Optima D31M BLUETOP (8052-161)

SKU: 9052-161
$421.70
$374.99
$374.99
Unavailable
per item
OPTIMA® BLUETOP® D31M group 31 batteries are our most powerful and have the largest energy storage capacity. Usually they can be mounted anywhere a (slightly shorter) group 27 would be used. Ultra high-performance SPIRALCELL TECHNOLOGY® AGM (absorbent glass mat) dual-purpose battery for marine and RV. BLUETOP® has three times the cycling capability (rechargeability) with ultimate cranking power for your boat or RV in a maintenance-free package. Perfect for multiple high-demand accessories and trolling motors with 15 times the vibration resistance and lighter weight. Lower internal resistance provides more efficient power output and faster recharges.

​To purchase, call our office at 800-464-4796.
PHYSICAL CHARACTERISTICS
  • 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“ Blue
  • Group Size: BCI: 31
  • Post Type: Dual SAE & 5/16 Stainless Stud
  • Weight: 59.8 lb
  • Length: 12.81
  • Width: 6.56
  • Height: 9.38

PERFORMANCE DATA
  • Cold Cranking Amps: 900
  • Cranking Amps: 1125
  • Nominal Voltage: 12 volts
  • 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)
BENEFITS OF THE BLUETOP®:
  • Both dual-purpose and starting applications available
  • Up to three times more recharges
  • More than 15 times the vibration resistance
  • Completely spillproof, mountable in virtually any position
  • Maintenance-free
  • Optimal starting power (Dual purpose and starting applications available)

The OPTIMA® model number for this battery is D31M. If you are replacing an OPTIMA® battery you already have, this model is the same as batteries marked 8052-161, 9052-161, 27931, D31M-1125, BLUED31M, 27551, SC31DM, or N99D31MBLUE.