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Batteries & Accessories

Power up your boat and keep it running smoothly with our reliable boat batteries and top-quality marine battery accessories!


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  1. Victron VE.Bus BMS V2 f/Victron LiFePO4 Batteries 12-48VDC - Work w/All VE.Bus & GX Devices

    $193.00
  2. Victron CYRIX-CT 12/24V-120A Intelligent Battery Combiner

    $58.00
  3. Blue Sea 7719100 - ML-Series Solenoid Switch - Deutsch Connector - 24V

    Special Price $189.72 Regular Price $315.51
    Out of stock
  4. Blue Sea 7719 - ML-Series Solenoid Switch - Stripped Wire - 24V

    Special Price $180.73 Regular Price $299.97
  5. Blue Sea 7718100 - ML-Series Solenoid Switch - Deutsch Connector - 12V

    Special Price $189.72 Regular Price $315.51
    Out of stock
  6. Blue Sea 7718 - ML-Series Solenoid Switch - Stripped Wire - 12V

    Special Price $180.73 Regular Price $299.97
    Out of stock
  7. Blue Sea 1494 - 360 Panel - Add-A-Battery

    Special Price $169.39 Regular Price $251.44
    Out of stock
  8. Victron Lithium Battery 12VDC - 330AH - Smart LifePO4

    $3,707.00
    Out of stock
  9. Mastervolt Battery Watch

    Special Price $219.74 Regular Price $327.92
    Out of stock
  10. Victron CYRIX-LI-CHARGE 12/24-120A Intelligent Charge Relay Cyrix LI Charge

    $89.00
  11. Victron SmallBMS f/Smart LiFePO4 Batteries w/M8

    $58.00
  12. Victron Smart BMS 12/200 f/Victron LIFEPO4 Batteries 12VDC Only

    $289.00

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WHAT TYPES OF BATTERIES ARE COMMONLY USED IN BOATS, AND WHAT ARE THEIR DIFFERENCES?

The most common types of batteries used in boats are lead-acid, absorbed glass mat (AGM), and lithium-ion. Lead-acid batteries are the most affordable and widely used, but require regular maintenance and have a shorter lifespan. AGM batteries are maintenance-free and have a longer lifespan, but are more expensive. Lithium-ion batteries are the most expensive but offer the longest lifespan and highest performance.


HOW DO I CHOOSE THE RIGHT BATTERY FOR MY BOAT?

Choosing the right battery for your boat depends on several factors, including the size and power requirements of your boat, the type of electrical system and accessories in use, and your budget. Here are some scenarios and boat types that each of these batteries is best suited for:

  • Lead-Acid Batteries: Lead-acid batteries are a common type of battery used in boats. They are best suited for smaller boats with less electrical equipment, such as small fishing boats or sailboats. Lead-acid batteries are also ideal for use as a starting battery due to their ability to provide high current in short bursts. They are also relatively inexpensive compared to other types of batteries.
  • Absorbed Glass Mat (AGM) Batteries: AGM batteries are a type of sealed lead-acid battery that offers improved performance and durability. They are best suited for larger boats with more electrical equipment, such as yachts or powerboats. AGM batteries are ideal for use as deep-cycle batteries, as they are capable of delivering a steady stream of power over a long period. They are also highly resistant to vibration and shock, making them ideal for use in rough waters.
  • Lithium-Ion Batteries: Lithium-ion batteries are a newer type of battery that offers several advantages over traditional lead-acid batteries. They are best suited for high-performance boats, such as racing boats or high-speed powerboats. Lithium-ion batteries are lightweight and have a high energy density, which allows them to deliver more power for a longer period. They are also highly durable and require little maintenance. However, they are more expensive than lead-acid or AGM batteries.

WHAT ARE THE MOST IMPORTANT FEATURES TO LOOK FOR IN A BOAT BATTERY?

The most important features to look for in a boat battery include its capacity, voltage, and ability to withstand the harsh marine environment. A battery with a higher capacity will provide more power and a longer lifespan, while a higher voltage battery may be required for boats with larger electrical systems or accessories. A battery that is resistant to corrosion and damage from the elements is also important for the longevity and reliability of the system.


WHAT ACCESSORIES ARE NECESSARY FOR PROPER BATTERY MAINTENANCE AND CARE?

Accessories that are necessary for proper battery maintenance and care include battery chargers, battery testers, and battery monitors. Battery chargers are used to keep the battery charged and ready for use, while battery testers and monitors can help to ensure that the battery is functioning properly and detect any potential issues before they become problems.


HOW DO I PROPERLY MAINTAIN AND CARE FOR MY BOAT BATTERY?

Proper care and maintenance of your boat battery can help ensure that it lasts as long as possible and operates reliably. Here are some tips on how to care for your boat battery:

  1. Charge the battery regularly: To keep your battery charged and prevent it from discharging completely, it is important to charge it regularly. Charge the battery after each use and before storing it for an extended period.
  2. Use a high-quality battery charger: Use a high-quality battery charger that is designed for your specific battery type. Follow the manufacturer's instructions when using the charger.
  3. Check the water level: If you have a lead-acid battery, check the water level regularly and add distilled water as needed. Do not overfill the cells.
  4. Clean the battery terminals: Keep the battery terminals clean and free of corrosion. Use a wire brush or battery terminal cleaner to remove any corrosion.
  5. Secure the battery: Make sure the battery is securely fastened to the boat and is not loose or vibrating. This can cause damage to the battery and shorten its lifespan.
  6. Store the battery properly: If you need to store the battery for an extended period, store it in a cool, dry place and keep it charged. Disconnect the battery cables to prevent any discharge.
  7. Monitor the battery condition: Check the battery voltage and condition regularly using a voltmeter or battery monitor. If you notice any signs of deterioration, such as reduced capacity or slow charging, replace the battery.

WHAT ARE SOME COMMON BATTERY ACCESSORIES THAT CAN HELP TO OPTIMIZE MY BOAT’S ELECTRICAL PERFORMANCE?

Common battery accessories that can help to optimize a boat's electrical system and performance include battery isolators, battery switches, and voltage regulators. These accessories can help to regulate and distribute power to the boat's electrical system and accessories, prevent battery drain or damage, and provide more accurate monitoring and control of the system. If you have any other questions on battery accessories and their capabilities, reaching out to customer service can help in determining which accessories are right for your boat's electrical system.

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