How to do a Power-Cycle / Reset of a Dual battery Lenovo Laptop (eg. T440 / T440s) - YouTube
How To Fix Lenovo Battery No Activity and Not Charging Past 53% - YouTube
Lenovo ThinkPad T480 Battery
Lenovo ThinkPad T480 review: It's a solid workhorse - Neowin
New T480, second battery not charging. Is it possible to somehow force the charging process? Battery has just 4.6 volts, and only 1 charge cycle. I dont believe it degraded so quickly