T480 charging issue. Red light is showing but laptop is not charging. Sometimes it gets opened and gives error message- "The connected AC adapter has a lower wattage than the recommended model
Battery-stuck-at-whilst-charging - English Community - LENOVO COMMUNITY
T460s-switch-from-Battery-2-to-Battery-1-causes-immediate-power - English Community - LENOVO COMMUNITY
Battery Not Charging on Lenovo Thinkpad: How to Fix