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Optima Batteries

BA806

12V 50Ah blue starter battery

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Retail priceBenefit from the professional rate

331,69€

331,69€ ~~339,73€~~

Tax included. Shipping calculated at checkout.

Low stock

Free pickup point shipping over €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Technical specifications

Battery technology	AGM (SPIRALCELL®)
Nominal voltage	12.0
Capacity	50.0
Energy	600.0
Max discharge current (A)	1000.0
Peak discharge current	1000.0
Discharge cut-off voltage	10.5
Bulk/absorption charge voltage	14.7
Max batteries in parallel	Illimité (avec un système de charge et des câbles appropriés)
Terminal size	SAE / BCI automobile et goujon fileté en acier inoxydable 5/16 – 18 UNC
Mounting orientation	Dans presque toutes les positions (étanche aux déversements)
Storage temperature range	-20°C à 40°C
IP rating	Non spécifié (étanche aux déversements)
Dimensions (W x H x D)	254 x 175 x 200 mm
Weight	18.1
Housing material	Polypropylène
Low temperature protection	Non
Application Type	Marin, Véhicule de loisirs, Camping-car, Industriel
Battery Function Type	Démarrage
Charge Retention Duration Months	12
Cold Cranking Amps Cca	815
Maintenance-free	Oui
Marine Cranking Amps Mca	1000
Recommended continuous discharge current	25.0
Reserve Capacity Rc Min	100
Étanche aux déversements	Oui
Technology Specific Name	SPIRACELL®
Vibration Resistance Factor	15

Detailed description

The Optima BlueTop BA806 battery is a 12V 50Ah starting battery designed for demanding marine applications and recreational vehicles. It features patented AGM SPIRACELL® technology, providing a reliable and consistent power source. Compared to conventional batteries, the BlueTop stands out for its ability to deliver high starting current even in extreme conditions, with 815A cold cranking amps (CCA) and 1000A marine cranking amps (MCA).

AGM SPIRACELL® technology and performance

Thanks to its spiral-wound AGM design, this Optima battery offers superior vibration resistance, estimated at over 15 times that of traditional batteries. This makes it particularly suitable for marine environments where shocks and constant movement are common. Its 100-minute reserve capacity at 25 amps ensures prolonged power supply for onboard electronics. The SPIRACELL® technology also enables faster recharging and a low self-discharge rate, maintaining charge for up to 12 months at room temperature.

Versatility and durability

The Optima BlueTop BA806 battery is a starting battery, capable of providing the power needed to start the engine. Its sealed, maintenance-free design eliminates spill risks and allows flexible mounting in almost any position. It is specifically recommended for marine applications requiring powerful starting, as well as for starting motorhomes and industrial equipment. Its lifespan is up to three times longer than that of classic marine batteries.

Expert opinion

Pol CONIN

Digital Manager

« Technical analysis of the Optima BlueTop AGM marine battery »

The Optima BlueTop 12V 50Ah battery is a strategic choice for sailors and professionals requiring a reliable and versatile power source. Its AGM SPIRACELL® architecture sets it apart from conventional lead-acid batteries, particularly with its ability to withstand repeated charge/discharge cycles without significant degradation of starting performance. For vessels equipped with trolling motors or energy-intensive electronics, this battery provides the advantage of a single solution for starting and house loads, simplifying installation and reducing space requirements.

Its compact size and sealed design allow installation in tight or unventilated compartments where a flooded battery would be problematic. Resistance to vibration—a critical factor in marine environments—is a major asset, extending the battery’s useful life under dynamic stresses. While it may represent a higher initial investment than a conventional battery, its extended longevity and consistent performance make it a cost-effective option in the long run. It is essential to ensure proper charger sizing to maximize the benefits of its fast charging.

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12V 50Ah blue starter battery

331,69€

331,69€ ~~339,73€~~

Frequently Asked Questions

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What is the primary use of the Optima BlueTop BA806 battery?

The Optima BlueTop BA806 battery is a starting battery. It is specifically designed to provide the power required to start the engine, particularly for demanding marine applications and recreational vehicles.

Which technology is used in this Optima battery?

This battery integrates the patented AGM SPIRACELL® spiral-cell technology. This spiral-wound design provides a reliable and consistent power source.

What are the voltage and capacity of this battery?

The Optima BlueTop BA806 battery has a voltage of 12V and a capacity of 50Ah.

What is the cold cranking amps (CCA) of this battery?

The cold cranking amps (CCA) of the Optima BlueTop BA806 battery is 815A. This indicates its ability to deliver high current for starting, even in cold conditions.

What is the marine cranking amps (MCA) of this battery?

The marine cranking amperage (MCA) of the Optima BlueTop BA806 battery is 1000A. This rating is specific to marine applications and reflects its starting performance in a marine environment.

What is the reserve capacity of the Optima BlueTop BA806 battery?

The reserve capacity of this battery is 100 minutes at 25 amperes. This feature ensures extended power supply for onboard electronic equipment.

Does the Optima BlueTop BA806 battery require regular maintenance?

No, this battery is designed as sealed and maintenance-free. This eliminates spill risks and simplifies its use.

What is the vibration resistance of this battery compared to traditional batteries?

Thanks to its spiral-wound AGM design, this Optima battery offers superior vibration resistance, estimated at more than 15 times that of traditional batteries. This robustness makes it particularly suitable for marine environments where shocks and constant movement are common.

How long can this battery hold its charge when not in use?

The SPIRACELL® technology ensures a low self-discharge rate, meaning the battery can maintain its charge for up to 12 months at room temperature.

What is the lifespan of this battery compared to traditional marine batteries?

The lifespan of the Optima BlueTop BA806 battery is up to three times longer than that of conventional marine batteries, providing better longevity.

What is the weight of the Optima BlueTop BA806 battery?

The weight of the Optima BlueTop BA806 battery is 18.1 kg.

Is the Optima BlueTop BA806 battery a deep-cycle or starting battery?

This is a starting battery, capable of delivering the power required to start the engine. It is not designed for repeated deep discharge cycles.

What does the 'BlueTop' designation mean for this Optima battery?

The 'BlueTop' designation for Optima batteries indicates that the battery is specifically designed for marine applications and recreational vehicles. The BA806 model is a starting battery within this range.

What are the benefits of AGM SPIRACELL® technology for this battery?

Superior vibration resistance: more than 15 times that of traditional batteries. Faster charging: enables quick charge recovery. Low self-discharge: holds charge for up to 12 months. High cranking current: delivers strong starting power even in extreme conditions.

Is this battery designed for extreme conditions?

Yes, the Optima BlueTop BA806 battery can deliver high cranking current even in extreme conditions, thanks to its AGM SPIRACELL® technology.

For which types of applications is this battery specifically recommended?

This battery is specifically recommended for:

Marine applications requiring strong cranking power.Starting of motorhomes.Starting of industrial equipment.

Is it suitable for electric trolling motors?

No, the Optima BlueTop BA806 battery is a starting battery. For trolling motors that require deep and regular discharge, a deep-cycle battery designed for this purpose is recommended.

Are there any restrictions regarding the mounting position of the battery?

No, thanks to its sealed and maintenance-free design, the Optima BlueTop BA806 battery allows flexible installation in almost any position without risk of spillage.