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
Easy Fix Easy Fix Lenovo Laptop Flashing Power Light Will Not Power Up - Disassembly - YouTube
42T4678 42T5265 6 Cell Battery for Lenovo Thinkpad T61 T 61 R61 R 61 R400 T400 - Walmart.com
ThinkPad X201 battery indicator light is blinking in green when it is shut down. Any solution? : r/thinkpad
6 Cell Battery for IBM Lenovo Thinkpad 14.1''R400 T400 T61 R61 42T5229 42T4530 | eBay
Lenovo ThinkPad T400 Original OEM Genuine AC Charger Power Adapter Cord 90W - Walmart.com