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Battery Model: BT DC 5,5
Part Number: 8052 188
Nominal Voltage: 12 volts
NSN: 6140 01 502 4405
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 Blue
Group Size: BCI: 31
| | Standard | Metric | | Length: | 12.813 | 325 mm | | Width: | 6.500 | 165 mm | | Height: | 9.375 | 238 mm (height at the top of the terminals) | | Weight: | 59.8 lb | 26,5 kg |
Terminal Configuration: SAE / BCI automotive and threaded stainless steel stud 5/16 18 UNC.
Performance Data:
Open Circuit Voltage (fully charged): 13.1 volts
Internal Resistance (fully charged): 0.0025 ohms
Capacity: 75 Ah (C/20)
Reserve Capacity: BCI: 155 minutes
(25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off)
Power:
CCA (EN -18°C): 975 amps
MCA (BCI 0°C): 1125 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: BT DC 5,5
These batteries are designed for starting and deep cycling applications and for use in vehicles/boats with large accessory loads.
OPTIMA® BlueTop DC 5,5
Recommended Charging Information:
Alternator: 13.65 to 15.0 volts
Battery Charger (Constant Voltage): 13.8 to 15.0 volts; 10 amps maximum; 6-12 hours approximate
Float Charge: 13.2 to 13.8 volts; 1 amp maximum (indefinite time at lower voltages)
Rapid Recharge: (Constant voltage charger) 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.
Cyclic or Series String Applications: 14.7 volts. No current limit as long as battery temperature remains below 50°C (125°F). When current falls below 1 amp, finish with 3 amp constant current for 1 hour.
All limits must be strictly adhered to.
Recharge Time: (example assuming 100% discharge 10.5 volts)
| Current | Approx. time to 90% charge | | 100 amps | 52 minutes | | 50 amps | 112 minutes | | 25 amps | 210 minutes |
Recharge time will vary according to temperature and charger characteristics. When using Constant Voltage chargers, amperage will taper down as the battery becomes recharged. When amperage drops below 1 amp, the battery will be close to a full state charge.
(All charge recommendations assume an average room temperature of 25°C, 77°F)
Always wear safety glasses when working with batteries.
Always use a voltage regulated battery charger with limits set to the above ratings. Overcharging can cause the safety valves to open and battery gases to escape, causing premature end of life. These gases are flammable! You cannot replace water in sealed batteries that have been overcharged. Any battery that becomes very hot while charging should be disconnected immediately.
Not fully charging a battery can result in poor performance and a reduction in capacity.
Shipping and Transportation Information:
OPTIMA batteries can be shipped by AIR. The battery is nonspillable and is tested according to ICAO Technical Instructions DOC. 9284-AN/905 to meet the requirements of Packing Instructions No. 806 and is classified as non-regulated by IATA Special Provision A-48 and A-67 for UN2800. Terminals must be protected from short circuit.
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