Comparing old vs. new 230W and 65W ThinkPad AC adapters : r/thinkpad
Original 20V 11.5A 230W AC Adapter Charger For Lenovo ThinkPad P70 P71 P72 P73 | eBay
Lenovo THINKPAD P50 20V 11.5A 230W Replacement AC Adapter
Amazon.com: New Slim Design For Lenovo 20V 11.5A 230W Slim Tip AC Adapter for IdeaPad Y900 Y910 G510, Compatible P/N: ADL230SCC3A, SA10R16890, 02DL144. : Electronics