12V 100Ah LiFePO4 Battery, Built-in 120A BMS, 15000 Deep Cycles, Group 31, Lightweight Lithium Iron Phosphate Battery for Home Energy, RV, Trolling Motor, Marine, Solar, Off-Grid

received this pack of 2 LiFePO4 12V 300Ah batteries and I am very satisfied with the quality and performance so far. The batteries arrived well packaged and in perfect condition. They are surprisingly lightweight for their capacity and very easy to install. The built-in 200A BMS gives me great peace of mind, protecting against overcharging, over-discharging, and short circuits. I’m using them for my solar system / RV setup, and they provide stable, consistent power with excellent efficiency. The deep cycle capability and long lifespan (up to 15,000 cycles) make these batteries a great long-term investment compared to traditional lead-acid batteries. They hold charge very well and perform exactly as described. Overall, this is a high-quality product with excellent value for the price. I would definitely recommend these batteries for RV, marine, solar, or off-grid applications.

The 12V 100Ah LiFePO4 Battery 2 Pack is an outstanding choice if you’re looking for reliable, high-performance power for your RV, marine setup, solar system, or off-grid needs. Right out of the box, these batteries impressed me with their solid build quality and lightweight design — a major advantage over traditional lead-acid batteries. With a built-in 120A BMS (Battery Management System), I felt confident that the batteries were protected against overcharge, over-discharge, and other common electrical issues. The performance has been consistently reliable, powering everything from trolling motors to solar systems without hiccups. What really sets these apart is the impressive cycle life — up to 15,000+ deep cycles, which means long-term value and peace of mind knowing you’re investing in batteries that last far longer than conventional options. The Group 31 size fits easily into many standard battery trays, and the lightweight nature makes installation much easier — no wrestling heavy batteries into tight spaces. Whether you’re upgrading your RV, boosting your marine power system, or building a home energy setup, this battery pair delivers clean, steady power with excellent durability. Overall, it’s a high-quality, dependable choice for serious power users and outdoor enthusiasts alike.

Update 12/10/25 I received the replacement battery to replace the one that arrived DOA and the replacement is working normally. I now have 4 working batteries to completed my series and parallel banks for my solar inverter. Receiving a bad battery was frustrating while waiting nearly a week for replacement but the seller did the right thing and was responsive in resolving the issue. So I have to give them the credit they deserve and update from 3 stars to 5 for good customer service. All is good now and hopefully these batteries last as long as they claim. Here is my story. I purchased the first 300ah battery in late October 2025 and used it to power my audio system which is running two 5000w amplifiers, stereo receiver. This battery is operating great and after a full days use of the stereo system the battery only dropped 3 volts from 13.4 to 13.1. Being happy with this I ordered 3 more week of Thanksgiving and decided to use all 4 for my 3000 watt inverter and use a previously purchased 200ah battery from another manufacturer for the stereo system. These were on sale due to black Friday event which saved me $85 bucks per battery over original price I paid for the first one. All was good until the batteries arrived. One of the three was DOA. No voltage whatsoever. I contacted the seller which responded within a day and as instructed provided them with a picture of the voltage reading I was getting from the battery. Within another day they responded with a list of instructions on how to wake the battery. With this I become frustrated because frankly who has time to be playing around with something brand new that does not work. I demanded they either take it back and send me a replacement or refund my money. They won't take these things back due to the cost of shipping hazardous materials within the battery. Within another day they responded they would send a replacement. Within another day I received a tracking number but the replacement has not shipped as of yet. As days are passing by I decided to go through the steps they provided and applied 8 volts with a regulated bench top power supply for several hours. Still nothing, battery would not wake and no current was being drawn into the battery. I then tried applying different voltages and still nothing, just dead as dead could be. Because I do not have four batteries to make series and parallel 24v supply to my inverter, I'm currently using one bank of 2 connected in series. The two working batteries seem to be functioning as normal and running at 50% load for two hours voltage drop has been minimal. They also seem to charge back up to capacity quickly. At this point so far I'm happy with 3 of the 4 batteries I ordered, although they have not been in use long so I can't report on longevity. I also have to give credit to the seller for at least being responsive and attempting to rectify the situation although I'm not particularly happy that days and days are passing by and I don't have a working battery as of yet. With that at least know if you do have a bad battery the seller is upfront and responsive about resolving the issue. It would seem to me that the problem with these batteries, from reading other reviews is in the BMS, perhaps some are good and others are faulty. I will report back after I receive the replacement on performance of all four batteries after heavy use. With that I will either upgrade or downgrade product rating.

I bought one of these 300ah batteries for my rv. During my camping trip I found that it would only discharge 90ah before the BMS opened killing all power. Amazon informed me that this unit was not eligible for return and that I needed to contact the seller. The seller was responsive and had me run hours of tests and admitted possible defects but then requested hours of in addition tests before issuing a refund or replacement. Most people wouldn’t be able to run these tests due to the complexity of their requests. I went back and forth for a week doing tests and emails. After calling them out on the fact that their product had problems and they knew it then they ghosted me for 10 days. Having been frustrated I threaten to report them as being a scam due to a the poor quality of their product. Finally they issued me a refund. Maybe my issue was a one time problem but I’m not taking the chance on a replacement.

I highly recommend this battery and seller. I ordered one, tested it on a load of 850w continuously running an inverter directly off the battery and it performed flawlessly. I recharged it and added a battery monitor. Both working well. I decided it was so good and such a great price I would order another one. The seller responded promptly regarding my request for a battery compatible with my batch (it was mentioned on the manual). They also partially refunded me for the first since the price dropped only a few days after I purchased it and bought another. Very respectable seller!! I highly highly recommend! I may buy two more to wire them in series and parallel for a ~15kWh backup storage at 24v. But we’ll see how this second battery in parallel goes first.

So far has worked well and holds the charge well. All my devices run off one 100AH battery with no problem. As I increase my solar setup I will invest in another battery as will need more capacity. Well worth the money if setting up a simple solar system

Ottima

Was as i expected. Very good battery.

Je l'utilise pour un float tube black 4 et j'en suis ravi je recommande pour le moment a voir sur la durée

Gute Batterie