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OPTIMA Batteries 8012-021 D34 YELLOWTOP Starting & Deep-Cycle Battery

OPTIMA® YELLOWTOP® D34 Ultra high-performance SPIRALCELL TECHNOLOGY® AGM (absorbent glass mat) dual-purpose deep-cycle and starting battery. OPTIMA® YELLOWTOP® batteries have three times the cycling capability (rechargeability) with ultimate cranking power for your auto, car or truck to outperform traditional batteries. Perfect for powering heavy electrical loads, including winches, audio systems, inverters, and other demanding vehicle accessories and electronics. Lower internal resistance provides more efficient power output and faster recharges.

The OPTIMA® model number for this battery is D34. If you are replacing an OPTIMA® battery you already have, this model is the same as batteries marked 8012-021, 9012-021, 27992, SC34DA, N9934YEL or YEL34.

Features

• Deep-cycle and cranking power
• 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
• 300+ discharge/recharge cycles

Specifications

• Cold Cranking Amps: 750
• Cranking Amps: 870
• Nominal Voltage: 12 volts
• Open Circuit Voltage (fully charged): 13.1 volts
• Internal Resistance (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)
• Plate Design: High purity lead-tin alloy. Wound cell configuration utilizing proprietary SPIRALCELL TECHNOLOGY®.
• Electrolyte: Sulfuric acid, H2SO4
• Case: Polypropylene
• Case Color: Light Gray
• Cover Color: “OPTIMA“ Yellow
• Group Size: BCI: 34
• Post Type: SAE Post
• Weight: 42.9 lb
• Length: 10.06 in
• Width: 6.88 in
• Height: 7.88 in

Warranty: 38 Months Free Replacement.