20-Amp Smart Battery Charger,Lithium,LiFePO4,Lead-Acid(AGM/Gel/SLA..) Car Battery Charger,Trickle Charger, Maintainer/deep Cycle Charger,12V/20A and 24V/10A,for Boat,Motorcycle,Lawn Mower,Golf cart..

I’m thoroughly impressed with this 20-Amp Smart Battery Charger! It’s everything I needed and more. From charging and maintaining my car battery to keeping my boat and lawn mower batteries in top shape, this unit handles it all with ease. I really appreciate the versatility—it works perfectly with 12V and 24V systems and supports multiple battery types, including Lithium, LiFePO4, AGM, Gel, and SLA.What really stands out is the smart charging capability. It automatically detects battery condition and adjusts the charging cycle accordingly, so I don’t have to worry about overcharging or damage. The display is clear and easy to read, showing voltage, current, and charging progress. Plus, the trickle charge and maintainer features are perfect for keeping my deep-cycle batteries ready during the off-season.It’s compact, rugged, and simple to use—even for someone who’s not super technical. I highly recommend this charger for anyone looking for a high-performance, dependable battery charger and maintainer. Worth every penny!

Quality battery charger, easy to use, with indicator lights that provide battery charge status while charging & when finished. FAST charging as I am using it primarily for my Lithium ion LifPO4 trolling motor battery & also my lead acid Minn Kota trolling motor battery. Would definitely recommend.

I have multiple kinds of batteries from lead acid to lithium, this charger does a great job! The repair mode on it actually brought one battery back to life. Which in my eyes is worth the price of the charger alone! Would highly recommend this charger!

We used this product to charge our home battery banks to top them off regularly to balance them. Our batteries are 12v lifepo batteries and this product works well. We typically charge the batteries using this charger until it stops charging at 100%. We like the higher charge currents of 10amp as compared to to some other with lower amperage for faster charging. It has short protection so even you short it with power on, it is still ok.

Works well for charging 12 and 24 volt LiFePO4 batteries. Only took off one star because if you have a LiFePO4 battery with onboard BMS that cuts power, this will not "wake up" the battery from the protected state. At least it did not for my SOK 12V 100AH LiFePO4 batteries. To do that, I had to apply power from a bench top power supply to "wake" the battery up and then, once it was awake, this charger works well.Specifically, I have my charger on a smart plug that turns on the battery charger to charge the batteries during solar power excess (along with a relay that turns of the DC load). This charger, when connected to a battery will start charging when my smart plug turns on without the need of human intervention to press a button, etc. It remembers what the settings were and just resumes operation when power is resumed via the smart plug.Would definitely buy again.

The battery charger work great to replace our on board hand jack charges when they went bad. Saved us a ton of money.

Work very well, charges quickly and efficiently. Works well for my 200AH LiFePO4 battery and charges it up quickly. Would recommend

Overall, it's a good charger for the price. I've knocked off 1 star because it doesn't have an on/off switch, and so attaching the cables, which the manual says to do last, causes quite a bit of sparking.Also, there is no way to read the amp-hours value once the charge is full, so you'd have to stay at the charger and keep an eye on it to use that value. The voltage and amps were correct when I measured their values.However, I am skeptical of the temperature value, since it was saying 98f when I measured (with a vevor thermal imaging camera) the battery I was charging read at most 83f and the charger read the same.These last 2 items knocked off one more star.On the good side, the price is great, it's compact, does auto 12/24v detection, and has several battery types it can charge.I checked the repair, and using a scope, I found that all it does is pulse every 1 ms. for a brief, perhaps .1ms up/down between say, 9 and 15v (for a 12v battery). I never saw it change from that after a few hours, so I didn't see the stages it talks about. But it did seem to help with a 12v lead acid battery of the type found in my cyberpower ups.I also charged up some lifep04 12v batteries, and that worked pretty well.Incidentally, I tried using a lifep04 12v battery in a cyberpower as a lead acid replacement, and it kinda works, but typically can't handle more than 10amps, so no more than about 120 watts when the ups kicks into the battery. The cyberpower was rated for 850 va, or realistically 350 watts. I also found the cyberpower units charge at only about .5 amps which is why it can take 8 hours to recover from a few minutes of battery use.The above experimenting was greatly aided by the use of this charger, which is why I mentioned this.The pictures, videos, and description says it should come with some o-ring adapters. Mine did not and Amazon said I'd have to return the unit and order another one. The clamps are kinda cheesy too, and would slip off the f2 spade connectors all the time. I didn't try it on my car battery, but I suspect it might not open far enough to easily use them there.