Battery for HP Compaq Business Notebook 8510W,replacement HP Compaq Business Notebook 8510W laptop battery from Singapore(4400mAh,8 cells)
lapguard Replacement For HP Business Notebook 8510w 6 Cell Laptop Battery - lapguard : Flipkart.com
Synergy Digital Laptop Battery, Compatible with HP Business Notebook 8510w Laptop, (Li-ion, 14.8V, 4400mAh) Ultra High Capacity, Replacement for HP 360318-001 Battery - Walmart.com
Original Laptop Battery for HP Notebook 8510P 8510W NC8230 NX7400 – eBuy INDIA
How to disassemble HP Compaq 8510p – Inside my laptop