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Best Lithium RV Batteries 2021 (Review)

Looking for the best batteries for your RV? We've got you covered!


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    Choosing the best lithium battery for your RV is very important because it is one of the most important parts of enjoying your vehicle. This is especially true if you like going off the grid for extended periods of time or if you’re planning to live in your home trailer in general. It’s important for you to find a healthy cell that can deliver the power that you need to be able to charge your different appliances and other power-hungry electronics.

    A good type of battery to invest in are lithium batteries, since they’re lightweight yet powerful, which makes them great to bring along your trips and adventures. They’re eco-friendly, too, because they don’t contain battery acid that is harmful to the environment, especially if not properly disposed of. Aside from this, they’re recyclable and have reduced carbon dioxide emissions.

    Lithium Vs. AGM Batteries

    Compared to traditional AGM batteries, the bottomline is that lithium (also known as LiFePO4) batteries are more beneficial to get and install in your RV. Here are the following reasons why:

    Firstly, AGM batteries can only be discharged to a maximum of 50% of their capacity while lithium batteries can be discharged up to 80-90%. This means that to get the most out of your AGM battery and to get enough power for your RV and other accessories that you need to charge, you would need to purchase a lot of cells. This is to compensate for the low discharge rate that it has. On the other hand, since a lithium battery can maximize its capacity pretty well, fewer cells are required for them to achieve your desired power.

    lithium vs lead-acid batteries

    Next, lithium batteries are a lot more space-saving than AGM batteries. This is because AGM batteries contain lead-acid, also known as battery acid, which makes it heavier and bigger, thus taking up more space. On the other hand, as previously mentioned, lithium batteries do not contain any of this acid, which makes it more compact and lightweight.

    One thing to note, though, is that AGM batteries do excel better than lithium in one aspect, which is its ability to withstand extreme temperatures. However, with the technology available today, you can regulate lithium batteries’ temperatures for use in below freezing temperatures, so they’re still a viable option. This is something to consider if you like travelling during the winter or will be staying in your RV in a cold place.

    What to Check Before Buying a Lithium RV Battery

    ExpertPower 12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery features

    Some features that you should take note of before buying a lithium battery is its capacity, number of charge cycles, and battery management system. Most lithium batteries have around 100Ah (Amp hours), which is enough to power all the electronics you need in your RV. You also need to check the number of charge cycles that it has, so you’ll be able to get an idea of the cost-effectiveness of the lithium battery that you have. Most batteries are rated up to 5,000 cycles. Finally, be sure to check the battery management system or the safety features that will protect your battery from any damage.

    Best Lithium RV Batteries

    In this section, we’re going to show you our top picks for the best lithium RV batteries.

    ExpertPower 12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery

    BEST OVERALL

    The ExpertPower 12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery is a heavy duty option, having 2,500 to 7,000 cycles, depending on how you use it. It’s expected lifespan is 10 years, so even if it has a more expensive upfront cost, it’s worth it in the long run. It weighs only 10 kg, very lightweight compared to AGM batteries and even other lithium batteries. Furthermore, it has a great battery management system, which offers numerous protections from overcharging, short circuit, and deep discharge. This means that you don’t have to worry about it while it’s running since you can ensure that it’s protected against any damage that can lead to potentially dangerous situations.

    TalentCell Rechargeable 12V 100Ah Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery Pack

    BEST CONVENIENT

    This TalentCell Rechargeable 12V 100Ah Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery Pack mimics the specifications of an AGM battery, which makes it a great option for people who are looking to buy a lithium battery as an upgrade. This is because it’s convenient to install right where your old battery was. It has a lifespan of 2,000 cycles, which means that it will last a long time and is a good long-term investment. It has some safety features, too, including short-circuit protection, over-discharge protection, and overcharge protection. It also has a cell balance control module, which makes sure that everything is running as it should be.

    JITA 12V 300Ah Lithium Battery LiFePO4 Deep Cycle Battery

    BEST CAPACITY

    The JITA 12V 300Ah Lithium Battery LiFePO4 Deep Cycle Battery is a heavy-duty battery, having 300Ah of capacity which is more than enough to charge all of your power-hungry electronics. If you don’t need much capacity, though, and want to save some money, it’s also available in 100Ah and 200Ah. It’s a great battery, having excellent stats like a 10-year lifetime and a comprehensive built-in battery management system. Aside from that, it’s resistant to heat and shock, and has a protective high temperature cut-off feature that prevents charging over 50˚C to help regulate the battery. It also passed UL Safety Certification, making it have the highest level of safety.

    12V 300Ah Lithium Iron Battery Deep Cycle Lifepo4 Battery

    BEST VERSATILE

    This 12V 300Ah Lithium Iron Battery Deep Cycle Lifepo4 Battery from LOSSIGY is another high capacity option, being able to provide you with 300Ah of power. Aside from this, it’s capable of 2,000 to 5,000 cycles that allows it to last up to 10 years. Because it can provide a high level of power and is more stable, aside from powering up your RV, you can use this in different scenarios, such as running your boat or other marine vessels, acting as a solar and wind energy storage, and being a back-up energy source during power outages. This makes it a versatile option, perfect for those who are looking for something that is surely flexible and will fit all their needs.

    12V 100Ah G31 Lithium Iron Phosphate LiFePO4 Deep Cycle Battery

    BEST LIFESPAN

    If you’re looking for something that will last a really long time, the 12V 100Ah G31 Lithium Iron Phosphate LiFePO4 Deep Cycle Battery by Vision is for you. It has a 15 years designed service life and a 5 years full replacement warranty, which is a great deal. This means that even if it’s on the pricier side compared to other lithium batteries with the same stats – having 100Ah and up to 2,000 cycles – its extra cost is justified. Since it has its own battery management system, this is truly a great long-term option that won’t die on you. This is recommended for those who are always on the go, who want something that is truly long-lasting, and for those who don’t like switching up their batteries a lot.

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