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Lowest price we've seen: $269.99 on Nov 9 at Walmart. Tracked across 4 stores since Nov 9.
OPTIMA® REDTOP® 34/78 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 34/78. If you are replacing an OPTIMA® battery you already have, this model is the same as batteries marked 8004-003, 9004-003, 27990, 34-78, 34/78-980, RED34/78, SC34U, or N9934/78RED. BENEFITS OF THE REDTOP®: Strongest five-second starting burst Up to two times longer life More than 15 times the vibration resistance Completely spillproof, mountable in virtually any position Maintenance-free Faster recharging Optimal starting power Battery Model:34/78Part Number:8004-003NSN:6140 01 457 4339UPC Code:8 11405 00003 4 Performance Data Cold Cranking Amps:800Cranking Amps:1000Nominal Voltage:12 voltsOpen Circuit Voltage (fully charged):12.8 voltsInternal Resistance (fully charged):0.0030 ohmsCapacity:50 Ah (C/20)Reserve Capacity:BCI: 100 minutes (25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off) Physical Characteristics Plate Design: High purity lead-tin alloy. Wound cell configuration utilizing proprietary SPIRALCELL TECHNOLOGY®. Electrolyte: Sulfuric acid, H2SO4 Case:PolypropyleneCase Color:Dark GrayCover Color:“OPTIMA“ RedGroup Size:BC I: 34/78Post Type:Dual SAE/GMWeight:38.8 lbLength:10.06 inWidth:6.94 inHeight:7.88 in Power CCA (BCI 0°F):800 ampsMCA (BCI 32°F):1000 amps