Lithium Titanate Oxide testing in low temperature for efficiency, capacity etc

Spreadsheet data:
https://drive.google.com/file/d/1rcyx...

4 wire load tester affiliate link:
https://s.click.aliexpress.com/e/_AL1XdU


One caveat to this tester tho is it says test voltage only goes down to 2V - the older one would happily test down to about 1.5V.