OPTIMA BLUETOP D31M Marine Dual Purpose AGM Battery - 900 CCA (8052-161)

Starting power and cycling capacity for life on the water. The OPTIMA BLUETOP D31M (8052-161) delivers 900 cold cranking amps from a 12-volt AGM battery, with 75 Ah capacity and 155 minutes of reserve capacity. Its sealed, maintenance-free construction eliminates routine water top-ups.

A dual purpose choice for compatible marine and RV installations that combine engine starting with accessory loads. Size the battery bank to your equipment’s power requirements.

Key Features

• Combined starting and deep-cycle capability in an AGM design.
• 900 CCA for starting power and 75 Ah rated capacity at the 20-hour rate.
• 155-minute reserve capacity.
• Sealed, maintenance-free construction with vibration resistance.

Electrical Specifications

Mechanical Specifications

Warranty

Supplier-listed standard warranty: 24 Months. Commercial / start-stop warranty: 24 Months. Coverage is subject to the manufacturer’s terms and the application.

Check Your Fit

Confirm the required voltage, case size, terminal arrangement, hold-down and vehicle or equipment requirements before ordering. Product images are illustrative; the actual terminal arrangement may differ.

Coverage depends on your battery model and the terms supplied with your purchase. Contact DIYBattery before returning, shipping or dropping off a battery.

Read the warranty terms or compare warranty support options. Standard manufacturer replacements require warranty approval. The optional DIYBattery Premium one-time exchange does not require testing or manufacturer approval before delivery; see its separate terms.

Contact us about a warranty claim

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