Optima BlueTop D31M AGM Battery 900CCA 12V — Marine and RV Power

SKU: BCFJ_8052-161
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About OPTIMA

OPTIMA engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full OPTIMA lineup with fast shipping and expert fitment support — order with confidence.

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Optima BlueTop D31M: Reliable Marine Power

The Optima BlueTop D31M is the gold standard for marine and RV enthusiasts who require a battery that can handle both starting and deep-cycle demands. With 900 Cold Cranking Amps (CCA), this battery provides the raw power needed to start large engines, while its deep-cycle capability ensures your onboard electronics, trolling motors, and appliances stay powered for longer periods.

Key Technical Specifications

  • Model: D31M (8052-161)
  • CCA: 900 Cold Cranking Amps
  • CA: 1125 Cranking Amps
  • Voltage: 12V
  • Terminals: Top Post and 5/16" Aux Stud
  • Dimensions: 12.81" L x 6.56" W x 9.38" H

Built with Optima's signature SpiralCell technology, the BlueTop D31M is highly resistant to the constant vibration and shock found in marine environments. Its spill-proof, maintenance-free AGM design means you can mount it in almost any position without worrying about leaks. Whether you are out on the open water or camping off the grid, this battery offers the versatility and longevity you need to keep your equipment running smoothly. Upgrade your marine electrical system today with the performance-driven solutions available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About OPTIMA

OPTIMA engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full OPTIMA lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Optima BlueTop D31M: Reliable Marine Power

The Optima BlueTop D31M is the gold standard for marine and RV enthusiasts who require a battery that can handle both starting and deep-cycle demands. With 900 Cold Cranking Amps (CCA), this battery provides the raw power needed to start large engines, while its deep-cycle capability ensures your onboard electronics, trolling motors, and appliances stay powered for longer periods.

Key Technical Specifications

  • Model: D31M (8052-161)
  • CCA: 900 Cold Cranking Amps
  • CA: 1125 Cranking Amps
  • Voltage: 12V
  • Terminals: Top Post and 5/16" Aux Stud
  • Dimensions: 12.81" L x 6.56" W x 9.38" H

Built with Optima's signature SpiralCell technology, the BlueTop D31M is highly resistant to the constant vibration and shock found in marine environments. Its spill-proof, maintenance-free AGM design means you can mount it in almost any position without worrying about leaks. Whether you are out on the open water or camping off the grid, this battery offers the versatility and longevity you need to keep your equipment running smoothly. Upgrade your marine electrical system today with the performance-driven solutions available at GGCRACING.

Product Details

Product Description

About OPTIMA

OPTIMA engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full OPTIMA lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Optima BlueTop D31M: Reliable Marine Power

The Optima BlueTop D31M is the gold standard for marine and RV enthusiasts who require a battery that can handle both starting and deep-cycle demands. With 900 Cold Cranking Amps (CCA), this battery provides the raw power needed to start large engines, while its deep-cycle capability ensures your onboard electronics, trolling motors, and appliances stay powered for longer periods.

Key Technical Specifications

  • Model: D31M (8052-161)
  • CCA: 900 Cold Cranking Amps
  • CA: 1125 Cranking Amps
  • Voltage: 12V
  • Terminals: Top Post and 5/16" Aux Stud
  • Dimensions: 12.81" L x 6.56" W x 9.38" H

Built with Optima's signature SpiralCell technology, the BlueTop D31M is highly resistant to the constant vibration and shock found in marine environments. Its spill-proof, maintenance-free AGM design means you can mount it in almost any position without worrying about leaks. Whether you are out on the open water or camping off the grid, this battery offers the versatility and longevity you need to keep your equipment running smoothly. Upgrade your marine electrical system today with the performance-driven solutions available at GGCRACING.

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