Best Lithium Marine Battery: Definition, Choosing Guide & Selections

Published on: January 19, 2022
Written by Liam Jaxon / Fact-checked by David Rowan

Lithium or Lithium-ion (Li-ion in short) batteries are the power sources of many devices nowadays, such as cell phones and laptops. Even for trolling motors, lithium batteries have been popular with us.

There are various types of Lithium marine batteries that can make your choice difficult.

The decision of your best lithium marine battery will be decided by the general marine experience, so you really want to pick the right one. In the event that you are searching for lithium marine batteries, you probably have a ton of questions.

best lithium marine battery

Since we’ve collected all the information and set up this rundown of the top 6 lithium marine batteries for your marine experience. These batteries are placed considering their adaptability, power, charging range, and large quality.

What is the Lithium Marine Battery?

The lithium iron phosphate battery is essentially a huge mobile phone battery for your boat. However, albeit it carries a similar name because of the battery on your phone, you do not need to worry about it exploding or wearing a call for a brief amount of your time.

They’re ideal for trolling motors or on boats, which will depend upon tons of accessories because they’re designed to take care of a gentle charge. They’re also lighter weight than other batteries, making it possible for you to stress less over the load of all that you simply wear.

Size Chart for Lithium Marine Battery

This battery size profile decides a battery class about the size of each marine battery.

You can track batteries with a slightly larger or more modest aspect, yet each model should be hand-fitted within the size of an assembly when deciding on the classification.

Group SizeEstimated CCAEstimated capacity (Ah)LengthWidthHeight
22NF300 – 550      40 -569.43-inch5.5-inch8.94-inch
24M840 – 50075 – 8510.25-inch6.81-inch9.75-inch
25  –                –
27M640 – 87066 – 11012.5-inch6.81-inch9.75-inch
31M600 – 115075 – 12513-inch6.81-inch9.44inch
35750 – 88050 – 7510.25-inch9.44inch44-inch
65    –  –

Factors Have to Consider for Lithium Marine Battery 

Thickness for Marine Battery

The thickness of energy indicates how much energy is kept away in a particular place or weight. The power thickness of a lithium-particle marine battery is the weight or how much power is supplied per unit volume of the battery.

Battery power thickness is the ratio of power to the mass or volume of a stockpiling medium in a given electrochemical stockpiling gadget. 

The former is known as “mass-energy thickness” and the latter is known as “volume energy thickness” and is estimated in watts: per kilogram and watts: liters per hour separately.

Marine battery weight Energy thickness = battery limit x release stage/weight, unit Wh/kg

Marine battery volume energy thickness = battery limit x release stage/volume, in-unit Wh/L

The more prominent the power thickness of the marine battery, the more power can be kept away per unit weight or volume.

Considering About Waterproof

Fish-watching devices tend to be water safe, however, the lithium-particle marine battery isn’t. Furthermore, an essential part of any work on damp water that is a major competitor in terms of reality, you should really think about where and how to keep your lithium-particle marine battery away.

Assuming the terminals get wet, the gadgets may be small or destructive. In any case, you are in for a strong loss and extra charge. 

Make sure the battery avoids splashing water and parts in the waterproof case, especially in the waterproof kayaking portion.

How Long Will Lithium-ion Marine Batteries Last if Utilized Immediately?

Once we know the marine battery extensible voltage, we also suggest battery limits in light of boat speed and fishing time.

Marine Battery Amp Hour

=  Running hours

The motor amp draw is starting

Here is a chat with runtime estimates to make it easier.

Marine Battery ThrustRuntime High-SpeedRuntime Medium SpeedRuntime Low-Speed
80lbs to 100lbs2 hours4 hours20 hours
40lbs to 70lbs2.5 house5 house20 house
30lbs & less2 house4 house20 house

How is it Different from Other Batteries?

A lithium battery is different from any other battery because of its performance. This type of battery contains more power and has efficient rechargeable features. This is because of its lithium and carbon content.

Lithium is a highly reactive element. Hence, it can store more energy in its molecular bonds.

Let’s get that into perspective.

A 1-kilogram lithium-ion battery can deliver 150 watts of electricity while a Nickel-Metal Hydride (NiMH) of the same size can only deliver 60 – 70 watts.

Also, a lithium battery is relatively lighter than other types of power cells.

Are There Any Downsides to Lithium Batteries?

Although lithium batteries are efficient power sources, they have some disadvantages that you should watch out for. One of these is that this battery is very sensitive to high temperatures. Another one is that it can be ruined if you completely discharge it.

There are some rare cases where a lithium battery is inflamed because of packing failure; But in general, quality lithium marine batteries are safe. They can be considered trolling motor batteries. Or to be more specific, a lithium battery can be a marine battery.

Quick Solutions

Can It Be Used as an Ups Battery?

No, it can’t be. It has low Ah which is not enough for a UPS. If you use it as UPS battery storage, then you won’t get desired performance. However, it will shorten the battery life.

Do the Batteries Need a Specific Charger for Charging?

No, you can use any. They are having a WPS Featherweight balancer built so you don’t need to use a specific charger.

Are They Fit for Honda CBR1000RR or KTM 350?

Yes, you can use these batteries for these vehicles.

Has It Enough CCA to Work Perfectly with Harley?

No, they are not suitable for Harley. They have a lower CCA than a Harley needs.

Can it be Used in a Car?

Of course not! They are made for little duty like bikes. You can’t use them for your car. For car use, you have to buy a bigger one.

Are They LiFePO4 Batteries?

Yes, they are. Shortly they are called lithium-ion batteries.

Are They Working Well With All Deep Cycle Applications?

Yes, perfectly. Though they are tiny in size, they are made for doing work such as this.

How Long Does a Lithium Marine Battery Last?

Marine lithium-particle batteries powered by lithium batteries require no support by any imagination. These are useful for about 3000 to 5000 life cycles vs. 200 to 300 life cycles which survive mostly AGM and lead-acid batteries. It usually means that your LBP battery will last for about 10 years.

How Do You Charge a Lithium Marine Battery?

The descent method of charging a LiFePO4 battery is with a lithium iron phosphate battery charger, as it will be customized with the appropriate voltage limiting. Most lead-consuming battery chargers will do a fine and disgusting job. AGM and GEL charge profiles typically reach the farthest reaches of the lithium iron phosphate battery voltage.

What is the Difference Between Lithium Batteries and AGM Batteries?

Focuses with it show the contrasting characteristics between lithium and AGM: AGM batteries are subtle for releasing indigestion. Again a lithium battery is not too much affected by the depth of release so it no longer floats the life of the cycle.

What is BMS (Battery Management System) in a Lithium Battery?

A battery management system is a clever part of a battery pack that monitors cutting edges and is accountable to executors. It is the mind behind the battery and it assumes an initial part of its degree of protection, charge rate, efficiency,  and lifespan. The largest battery life reached improved per charge.

Will I Be Able to Utilize a Lithium Battery for the Trolling Motor?

LiFePO4 lithium batteries can be utilized with our engine. LiFePO4 batteries that have the highest extreme current output current rating should be higher than the maximum current rating of the saving engine or battery.

View Our Selected Top 6 Lithium Marine Batteries-

1. Battery Tender BTL35A480C Lithium Iron Phosphate Battery

The Battery Tender Lithium Iron Phosphate is a good power source for your motorboat. This brand of lithium marine battery is lightweight as it only weighs 3.75 pounds, which is 80% lighter compared to other cells.

The Battery Tender can outlast other marine batteries due it has longer lifespan. It operates under 480 CCA capacities.

This battery can deliver 12 volts of uninterrupted power. Aside from its performance, storage is not a problem for this battery. It can perfectly fit into your battery box due to its foam spacers. This lithium marine battery can even be mounted in any direction you want.

Probably, one of the best features of Battery Tender BTL35A480C Lithium Iron Phosphate is that it can work even in high temperatures.

What We Liked

  • Lightweight,  it is only 3.75 pounds;
  • Has a longer lifespan;
  • Perfectly fit into battery box due to its foam spacers;
  • High-powered LiFePO4 engine.

What We Didn’t Like

  • No noticeable cons.

2. WPS Featherweight Lithium Battery HJTZ5S-FP-IL

WPS Featherweight Lithium Battery is another good choice of power source, especially for trolling motors. This battery utilizes lithium-ion polymer to amplify its strength and electricity delivery.

What makes this WPS Featherweight battery great is that it has a LED indicator that will tell you its remaining juice. Moreover, it is also lighter than other marine batteries, which only weigh around 1 pound.

It can work even in extreme temperatures and can keep a steady performance without issues for up to one year. This is due to its sturdy and compact construction.

Furthermore, this battery has better cranking amps compared to lead-acid batteries.

What We Liked

  • The best option especially for trolling motors;
  • Lighter than other marine batteries;
  • Can work even in extreme temperatures;

What We Didn’t Like

  • No noticeable cons.

3. Renogy Smart Lithium Iron Phosphate Battery (Li 12V 100Ah)

This Renogy RV battery utilizes the most recent lithium iron phosphate innovation in order to convey. This version can be utilized as a hardcore RV battery to control extremely requesting electric gadgets.

What’s more, you can utilize this battery in an arrangement association. To such an extent that it increments its ability and lowers. Its release rate is considerably further. Besides, since this is a fixed battery, it’s without support too. A decent aspect concerning this model. It’s lightweight and reduced so it would not devour a great deal of room in your RV, notwithstanding being genuinely convenient for exercises like outdoors.

Thus, this model is certainly extraordinary compared to other camper batteries. In the event that you need a versatile model for outdoors or other outside purposes.

What We Liked

  • Maintenance-free battery;
  • High capacity of 100 AH.

What We Didn’t Like

  • It is an expensive battery.

4. TalentCell LF120A1 Lithium Iron Phosphate Battery Pack

The Battery TalentCell Lithium Iron Phosphate is a decent power source. This brand of lithium marine battery is lightweight. It weighs 2.87 pounds.

The Battery can outlive other batteries due it has a more extended long cycle life. This battery has superb attributes, for example, small volume, large capacity, lightweight, etc It will bring a helpful encounter for clients. This battery can convey 12.8 volts of continuous power. Besides its exhibition, stockpiling isn’t an issue for the battery. It can impeccably fit into your battery because of its froth spacers. This lithium battery can even be mounted in any way you need.

Likely, the best component of a Lithium Iron  Battery is that it can work even at high capacity.

What We Liked

  • Long lifespan;
  • Its excellent characteristics;
  • Large capacity.

What We Didn’t Like

  • It’s expensive.

5. Zooms 12V 200Ah LiFePO4 Lithium Marine Battery

Zoom LiFePO4 marine batteries can be reused up to 4000 to 8000 times with quite a while of life. It depends on high energy thickness and UL accreditation for cells with the most significant level of safety. With the upside of 1/3 lightweight, low self-release rate, and multiple times usable energy. This battery can totally supplant the lead-corrosive battery.

This battery is re-energizing by the solar board and charger with DC14.2V-14.6V and an electric generator. This is one of the sorts of lithium batteries that ecologically safeguard the earth.

It is not difficult to work the 12V lithium batteries whenever and anyplace. Impeccably for solar home frameworks and outside applications, for example, home reinforcement power, RV, setting up camp, and boat.

What We Liked

  • Higher voltage;
  • Highest-level safety based on UL certificates;
  • Its excellent characteristics;
  • Large capacity.

What We Didn’t Like

  • Nothing found.

6. LOSSIGY Lifepo4 Deep Cycle Lithium Marine Battery System

This battery has an underlying 100A BMS, which can successfully screen inside conditions. Whenever the battery is at a high temperature, cheat, release, over-current, and short out can safeguard the battery and co-work completely with the battery cells.

LOSSIGY Lifepo4 batteries are coordinated with Grade A cells. Furthermore, UL affirmation with high energy thickness and the most elevated level of well-being is an ideal swap for a lead-corrosive battery.

The dynamic lithium-ion will be extremely dynamic when you work it. Thus, it has high release productivity. Contrasted with half lead-corrosive, it can arrive at over 95%. 

What We Liked

  • Strong waterproof and fireproof performance;
  • Lightweight;
  • It has a higher energy density;
  • The highest level of safety has obtained UL certification;
  • High capacity of 100 AH.

What We Didn’t Like

  • No issue.


Because of the improved productivity, absence of huge savings, maintenance required, and the general security of a lithium marine battery. We can’t prescribe them enough.

They will be an immense arrangement come new Year and anybody that claims a vessel or takes an interest in marine exercises. All the time it will have a lithium marine battery rather than a lead-corrosive one.

There’re for all intents and purposes no drawbacks when contrasted with lead-corrosive batteries so why not make the swap today? You will get quicker charging, better productivity and at last set aside a great deal of cash over a significant stretch of time.

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About This Writer

liam jaxon author pic

Hi, I am responsible for the 'Homeowners Power Solutions' category. My name is Liam Jaxon and a licensed technician with 7 years of experience in vehicle batteries, electrical gadgets, and home appliances. My working experience in different residential & light commercial electrical sectors and the automobile industry helped to acquire vast knowledge in this industry.

Hi, I am responsible for the 'Homeowners Power Solutions' category. My name is Liam Jaxon and a licensed technician with 7 years of experience in vehicle batteries, electrical gadgets, and home appliances. My working experience in different residential & light commercial electrical sectors and the automobile industry helped to acquire vast knowledge in this industry.

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