the cheapest way to measure ESR is with a digital storage oscilloscope and a simple R network.
If you have this tool, tell me to look for the setup and post it.
Capacitors are very tricky in high (>40C) temperatures and if you have around heatsinks or other elemets that they are getting hot, please consider moving them away.
Maxim I recall had a nice tutorial oin this subject but cannot find it now. When..., I will...
Ioannis
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