The Thrunite cells have had a problem in the past with oil or some other deposits on the cell ends. It was found back when I reviewed a sample of the V6 that a good cleaning of the cell ends with a cloth or paper towel and rubbing alcohol can dramatically improve the performance most times.
Some of the lights were only holding Turbo a few seconds , but after cleaning the cell ends really good , most went to staying in the Turbo mode for the full 3 minutes and the overall output also went up in Turbo…