 Standard 10” 6.875” 7.813” 38.4 lb. Metric 254 mm 175 mm 200 mm (height at the top of the terminals) 17.4 kg Terminal Configuration: SAE / BCI automotive and threaded stainless steel stud 5/16 – 18 UNC. Performance Data: Open Circuit Voltage (fully charged): Internal Resistance (fully charged): Capacity: Reserve Capacity: 12.8 volts 0.0030 ohms 50 Ah (C/20) BCI: 100 minutes (25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off) 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: BT SLI 4,2 These batteries are designed for engine starting applications. They are not recommended or warranted for use in deep cycle applications.

 Open the catalog to page 1
OPTIMA BLUETOP SLI 4,2-2

OPTIMA® BlueTop SLI 4,2 Recommended Charging Information: Alternator: Battery Charger: (Constant Voltage) Float Charge: Rapid Recharge: (Constant voltage charger) 13.3 to 15.0 volts 13.8 to 15.0 volts; 10 amps maximum; 6-12 hours approximate 13.2 to 13.8 volts; 1 amp maximum current (indefinite time at lower voltages) Maximum voltage 15.6 volts. No current limit as long as battery temperature remains below 50°C (125°F). Charge until current drops below 1 amp. All limits must be strictly adhered to. Recharge Time: (example assuming 100% discharge – 10.5 volts) Current Approx. time to 90% charge...

 Open the catalog to page 2

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