eReplacements Compatible 9 cell 7800 mAh battery for HP Probook 6450b 6545b 6550b 6555b For Notebook Battery Rechargeable 7800 mAh 11.1 V DC - Office Depot
HP 6550b battery
HP ProBook 6550B 6555B 4400mAh 6 Cell Battery | Laptop Spares | Reviews on Judge.me