380467-005 18.5V 3.5A 65W AC Adapter Power Supply for HP Compaq 371790-001 380467-005 409843-001 ST-C-075-18500350CT Laptop Charger with Power Cable 4.8x1.7mm - Walmart.com
Laptop Power Adapter 19.5v 2.31a Hp | Hp Power Adapter 19.5v 2.31a 45w - Genuine - Aliexpress
Genuine Original HP ProBook 4540s 4340s Laptop Power Supply AC Adapter Charger | eBay
HP ProBook 4540s 4545s Laptop AC Adapter Charger Price in Pakistan – Laptop Spares