Teardown of Lenovo ThinkPad Stack Power Bank (Modular Design) - Chargerlab
I have purchased the thinkpad stack, it's really convenient and cool : r/ thinkpad
Lenovo ThinkPad Stack Review - Portable Router, HDD, Battery and Speaker - PC Perspective
ThinkPad Stack 10,000mAh Power Bank 1Year Warranty
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;