Amazon.com: Futurebatt Battery for HP EliteBook 8530p 8530w 8540p 8730p 8540w 8730w 8740w HSTNN-LB60 : Electronics
Amazon.com: AC Doctor INC Laptop Battery for HP EliteBook 8560w 8570w 8760w 8770w Mobile Workstation, 5200mAh/14.8V/6-Cells : Electronics
5200mAh 14.8V Battery for HP 8540W 493976-001 8740W 8540P 8530P 8530W 8730W AV08 | eBay
HP EliteBook 8540W Laptop Battery 5200mAh 14.4V
Hp 8540w Battery - Battery - AliExpress
Amazon.com: GHU VH08 Compatible with Elitebook 8560w Battery - Premium 77Wh VH08 Notebook Battery for HP Elitebook 8560w, 8570w, 8770w - HP VH08 Battery, UL Tested, Lasts More Than 5 Hours, 500+
Amazon.com: NinjaBatt Battery for HP 8540W 493976-001 8740W 8540P AV08 8530P 8530W 8730W HSTNN-LB60 458274-363 458274-421 458274-422 HSTNN-I43C HSTNN-OB60 HSTNN-W46C High Performance [8 Cells/4400mAh/63Wh] : Electronics
HP EliteBook 8540p Battery
Battery for HP EliteBook 8540W laptop battery from Singapore