Best Lithium Batteries (2022): Reviews & Comparison

Lithium batteries are a type of rechargeable battery that uses lithium ions to store electricity. They have a higher energy density than most other types of rechargeable batteries, which means they can store more energy per unit volume or weight. This makes them ideal for portable devices, such as laptops and cell phones, since they can provide a longer run time on a single charge.

Lithium batteries are also excellent for RVs and other vehicles. They are much lighter than lead-acid batteries, so they don't require as much space. They also charge faster and last longer, so you'll save time and money in the long run. Plus, they're just way cooler than lead-acid batteries. To give you an idea of how popular lithium batteries are, just take a look at the number of different types and brands available on the market. You're sure to find one that fits your needs.

Our Pick
Battle Born LiFePO4 Deep Cycle Battery

Battle Born LiFePO4 Deep Cycle Battery is the ultimate battery for your off grid power system. This powerful, reliable deep cycle battery is made with high quality materials and provides 1.2kWh of storage capacity (1.2kW output) with 3500 cycles/10 years life expectancy making it perfect for residential and commercial applications including solar energy systems, wind turbines, backup power supplies and more!

The Battle Born LiFePO4 Deep Cycle Battery has been designed to provide superior performance in all weather conditions while still being environmentally friendly.

We earn a commission if you make a purchase, at no additional cost to you.

Our Pick - Battle Born LiFePO4 Deep Cycle Battery

This battery is designed for marine and RV applications. The built-in BMS protects your battery from the most common causes of battery failure, such as temperature volatility or ground faults. The BMS regulates the amount of power taken out of the battery and acts as a shut-off system to protect the li-ion cells (and you) from unsafe operating conditions.

Runner-Up - Dakota Lithium Battery, 12V 54Ah LiFePO4 

Dakota Lithium 12V 54Ah LiFePO4 is also the best in class 12V battery. These batteries are the smart choice for long-lasting power. Its LiFePO4 batteries deliver 2,000+ cycles in recommended conditions, compared to 500 cycles for typical lead-acid batteries. With a built-in Battery Management System (BMS) that controls cell balancing, low and high-voltage cutoff, short-circuiting, as well as high-temperature protection, Dakota Lithium batteries provide unparalleled safety and reliability.

Dakota Lithium 12V LiFePO4 Battery

This Dakota lithium battery 12v is a high-quality product that features top-of-the-line components (BMS and battery cells), great capacity and power, and is robust and lightweight. With its 11-year warranty, you can be confident in its performance.

This battery may be expensive but its performance is worth the price tag. It's one of the best deep cycle batteries for trolling motors on the market today.

We earn a commission if you make a purchase, at no additional cost to you.

Budget Pick - ECO-WORTHY Lithium Battery, 12V 50Ah LiFePO4

This 12V 50Ah LiFePO4 Lithium Battery by ECO-WORTHY is a high-quality, long-lasting battery that is perfect for use in a wide range of applications. With a 10 year lifetime and more than 3000 recharge cycles, this battery can be used over and over again. The built-in BMS (Battery Management System) protects the cells from damage and keeps the battery balanced. Weighing only 12.7 pounds, this lightweight lithium battery is easy to transport and install.

The ECO-Worthy 12V, 50Ah (600Wh) battery is a perfect choice for solar energy storage, RV, boats, electric vehicles, and other applications where high power and long life are required. It is also UL 1642 certified for use in air transport.

Budget Pick
ECO-WORTHY LiFePO4 Lithium Battery

ECO-Worthy lithium iron phosphate battery (LiFePO4) can be recharged more than 3000 times in a deep cycle to achieve a longer cycle life. More than 8 times higher than lead-acid batteries (generally only 300-400 cycles can be charged).

ECO-Worthy LiFePO4 battery pack is designed for applications like: electric bicycles, electric scooters, solar system backup power, portable power supply and other renewable energy storage systems.

We earn a commission if you make a purchase, at no additional cost to you.

Also Great - Ampere Time Deep Cycle Battery, LiFePO4 

Automotive Grade Lithium Battery Ampere Time lithium batteries have exceptional quality since they are manufactured by Automotive Grade LiFePO4 Cells with higher energy density, more stable performance & greater power. Highest-level safety based on UL Testing Certificate for the cell inside the battery. With no acid in the battery, you're able to safely mount in any position. This makes Li-ion batteries perfect for solar homes, RVs, campers, golf carts, motor homes, off-grid applications.

Also Great
Ampere Time 12V 100Ah Battery Ampere Time 12V 100Ah Battery

The Ampere 12V 100Ah LiFePO4 deep cycle battery is designed for long-term, continuous use. It offers a 10-year lifetime and 4000+ cycles (10 times longer) than traditional lead-acid batteries. This deep cycle battery is perfect for replacing most of the backup power and off-grid applications, wind turbines, UPS, emergency lighting etc. The built-in Battery Management System (BMS) can prevent overcharging, over-discharging, and short circuit to keep the battery working safely and efficiently.

We earn a commission if you make a purchase, at no additional cost to you.

Are lithium batteries good for RVs?

There is no definitive answer to this question, as lithium batteries have both pros and cons when it comes to using them in RVs. On the one hand, they offer a longer lifespan than other battery types and can provide more power, making them ideal for larger RVs. However, they can also be more expensive. Ultimately, it is up to each individual RV owner to decide if lithium batteries are the best option for them.

If you are considering using lithium batteries in your RV, be sure to do your research first and weigh the pros and cons carefully. You may also want to consult with an experienced RV technician before making a final decision.

What brand of lithium battery lasts the longest?

Battery life can depend on a number of factors, such as the type of device being powered, how often it's used, how deeply it's discharged, and how well it's taken care of. However, most lithium batteries tend to last between 2 and 5 years.


The best lithium batteries are those that provide the most power and durability. They are ideal for high-power applications such as electric vehicles and home energy storage systems.

When looking for the best lithium battery, it is important to consider the type of application you will be using it for. For example, if you need a battery for an electric vehicle, you will need to find one that has a high power rating.

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.