Best Marine Battery Reviews (Find Best Battery for your Boat)

A battery delivers the initial spark to start our vehicles and marine batteries are no different. Marine batteries comprise water-resistant automotive batteries which are recommended for deployment in aquatic vehicles such as boats or jet skis. It’s the only means of power storage and backup, just not for your boat, but also for operating the different appliances onboard. Using the best marine battery is important to obtain the finest recreation & fishing experience.

Types of Marine Battery

Chemical marine batteries can be classified into 3 types, flooded batteries, gel batteries and Absorbed Glass Mats (AGMs). They are rated on the basis of energy output which is measured in ampere hours. This output along with the lifespan generally determines the batteries’ price. Overall, the way you utilize your boat, the kind, and size of your boat and your budget are the major factors to consider while purchasing the battery.

Flooded Battery

Also known as wet batteries, these batteries are the cheapest and most popular type of marine batteries. These batteries require regular inspection and filling up with distilled water. The flooded batteries are believed to self-discharge at a rate of 6-7%, which is greater than the AGM and gel batteries.

Gel Battery

The gel employed in gel batteries includes a mix of pure water, phosphoric acid, fumed silica and sulfuric acid. It is slightly viscous which stops leakage from the battery if it is tipped or when the case suffers damage.

Absorbed Glass Mat (AGM) Battery

These batteries are built with glass mat separators which are saturated in an acid electrolyte solution. AGM batteries possess improved vibration and shock protection in comparison to gel and flooded batteries. Though the most expensive, their quality is excellent.

When You Need To Get a New Marine Battery

A new marine battery is needed by the boat when its battery gets discharged. The new battery may be required to start and run your engine. You may then be required to purchase a new battery to fire the ignition and supply fuel through the electronic injectors.

Top 5 Best Marine Battery for choice

Optime 8016-103 D34M Blue Top Starting and Deep Cycle Marine Battery

Optima 8016-103 comprises the finest dual purpose battery within group 34. It contains a 12V AGM battery with a capacity of 50AH which is ideal for various high-power requiring accessories. The optimal starting energy and deep cycling capability, being 3 times greater than that of standard batteries qualifies it as a strong marine battery. It is completely spill-proof and adaptable to any mounting position. The unique stainless steel posts render the battery 15 times more resistant to huge vibrations and increase its durability. The battery has a reserve capacity of 120 minutes, on continuous use. The weight of the Optima Blue Top battery is 47 pounds and it is employed mainly in boats & trolling motors.

PROS

  • Its dual purpose of starting and deep cycle furnishes the battery with the capability of powerful cranking and sure starting
  • The unique SpiralCell design of the battery aids in supplying a potent power source
  • The sealed posts do not corrode
  • Able to hold heavy loads at 12V for a longer duration
  • The Optima batteries can be charged much more quickly as compared to other batteries

CONS

  • Need total battery replacement if the AGM battery is unintentionally overcharged
  • It is a bit pricey

Vmax857 Tm AGM 12V Marine Deep Cycle Hi Battery

The Vmax857 battery incorporates AGM technology which makes it a dependable and maintenance free battery. It has 12 Volts with 35 AH rating and a reserve capacity of 75 minutes. There is no danger of leakage of harmful gas or flammable fumes and it is totally spill proof. It has a capacity of fast recharge and the battery has CCA of 300 A and MCA of 390 A and can be employed in the cold climatic environment also. The plates are made of special custom built military grade alloys that impart its physical and chemical structures. It is high vibration resistant and handles heat and rough weather conditions. The VmaxTanks battery offers highest power density, deep cycle capacity and withstands heavy shocks.

PROS

  • Have long durability and capacity
  • Superior discharge rate
  • Leak proof operation and mounting from any position
  • The battery’s ultra strong ABS container decreases case bulging & plate warping

CONS

  • Suitable only for deep cycle purpose
  • Charged only with an AGM smart charger

Exide XMC-31 Megacycle Marine Battery

The Exide XMC-31 serves the purposes of both starting and deep cycling and is long lasting. Designed with the sophisticated AGM technology, the battery can withstand extreme resistance. Its power rates stand at 925 CCA and 110 CA with a whopping reserve capacity of 200 minutes. The Exide XMC-31 battery incorporates a dual terminal design and can sustain high vibrations and intense deep cycles. The recombination technology of the separator of the absorbed glass mat of the battery stops the occurrence of cell dry-out.

PROS

  • High starting and deep Cycling power
  • Designed for increased vibration resistance
  • Long time warranty

CONS

  • More expensive than flooded batteries

WindyNation 12V 100 Amp-Hour AGM SLA Deep Cycle

This 99.95 pure lead battery produces a very low discharge rate. It has a 240-minute reserve capacity (100 Amp-Hours). The float-life of this 12 V battery is 10 to 12 years at 25 degrees Celsius. It is totally sealed, AGM Deep Cycle Battery that is designed to be deeply discharged. They are best suited for off-grid energy, solar, RV’s and offshore marine power and telecommunications as well as for portable equipment. It contains UL Listed mark and is also supported by a complete one year warranty.

PROS

  • No maintenance required and emits no dangerous fumes
  • Designed for deep cycle performance for systems
  • Non-spillable design
  • Its float life is ten to twelve years which is the life expectancy under regular charge

CONS

  • The battery post is brass made and cannot be compactly torqued down without risking damage to the post

Power Pontoon Electric Trolling Battery

The 12V 55AH Power Boat Pontoon Electric Trolling Battery is a valve controlled closed lead acid batteries that are tough and cost effective. The SLA batteries from Mighty Max have varied applications in wheelchairs, scooters, and computer units, industrial cum medical equipment and also in UPS backups. They can generate power when required; the ML55-12 uses a high-tech heavy-duty calcium-alloy grid that boosts its efficiency and performance life together in float and cyclic utilities.

Its valve controlled design can function in enclosed and inner environments without any spill or up-gradation and performs flawlessly for innumerable models. This Sealed Lead Acid (SLA) rechargeable battery is maintenance free and has a high discharge rate, wide functioning temperatures, lengthy service life and intensive discharge recover.

PROS

  • Absorbent Glass Mat (AGM) technique for excellent efficiency
  • Valve controlled, spill resistant building supports secure operation at any level
  • High energy density
  • Long lasting with 55 Amp hours and top performance

CONS

  • It being 12 V battery hence cannot power up a 24 or 36-volt motor
  • No water replacement process inside the battery if accidentally overcharged

Buying Guide For Getting New Best Marine Battery

A marine battery is a vital unit of direct or back up power for boats or other marine types. While choosing marine battery one should consider its weight because if you need to transport the battery often, then a marine battery weighing 20 to 50 pounds would be ideal. If regular transportation is not required then opt for 70-80 pounds of battery weight.

The kind of battery

The battery type whether Starting (Cranking ) or Deep Cycle which is used in marine and golf cart applications. The deep cycle batteries contain thicker plates and can withstand multiple discharge cycles. The Absorbed Glass Mat (AGM) and Wet Cell (flooded) are different lead cell battery versions.

Reserve capacity

While procuring a deep cycle marine battery it is vital to consider its reserve capacity rating. RC rating denotes the time in minutes the battery discharges up to 10.5 volts by delivering 25 amperage discharge at 80 degrees Fahrenheit. It indicates the time during which the battery will continue to operate basic accessories in situations of an alternator or generator failure or when the key is off. The higher the RC rating of the battery, the longer it will power up appliances. The top quality marine batteries bear an RC rating of 180 minutes and the inferior ones have up to 35 minutes. The average quality marine batteries contain 60 to 90 minutes RC ratings.

A comparative analysis of the products is made to help the buyer chose with precision which is as follows:

Purpose Usage

The XMC-31 forms an excellent option with its 100AH capacity and dual purpose AGM marine battery. Optima 8016-103 is the finest dual-purpose battery with both starting and deep cycle to enable strong cranking, definite starting, and maintenance free power source. This Blue Top battery is used mainly for recreational boats and trolling motors and power back up with sinewave inverter.

The Vmax857 battery is useful for deep cycle purposes and perfect for small boats, trolling motors, military applications and also starting power of electronic gadgets. It is ideal for tiny boats like 18 to 35 pounds Minn Kota, Cobra, Sevylor and various trolling motors needing a 12V battery with 35 AH capacity or lower. The finest Vmax features 170 AH and 360 RC minute reserve capacities for power boat usage.

The Mighty Max 12 V SLA batteries are applied in various applications like consumer electronics, electric carriers, engine starters, lawn and garden equipment, Motorcycles, Emergency lighting or to Access Control gadgets. It can generate power when required and its calcium-alloy grid extends its output and service capacity for float and cyclic operations. It can also be used for security purpose and for vehicles operating on the electrical motor such as golf cart. The Windy Nation 12 V 100 Amp-hour battery with a 240-minute reserve capacity can be used in Off-grid power, solar plus wind power, UPS and offshore marine energy and telecommunications and for materials dealing with oil and gas.

Brands

The Vmax 857 is reputed for its performance, quality, and structure. Its plate structure makes it extremely reliable and more powerful than standard marine batteries with Pb-Ca plates. The high-performance AGM batteries of the Optima 8016 battery are rated higher than their competitors and it comes with a 2-year replacement warranty. The Exide XMC-31 is a megacycle maintenance free absorbed glass mat battery, having 40% more charge acceptance than lead flooded batteries.

The Deep Cycle Battery from the Windy Nation Brand holds well in heavy vibration atmosphere and is submersible, unlike the wet-cell battery. It can be set up at any angle and is a sealed AGM battery which is free from spilling and you need to worry about its refilling or storage in an upright position. Their thicker plates can sustain deeper cycles.

The Pontoon brand Electric Trolling Motor Battery ML55-12 is made from Absorbent Glass Mat (AGM) technique and has a valve controlled design with oil spilling and maintenance. It offers a high discharge rate and a sustained service life.

Features

The Exide XMC-31 comes with a storage unit which includes all advanced components and including 1110 starting power and deep cycling power doubles that of standard batteries. The spiral design of Optima batteries supplies a durable and tidy fuel source. Their best feature is the optimal starting power even in the harshest weather conditions and resistant to vibrations for durability over 15 times. The optima batteries can hold heavy loads at 12V for extended periods. The AGM technology of the Vmax renders it trustworthy and maintenance free. It is wholly spill proof and recommended for mobile, maritime and also for air travel. They are totally sealed and non-injurious and is long lasting and weatherproof.

The Windy Nation 100 AH Deep Cycle Battery is UL Listed and backed by complete one year warranty and is a maintenance free totally sealed AGM battery. It contains no hazardous fumes. They can withstand multiple deep discharges without causing any damage to the inner components of the battery. It has a high 100 Amp hours rating that makes it deliver more power. The Power Pontoon Electric Motor Trolling Battery is also a deep cycle battery that handles heavy tasks without overheating. Its heavy-duty calcium-alloy grid increases its performance and service life. They have heavier plates and proprietary materials to boost its power and life cycle capacity.

Quality

The AGM technology of Vmax deep cycle batteries resists all vibrations and shocks. The Vmax857 is the best choice for a deep cycle battery and is reliable. Constituted of top quality materials the Vmax battery outlasts all other deep cycle batteries guaranteeing long lasting power, and belongs to UI group. The stainless steel posts of the Optima BlueTop make it 15 times more resistant to extreme vibrations and increased durability. The AGM technology of the Exide XMC-31 enables it to withstand extreme resistance and offer finest lifetime and power production.

The Windy Nation 100 AH Deep Cycle Battery is UL Listed and backed by complete one year warranty and is a maintenance free totally sealed AGM battery. It contains no hazardous fumes. They can withstand multiple deep discharges without causing any damage to the inner components of the battery. It has a high 100 Amp hours rating that makes it deliver more power. The Power Pontoon Electric Motor Trolling Battery is also a deep cycle battery that handles heavy tasks without overheating. Its heavy-duty calcium-alloy grid increases its performance and service life. They have heavier plates and proprietary materials to boost its power and life cycle capacity.

Easy to Use

The Vmax857 is lightweight and extremely portable weighing just 25 pounds. It is totally spill-proof with fast recharge and suits the cold climatic environment. It has extreme utility being recommended for mobile, maritime as well as air travel. It is wholly sealed and nonhazardous with a long service life of nearly 8-10 years. The Exide XMC-31 has been designed to advance vibration resistance and bear heavy deep cycles. The Optima BlueTop battery is completely spill-proof and compliant with all mounting position. They can be charged quickly and don’t heat up during charging.

The Pontoon Electric Trolling battery and the Windy Nation Deep cycle battery are sealed and require no routine filling or frequent inspections. They are easily portable and the units can be transported easily.

Conclusion

Purchasing a marine battery makes it important to have a fair idea of its types and their purpose, whether it is a deep cycle battery or a dual purpose one for both cranking and deep cycle or solely for cranking or starting an engine. It is also better to know about its conduction medium and electrolyte that makes it AGM or Flooded or Lithium-ion battery.

The batteries analyzed are dual purpose ones with deep cycle and cranking and specific deep cycle batteries that are constructed to deeply discharge and recharge hundred times. By analyzing their higher ampere-hour rating , reserve capacity and life cycles we have compiled the best 5 marine batteries.

The 23 Volts and 100 amperes-hour Windy Nation Battery can deliver more power to the equipment than Pontoon 12 Volts 55 Ampere battery. Due to its 100 AH capacity, it can discharge 5 amps each hour for full 20 hours. They have the best thicker grids with a denser plate and alloy material primarily designed to perform numerous cycles and continuous operating duration to run trolling motors, inverter, and live wells. They can withstand multiple deep discharges plus recharge compared to the genuine cranking batteries.

The Vmax857 is the best choice for a deep cycle battery and is reliable. The AGM technology of the Exide XMC-31 can withstand extreme resistance and offer finest lifetime and power production.

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