Lenovo Go Wireless Mobile Power Bank (10000mAh) - Overview and Service Parts - Lenovo Support US
Lenovo 14000mAh USB Type-C Laptop Power Bank 40AL140CWW 48Wh Simultaneous charge 889233639566 | eBay
Lenovo ThinkPad Stack Power Bank - Power bank - 10000 mAh - 4 output connectors (USB) - on cable: Micro-USB - for Tablet 10; ThinkPad A275; A475; L470; L480; P51; P52; P71;
Lenovo nightmare : r/thinkpad
Teardown of Lenovo ThinkPad Stack Power Bank (Modular Design) - YouTube