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One Stop Wholesale Marine Batteries Factory

With over 10 years of experience in battery development and manufacturing, KET is your go-to for professional wholesale marine batteries and custom battery pack solutions. Our battery products are widely used in various fields, including energy storage systems, go kart, golf cart, e-bikes, golf carts, forklifts, scrapers, melters, and more.

We have established long-term relationships with global companies such as BYD, Samsung, LG, and CALT, ensuring a stable and competitive supply of battery cells. Our focus is on providing you with the best marine batteries solution available. Choose KET for a battery solution that meets your needs and exceeds your expectations.
One Stop Wholesale Marine Batteries Factory
Strict Quality Control Of Your Wholesale Marine Batteries

Strict Quality Control Of Your Wholesale Marine Batteries

At KET, we understand the critical importance of reliability and safety when it comes to manufacturing marine batteries. That's why we're fully committed to ensuring that our products are both safe and dependable for our customers.

We have invested in advanced technology, including an automatic electric battery cell sorting machine, high and low temperature test box, charge and discharge aging instrument, comprehensive tester, and vibration tester, which allows us to thoroughly test and verify the performance of our products.

We have a rigorous testing process in place before shipment, including protection board testing, charge/discharge testing, aging testing, high and low temperature testing, core capacity division, incoming inspection, and vibration testing.

At KET, we take quality control very seriously and are fully committed to providing our customers with the highest quality products. Our commitment to quality is reflected in our adherence to the ISO9001 standard. Choose KET for marine batteries that you can trust.
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Your Best Marine Batteries For Sale

Looking for a customized lithium-ion marine battery solution that's both reliable and tailored to your needs? KET has you covered. With our advanced technology and commitment to quality, we can provide you with a battery that's not only safe and dependable, but also fully customized to your unique specifications (size, logo, voltage, capacity and more). Contact us today to learn more about the advantages of choosing KET for your marine battery needs.

How To Custom Your Marine Batteries?

Custom Marine Batteries

Note: Due to different custom requirements there will be different MOQ requirements, while the cost of raw materials for batteries has fluctuated a lot recently. So please contact us in time and get the latest marine batteries quotes.

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Common Types Of Marine Batteries

Marine batteries are designed for use in boats and other watercraft, and they come in different types to meet different power and energy needs. Here are some of the most common types of marine batteries:

Lithium-Ion Batteries: Lithium-ion batteries are becoming increasingly popular for marine applications due to their high energy density, long cycle life, and fast charging capabilities. They are also lighter and more compact than traditional lead-acid batteries. However, they are more expensive and require specialized charging equipment.

Flooded Lead Acid Batteries: These are the most common type of marine batteries. They are reliable, affordable and can deliver high cranking power. Flooded lead-acid batteries require regular maintenance and topping off with distilled water.

Absorbed Glass Mat (AGM) Batteries: AGM batteries are a type of lead-acid battery that uses a glass mat separator to hold the electrolyte. These batteries are maintenance-free, and they can handle deep cycling without losing their capacity. AGM batteries are ideal for boats that require a lot of power for extended periods.

Gel Batteries: Gel batteries use a thickened electrolyte gel to immobilize the electrolyte. They are highly durable and can handle deep discharges. Gel batteries are also maintenance-free, but they are more expensive than flooded lead-acid batteries.

Carbon Foam Batteries: Carbon foam batteries are a newer technology that uses carbon foam electrodes instead of lead plates. They are highly efficient, maintenance-free, and can handle deep cycling without losing their capacity.
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The Benefit of Using Lithium-ion Marine Batteries

There are Several Benefits of Using Lithium-ion Marine Batteries:

High Energy Density: Lithium-ion batteries Have a Higher Energy Density Than Lead-Acid Batteries, which Means They Can Store More Energy in a Smaller and Lighter Package.This make topic ideal for use in Boats Where Space and Weight Are at a Premium.

Long cycle life: Lithium-ion batteries Have a much Longer cycle life Than Lead-Acid Batteries, which Means they can last for many more charge and discharge cycles.This make topic a more durable and cost-effective option in the long run.

Fast Charging: Lithium-ion batteries Can be charged much Faster Than Lead-Acid Batteries, which Can Save Time and Increase The Efficiency of Your Boat's Electrical System.

Low self-discharge: Lithium-ion batteries Have a much Lower self-discharge rate Than Lead-Acid Batteries, which Means They Can Hold Their Charge for Longer Periods of Time Without Needing to be arbit.This make topic ideal for use in boats that are not used regularly.

Maintenance Free: Lithium-ion batteries Are maintenance-free, which meteans they do not require any of the maintenance tasks tasks that lead-acid batteries do, search as topping up with distilled Water or equalizing charges.

Overall, The Benefits of Using Lithium-ion Marine Batteries Include A High Energy Density, Longer Cycle Life, Faster Charging, Lower Self-Discharge, and Mainness-Free Operation.Thesis Advantated Make Lithium-ion batteries A Popular Choice for Boaters Who Want a More Reliable, Efficient, and Cost-Effective Electrical System for their Boat.
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FAQ

Storing marine batteries over winter
If you plan to store your boat and marine batteries over the winter months, it's important to take the necessary steps to ensure the batteries remain in good condition and are ready for use when the boating season starts again. Here are some tips for storing marine batteries over winter:

Fully Charge the Batteries: Before storing the batteries, make sure they are fully charged. This will prevent the batteries from self-discharging and losing their charge over time.

Disconnect the Batteries: Disconnect the batteries from the boat's electrical system to prevent any power drain or electrical shorts. It's also a good idea to remove the batteries from the boat altogether and store them in a cool and dry location.

Clean and Inspect the Batteries: Clean the batteries with a mixture of baking soda and water to remove any dirt or corrosion. Inspect the batteries for any signs of damage or leaks, and replace them if necessary.

Maintain the Charge: If possible, maintain the batteries' charge during storage using a trickle charger or battery tender. This will keep the batteries' charge at a safe and optimal level and prevent them from overcharging or discharging.

Store the Batteries in a Dry and Cool Place: Store the batteries in a cool and dry location, away from direct sunlight or heat sources. It's also a good idea to place the batteries on a non-conductive surface, such as a piece of wood or plastic, to prevent them from coming into contact with any metal objects.

By following these tips, you can ensure that your marine batteries remain in good condition and are ready to use when the boating season starts again.
Can Marine Batteries get wet?
Marine Batteries are designed to with exposure to water and moisture, but they are not completely Waterproof.In General, Marine Batteries Are Built to Be Water-Resistant and Can Handle Exposure to Splashes and Spray, as well as rain and humidity.

However, if a marine battery is complete in water, it can Cause Damage to the Battery and Lead to a Short Circuit or Other Problems.It's import to ensure that the Battery is mounted in a dry and well-ventilated location to prevent water from pooling around it.Additionally, it's import to inspect the Battery Regularly and Replace IT IF There are any signs of damage, search as corrosion or cracks in the case.
Can you offer the certifications for our marine batteries?
We make some regular battery packs certificates every year. But most of our battery packs are customized for you. And we can help you to get the certification for your customized battery packs.
What is the warranty of your custom marine batteries?
The warranty of our battery packs is one year. If you become our VIP, you can get extra 6 months.
Can you offer chargers of marine batteries?
We do not provide chargers. However, if you have a need for a charger you can contact our sales to assist in purchasing on your behalf.
Can we make one custom marine batteries?
Common materials are available to support one custom battery pack.However, if special materials are required, you will need to contact us for specific MOQ.
How to ship my custom marine batteries?
The logistics companies we work with are strong. Currently, depending on your destination and order, we are able to provide options such as air freight, sea freight, express delivery, rail transport and trucking.
What is your MOQ of marine batteries?
If it is our existing standard product, there is no moq requirement.
If it is a custom product, there is a MOQ requirement. However, the MOQ varies from material to material and you can contact us for specific information.