Optima 34M BlueTop AGM Marine Starting Battery 800 CCA

The Optima 34M BlueTop is a high-performance AGM (Absorbed Glass Mat) starting battery engineered specifically for marine and RV applications. Designed to deliver reliable cranking power in harsh conditions, this battery features dual terminal posts—both standard SAE automotive posts and 5/16" stainless steel threaded studs—providing versatile connection options for your boat or recreational vehicle.

SPIRALCELL Technology:

Optima's patented SPIRALCELL design utilizes tightly wound cells made with 99.99% pure lead, delivering superior cranking power and consistently outperforming conventional flat-plate batteries. This innovative construction ensures optimal starting power even in extreme weather conditions.

Key Features:

• 800 Cold Cranking Amps (CCA) and 1,000 Marine Cranking Amps (MCA)
• 100-minute reserve capacity at 25 amps
• 50 Ah C20 capacity for extended performance
• 15 times more vibration resistant than traditional flooded batteries
• Up to 3 times longer service life than standard marine batteries
• Completely sealed and spill-proof design
• Mountable in virtually any position
• Maintenance-free operation—no water additions required
• Faster recharge capabilities than conventional batteries
• Low self-discharge rate allows storage up to one year without recharging

Ideal Applications:

Perfect for boats with high-demand starting requirements, RVs, and marine vessels exposed to constant vibration and harsh conditions. The Group 34M case size provides a reliable fit for applications requiring robust starting power. Includes a removable carrying strap for convenient handling.

This is a starting battery designed for engine cranking applications. For dual-purpose starting and deep-cycle needs, consider the Optima D34M model.