I've worked with several different types of 12v and 24v batteries including car and airplane ones and it seems pretty good to function. You can't beat it for the price. There is no other 12/24V auto charger of any current rating that can match this price. The display is the best I've ever seen. It shows status information with indicators, as well as current and voltage. Both are big pluses. From the display you can see a lot about the battery and its condition. The manual mode and the higher voltage it offers is a real benefit once you know how to use it. The fan is very quiet. It's slow enough that you won't notice it's on. The cords are short. I ended up making the side battery cables longer. I would buy this again.
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