Hella Gutmann Solutions and Varta are to create a low voltage battery diagnostic services in European automotive workshops.

Battery health tells us how much the battery is deteriorating. Low ... the diagnostic menu trick doesn't work, there are ...

If your iPhone is older and can't upgrade to iOS 11.3, then you can't check on battery health in Settings. However, you can ask Apple to run a diagnostic test on your battery for you. You can do ...