14.6V 40A Fast Charging LiFePO4 Battery Charger with 40A Large Output Current, Smart Activation Function Lithium Battery Charger with LED Indicator & Wire Lugs, Wall Mounted Design

I purchased this charger in January 2024 and have been using it to recharge numerous 100Ah LIFEPO4 batteries I have for emergency purposes for about 9 months at the time I've left this review. Other than being a bit on the loud side due to the internal cooling fan, this charger has been flawless in recharging my batteries.The wires connecting to the battery could have been of a larger size since they do get almost on the hot side when in use, but it seems any of these charger tend to be loud from fan noise and heated wires. Due to me being very happy overall with this charger, I just today (9/14/2024) just purchased a second one. I now own 8 various brand LIFEPO4 100Ah batteries, so having a second charger for me is a must.

Fast charging on large lithium batteries. Super easy to work with. Hook cables up to battery lugs, attach charger, plug into ac outlet then switch on. Once batteries charged, turn off and disconnect from batteries and you’re done.

I have been using it without any problems for 6 months

put in another cord and the charger wprks good

I love that they sized the wire for this charger correctly because I have had it get too warm not necessarily hot to the touch on the wires when charging for an hour or more, but never hot to touch like most other lithium battery charges.

Trabaja muy bien y cumple con los 40 amps de carga.La cableria es robusta y confiable para manejar la carga maxina

No doubt, this thing is really good & outputs 40A and has a proper LiFePo4 charging cycle impelemented and my batteries are charged super-super quick and I'm generally happy with the product.But there are also two drawbacks:1) Auto-off feature is working.. but kinda. When the LiFePo4 battery is fully charged, the charger really switches the rele off and the charging is no longer happening.. but that's only for 2-3 minutes, and then the charger goes ON again, starting a new charge cycle, and disconnects after other 2-3 minutes (because apparently battery is still charged 😁). And it's a bummer, because the fan goes on & off every few minutes and a battery might suffer from overcharge, I guess. So I can't really put my battery charging overnight, because I need to listen for the rele and turn the thing off manually.2) while charging, display shows battery voltage, current charge current & charged capacity (in A*h). But when the charging is done - only the voltage is shown, and that is a major inconvenience, because it is really important for me to know what capacity was my battery charged by - was it 20Ah, or 100Ah. I have no way to know except for the approximate elapsed time, or I was lucky enough to pass by a display while charging, to see the last value. I think it might be a bug, but I don't see if it can be fixed