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https://pv-magazine-usa.com/2022/12/15/california-pulls-the-plug-on-rooftop-solar/ Looks like California wants to encourage home owners to install a lot of batteries since they don't want to pay for any excess power home owners produce.

Is it possible to non-destructively test the low temperature charging shutoff of a commercial LiFePo4 battery? I bought a cheap battery to play around with that claims to have a 32f charging cutoff, but no one seems to have done a tear down of one. I have a lab power supply. Can I test with a...

Hi, first post here and hopefully not a tiresome question... I have the opportunity to get a couple of free used solar panels off of an old RV. Supposedly they are about 10 years old and 250 watts each. They have some 10ish gauge wire and MC4 connectors but nothing else. I'd like to install...