Size: Rounded head, 7.4 × 5.0 mm
16 in stock
https://www.cpumedics.com/hp-239704-001-65w-18-5v-3-5a-1-7mm-tip-ac-adapter-charger/
Size: Rounded head, 4.8 × 1.7 mm
2 in stock
https://www.newegg.com/p/2VH-0012-00656
Size: Rounded head, 4.0 × 1.5 mm
2 in stock
Size: Rounded head, 7.9 × 5.5 mm
8 in stock
https://www.amazon.com/5-52-5mm-PA-1400-12-36001653-Adapter-IdeaPad/dp/B08J7WFBHJ
Size: Rounded head, 5.5 × 2.5 mm