Amazon.com: Replacement CMOS RTC Battery for HP ELITEBOOK 8540P 8540W 8440P 8440w GC02000V200 GC02000VS00 by PCRepair : Electronics
Amazon.com: HP Elitebook 8440p Laptop-Core i5 2.4 GHz-8 GB DDR3-1 TB HDD-DVD/RW-Win 7 Pro 64 Bit : Electronics
HP EliteBook 8440p Intel Core i5 520M 2.4GHz 2GB 250GB DVDRW 14" LED WebCam W7 Pro WH256UT#ABA - HOT ITEM THIS MONTH!!! : Electronics - Amazon.com
Amazon.com: SUNMALL Keyboard Replacement with Big Pointer Compatible with HP EliteBook 8440p 8440w Series Black US Laptop (6 Months Warranty) : Electronics