Used Lenovo Thinkpad x220, everything works perfectly.  Windows 10 Pro.  Comes with good battery and charger.

Device nameDESKTOP-VMP5JIBProcessorIntel(R) Core(TM) i5-2520M CPU @ 2.50GHz 2.50 GHzInstalled RAM8.00 GB (7.89 GB usable)Device ID851A1FBF-0DA2-44E6-8BC5-14329E516ABDProduct ID00330-80000-00000-AA645System type64-bit operating system, x64-based processorPen and touchTouch support with 2 touch points