Ok, the last acronym in the title isn't associated with energy storage, but I felt like I needed a third one. I never miss an opportunity for a teachable moment, and I had one after my Bluetooth Bose speaker stopped playing my 80s playlist. The culprit: my phone died.
This short video covers battery state of health, how it differs from state of charge, and my latest project that isn't BBQ related. GASP!
If you want a more in-depth read, then I suggest my book. Click on the link to see what it's all about: The Battery Powered Home: Foolproof Grid Tied Storage.