ECO-WORTHY 12V 20Ah LiFePO4 Lithium Iron Phosphate Rechargeable Battery

HongNing: I feel product is good, it seems to work, but I am afraid that if there's a problem, 5 year warranty will not be honored as ecoworthy will not respond to email. Anyway I tried several times to write an email about their battery. In my case I am asking for the voltage battery capacity chart to test capacity. Unfortunately no one from ecoworthy answered my question. Thru other websites and videos I found out that it will be more accurate to load test the battery. So for a 20AH I did a 0.2c (4A) load test at room temperature. It came out about 19.5 AH before it shut off. Just as an added info I was able to charge the battery using Noco Gen 1 and it charged it to full. So its working as declared, however no way for me to test the BMS support aren't willing to answer questions about the BMS. So because of no support I rate this as a 3. In summaty its an affordable LifEPO4 that seems to have the capacity rated, its well built and it works., but take note that there is no support at all so warrantty is not assured. If you can afford go for better branded brand.

United States on Nov 18, 2021

Mike House: These are great batteries. I bought 4 to replace 4 22 AH batteries for my fast scooter with a lithium charger. Now, the 20AH lithium do not go as far as the 22 AH lead acid, Amp hours are amp hours, so consider replacing your fast scooter batteries with the 30 AH model. (same size) However, as a licensed mechanic specializing in electricity with 40 years experience, in the long run, these will save your fortune. REMEMBER that the top is removable on these batteries, as the most common failure is solder joints inside the battery at the printed circuit, easily seen by removing the 4 screws that hold the top to the rest of the battery. (new printed circuits are also available at about $20, so its' almost impossible to get a bad one that can't be repaired with a little bit of intelligence and basic electrical and sledding experience. Also, they are incredibly light, so there is savings there compared to lead acid. (a 20AH battery is about 2/5 foam filler inside) Remember to always charge with a lithium charger, and if using them in series (works just fine) I suggest also purchasing a 12V lithium charger, and disconnecting and charging each separately about every 20 cycles, or 2 weeks.

United States on Jul 24, 2021

Seth MuellerSeth Mueller: Two of these wired in series for a solar bank functioned perfectly and got us through the 2021 Texas snowmageddon, so i cant say i wont be buying more. Cause we're at 4 historic events in the last 18 months and i just cant wait for the NEXT ONE TO REAR ITS UGLY HEAD.

The two 20AH batteries in series and a 1500watt inverter (410watt inverter supplementing) with 385 watts worth of solar panel charging them managed to flawlessly run a mini fridge, mini microwave, LED floodlight, trickle charge 3 motorcycles, and charge 2 laptops and several phones simultaneously for about 4 days day and night during the worst of it. Traded a few of those for a 1500 watt heater here and there when needed with no issues either. No swelling, gassing , overheating, or any discernable charge/discharge/voltage regulation issues have reared their heads yet so they seem solid as a rock.

No clue where they're made or by who, but hopefully they keep up the good work long term. Will definitely be buying more if the prices stop climbing like they seem to be.

United States on Feb 21, 2021

Gary A Luke (Slacker G guitar skills): I bought two of these batteries for an emergency lighting project, however FedEx damaged one in shipping. I showed the seller the damage in shipping and Theo , the seller, offered to help in any way he could. I explained the problem to him and he immediately sent another battery to me, and told me to contact him if I ever needed assistance in the future.
I really like the battery as it is light and compact and the built in over/under charging protection system is a real + that insures the long life of the product. Not only did Theo send a new battery to me, he even instructed me as to how I might be able to repair the battery that was damaged in shipping. (I'm an electronic tech) I did what he told me to and now that battery appears to be OK. It is a great product with service next to none. It is nice to see a seller who stands behind his product. I have dealt with some on line sellers that were a real pain. If you think you need one, buy it and you won't regret it. By the way, they come fully charged and ready to go. I'm going to use a step down buck converter to drop the 26 volts of two of these in series down to 19.5v so I can run a laptop during power outages.

United States on Jan 29, 2021

Amazon Customer: I bought a walk-behind golf caddy because I like to walk when I golf. My golf caddy originally came with a lead-acid battery that weighed in at 25 pounds. This is more than the cart weighs. I bought the 12v 20 ah lithium iron phosphate battery which weighs less than 5 pounds and cost $92. I also bought a charger for Lithium ion cells. altogether I invested about $115 compared to my golf caddy's manufacturing price of $449! The battery arrived in a few days and I charged it in less than an hour. Before venturing onto the golf course I placed my bag on the cart and walked a total of almost 5 miles up and down hills on 3 separate walks. The battery still showed a full charge. It may be that this type of battery always shows a full charge until it suddenly crashes. I am only guessing. Today I walked 18 holes and the battery never faltered. I have had the battery for about two weeks and can only attest to it working perfectly so far. it sure beats carrying that lead-acid battery around.

United States on Dec 12, 2020