Battery for HP Probook 4330S 4331S 4430s 4431S 4435S 4436S 4530s 4535s 4540S USA - Walmart.com
HP ProBook 4530s - disassemble [4K] - YouTube
Synergy Digital Laptop Battery, Compatible with HP ProBook 4535s Laptop, (Li-ion, 11.1V, 4400mAh) Ultra High Capacity, Replacement for HP PR06 Battery - Walmart.com