14.6V 20A Charger 12V 20A LiFepo4 Smart Charger DC Output Connector Alligator Clip Used for 4S 12V LiFepo4 Battery Pack with Cooling Fan

Have only used it a few times, but it seems to be doing what it should be. Green light turns on when the battery is charged. I am using it to charge a Lion brand UT700 battery bought from Costco. This is a 56Ah capacity battery.

don't know why they even put the fuse in this charger. It must be to meet some requirement but no one ever checked to see if it actually did anything. You can remove the fuse and it makes no difference. I did not take it apart because it would void the warranty but I'd bet it's not even wired in. Otherwise, the charger does what it's supposed to do.

Worked perfectly for my LiFeMnPO4 Prismatic Battery: 12.8V 40Ah (512Wh, 10C Rate) from BatterySpace.com

Update: Now only getting 5a charging after not using for 1.5 years. I've only needed it maybe 3 times in 3 years and now it's charging super slooooowGetting between 10a and 20a according to my battery monitor. The fuse does work as the unit shuts off when I remove it unlike the other review. Using it on a 206ah SOK Lifepo4

It stopped working the 3rd time I used it. It says the battery is charged all the time and no voltage/current out. Waste of money.

Works great as a quick charger. I only use this one on my larger LiFePO4 batteries.

This is a very well-made heavy duty battery charger it has a fan inside to keep it cool and everything on it works great I would’ve gave it five stars if it would’ve had some kind of meter on it that’s the only downfall but it’s well worth your money and I think it will last a long time

Second unit after first one failed. This unit never charges above 14 amps, no matter how or where I measure it. Also, can't contact seller as support time window is closed. Won't make this mistake again.