OPTIMA® REDTOP® 6V The ultimate starting battery for your vintage 6-volt car or boat. Ultra high-performance SPIRALCELL TECHNOLOGY® AGM (absorbent glass mat) battery with reliable cranking power for your auto, car or truck and twice the life. The OPTIMA® REDTOP® will outperform and outlast traditional batteries in demanding cranking/starting applications. The ultimate high-CCA starting battery for vehicles that have alternators capable of keeping up with all electrical loads.
If you have demanding electrical accessory loads such as winches, audio systems, and other devices, take a look at the YELLOWTOP® product line.
The OPTIMA® model number for this battery is 6V. If you are replacing a 6 volt OPTIMA® battery you already have, this model is the same as batteries marked 8010-044, 9010-044, 27901, 6V, RED6V, SC6A, or N996VRED.
|NSN:||6140 01 475 9414|
|UPC Code:||8 11405 00044 7|
|Cold Cranking Amps:||800|
|Nominal Voltage:||6 volts|
|Open Circuit Voltage (fully charged):||6.4 volts|
|Internal Resistance (fully charged):||0.0019 ohms|
|Capacity:||50 Ah (C/20)|
|Reserve Capacity:||BCI: 100 minutes (25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off)|
High purity lead-tin alloy. Wound cell configuration utilizing proprietary
Sulfuric acid, H2SO4
|Case Color:||Dark Gray|
|Cover Color:||“OPTIMA“ Red|
|Post Type:||SAE Post|
|CCA (BCI 0°F):||800 amps|
|MCA (BCI 32°F):||1000 amps|
The following charging methods are recommended to ensure a long battery life:
Recommended Charging Information
|Alternator:||6.65 to 7.50 volts; no amperage limit|
|Battery Charger:||6.90 to 7.50 volts; 10 amps maximum; 6-12 hours approximate|
|Float Charge:||6.60 to 6.90 volts; 1 amp maximum current (indefinite time at lower voltages)|
|Rapid Recharge (Constant voltage charger):||Maximum voltage 7.80 volts. No current limit as long as battery temperature remains below 125°F (51.7°C). Charge until current drops below 1 amp. All limits must be strictly adhered to.|