OPTIMA BlueTop D34M AGM Marine Battery

Description

The OPTIMA BlueTop D34M (8016-103) is a high-performance AGM marine battery engineered for both starting and deep cycle applications. Featuring OPTIMA’s exclusive SpiralCell design with 99.99% pure lead, it provides strong cranking power, efficient recharging, and long-lasting durability.

The D34M offers a balanced combination of power and capacity, making it ideal for boats with moderate electrical demands, including electronics, lighting, and accessory loads.

Key Features

• Dual purpose design – starting and deep cycle marine battery
• 870 Marine Cranking Amps (MCA)
• 750 Cold Cranking Amps (CCA)
• 55Ah capacity for deep cycle use
• 120 minutes Reserve Capacity
• Exclusive SpiralCell technology with 99.99% pure lead
• Up to 3x more recharge cycles than standard flooded batteries
• More than 15x vibration resistance
• Maintenance-free, spill-proof AGM design
• Mountable in virtually any position (except inverted)

Specifications

• Group Size: 34
• Voltage: 12V
• Marine Cranking Amps (MCA): 870
• Cold Cranking Amps (CCA): 750
• Capacity: 55Ah
• Reserve Capacity: 120 minutes
• Terminal Type: Dual Marine Terminals (SAE Post & 5/16″ Stud)
• Chemistry: AGM (Absorbent Glass Mat)

Dimensions & Weight

• Length: 10.06″ (256 mm)
• Width: 6.88″ (175 mm)
• Height: 7.94″ (202 mm)
• Weight: 44 lbs (20 kg)

Common Applications

• Marine starting and deep cycle applications
• Boats with electronics and moderate accessory loads
• Fishing boats and recreational watercraft
• Dual-purpose marine battery setups

FAQs

Is the OPTIMA D34M a starting or deep cycle battery?
It is a dual-purpose marine battery designed for both engine starting and deep cycle use for onboard electronics. If you are looking for a starting Group 34 see the BlueTop 34M.

What is the difference between D34M, D27M, and D31M?
The D34M offers a balance of size, power, and capacity. The D27M is a slightly larger option for heavier loads, while the D31M provides even higher capacity for heavier electrical demands.
View the D27M or view the D31M.

What terminals does the D34M have?
The D34M features dual marine terminals, including SAE posts and 5/16″ threaded studs for flexible installation.

Is this battery maintenance-free?
Yes, this is a sealed AGM battery and does not require water top-ups. However, it should be kept properly charged, especially during periods of inactivity.