Almost caught fire. I tested the device and fortunately removed the cover. I felt something then turned off the light and saw that the AC input was glowing red. I wanted to melt the plastic part. They are rebranded as Renogy, the same device is sold on Alibaba for $300, just not under the Renogy brand. The BT app is useless. There are only two mounting holes on the top. There is no way to mount the device in the van. There is no ground for the AC cable. Overall just a bad block. I will order one from Alibaba at half price from Growatt.
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