HP ProBook 440 G5 Notebook PC Maintenance and Service Guide
Amazon.com: 65W AC Charger Replacement for HP ProBook 430 435 440 445 450 455 640 650 G5 G6 G7 G8 Laptop Power Adapter Supply Cord : Electronics
Amazon.com: for HP ProBook 440 G0 440 G1 440 G2 Notebook 19.5V 3.33A 65W Power Adapter Charger : Electronics
AC Adapter Charger for HP ProBook 430 G5, 440 G5, 450 G5. By Galaxy Bang USA - Walmart.com
Refurbished: HP Probook 440 G5 14" 1920x1080 Full HD Laptop PC, Intel Core 8th Gen i5-8250U 1.6GHz, 8GB DDR4 RAM, 256GB M.2 SSD, Windows 10 Pro Grade B - Newegg.com