This app modifies a parameter called BCLM (presumably "Battery Charge Level Max") in the SMC which limits the charge of the battery to a set value. It also modifies a parameter called BFCL ("Battery ...
When the Bolt goes back on sale later next year for MY2027, it will have some bold new colors and a new trim level, but it will look substantially the same as before. The new stuff is under the skin, ...