A:AnswerHi,
It is one of our priorities to help our customers. We want to make sure that you can use our products comfortably and conveniently. To obtain warranty services for your charger kit, you may contact us at (877) 467-4289 so we can further assist you.
Insignia Support
https://www.bestbuy.com/site/brands/best-buy-brands/pcmcat1596746025285.c?id=pcmcat1596746025285
A:AnswerAs long as the connector cable connecting to Lenovo Thinpad is a USB-C then yes. You would need either a USB-C to USB-C cable or a USB-A to USB-C cable for this to work