HP ProBook 4540s original ac-adapter 65 Watt - sparepartworld.com
Ac Adapter for Hp Probook 4540s B5p37ut#aba C6z36ut#aba - Walmart.com
HP ProBook 4540s Charger
Adapter Hp Probook 6560b | Hp Probook 6570b Charger | Charger Hp Probook 6460b - 19v - Aliexpress
New Laptop AC Adapter for HP ProBook 4540s, 412786-001, 463554-003, 609948-001, HP-AP091F13P SELF, PPP014L-SA | Best Buy Canada
hp Probook 4540s charger
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
90W AC Power Adapter Charger for HP Probook 4440s 4540S 4545s 6470b 6475b 6570b | eBay
90W HP ProBook 4535s 4540s AC Power Adapter Charger Cord - Adapter&Charger Replacement