I bought this boost converter a few months ago to step up from 30V to 80V at 20A. He did that for a long time. It was very efficient and handled small spikes well. This continued for several months before it stopped increasing. An input voltage of 30 V was applied to the output until the converter was loaded, causing the output voltage to drop to near zero. When I used it, it was just awkward and didn't do any harm. At least it took that long. Update: I plugged it back in and it blew all three fuses and lost power. My stash is running out. Now I have to fix that too.
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