Apparently the persistence on my side pays off, 3rd attempt to calibrate TB47 battery finally did the job ... For now at least ... The frightening message on Go app status page disappeared, battery seems to be at full capacity, cells voltage equalized ... The conclusion: get the Inspire Angel battery managing device ASAP! Any other calibrating method seems to be a PITA ...

Apparently the persistence on my side pays off, 3rd attempt to calibrate TB47 battery finally did the job ... For now at least ... The frightening message on Go app status page disappeared, battery seems to be at full capacity, cells voltage equalized ... The conclusion: get the Inspire Angel battery managing device ASAP! Any other calibrating method seems to be a PITA ...