OPTIMA BLUETOP D31M AGM Dual-Purpose Marine/RV Battery

OPTIMA BLUETOP D31M — 12V 900 CCA AGM Dual-Purpose Marine/RV Battery

The OPTIMA BLUETOP D31M is a 12V AGM dual-purpose marine and RV battery built with OPTIMA's proprietary SPIRALCELL technology and 99.99% pure lead cells. Equally capable as a starting and deep cycle battery, it delivers 900 CCA, 1125 MCA, and 155 minutes of reserve capacity — with 15x the vibration resistance of standard flooded batteries.

Key Features

• Dual-purpose design — handles both engine starting and deep cycle demands
• SPIRALCELL technology — 99.99% pure lead for more power and longer life
• 15x vibration resistance — vs. standard flooded batteries
• Up to 3x longer life — vs. standard flooded batteries
• Maintenance-free AGM — completely non-spillable, mountable in many positions
• Best for: High electrical demand marine and RV applications

Specifications

• Voltage: 12V
• Cold Cranking Amps (CCA): 900
• Marine Cranking Amps (MCA): 1125
• Reserve Capacity: 155 min (@ 25A)
• Capacity: 75 Ah (C20)
• Terminal: Type M
• Application: Marine / RV
• Technology: AGM
• Battery Type: BLUETOP
• Model: D31M
• Length: 12.81" | Width: 6.56" | Height: 9.38"
• Weight: 59.8 lbs
• Part Number: 9052-161

Ideal For

• Boats and marine vessels with high electrical demands
• RVs requiring dual-purpose starting and house power
• Trolling motors, fish finders, and onboard electronics

Ships from Thunder Battery — Canada's trusted marine and RV battery dealer.