The following part numbers are compatible with the 20LN computer:
Internal, 3c, 42Wh, LiIon, SMP
5B10W13886
5B10W13885
01AV486
01AV487
Several purchase options below:
Lenovo Replacement Parts $75.95 - https://lenovo.encompass.com/item/12566742/Lenovo/5B10W13886/
Amazon $116.91 + S&H - https://www.amazon.com/Genuine-Battery-Lenovo-Yoga-5B10W13886/dp/B081QVTLZ3
Notebookparts.com $99.95 - http://notebookparts.com/new-genuine-lenovo-yoga-11e-5th-gen-11-4v-42wh-battery-01av487/
Newegg.com $113.18 - https://www.neweggbusiness.com/product/product.aspx?item=9siv2jxabm1536&bri=9b-0x6-04kt-0y620
ebay $54.05 - https://www.ebay.com/itm/374096805036?epid=21038356242&hash=item5719e83cac:g:YQQAAOSweYdijyGk&amdata=enc%3AAQAHAAAAoEv%2F2ekL8c0PqRCDaa09aOY%2BRJmVimZLvGLNkJbq5wOM4RkpYcwn3AYD7cUgyKeRo3nUALd8LzPEDXoVJ6Lw5s1vbR5a%2F5pEv71yd%2F%2FXNUwiqQAZ4NZpUIM7z9PKeeFeyibl4VF078r0jXYcwiyrAJo8Rx1LNiatoFD58tUo6ZtVAN3z0SdnO4EdHZgBsUhfZsx3WT1f0kZOIoE0gHNZo%2Fg%3D%7Ctkp%3ABk9SR6rMsOz1YA
Updated 8/22/22