Deep Cycle Marine Battery
Optima Batteries 8016-103 D34M BlueTop Marine Starting Battery Review
The Optima BlueTop D34M is a high-performance deep cycle marine battery designed for both starting and deep cycling applications. It features SpiralCell technology for strong starting power and deep cycling capability, making it ideal for boats with trolling motors and other marine electronics.
What Customers Are Saying
Users praise the Optima BlueTop for its reliability and long lifespan, noting that it holds a charge well even in demanding marine environments. Many appreciate its vibration resistance and compact design, which fits well in tight battery compartments. Some users mention the higher price but agree that the performance justifies the cost.
Pros
- Excellent deep cycle and starting power
- Vibration resistant SpiralCell technology
- Maintenance-free and spill-proof
- Compact and durable design
- Long service life
Cons
- Higher price point compared to competitors
- Heavier than some other batteries
- May require a specific charger for optimal performance
- Limited availability in some retail locations
- Not ideal for very small boats due to size

