Battery for HP ProBook 450 G1,replacement HP ProBook 450 G1 laptop battery from Singapore(4400mAh,6 cells)
HP ProBook 450 G1 Battery 4400mAh 10.8V
Synergy Digital Laptop Battery, Compatible with HP ProBook 450 G1 Laptop, (Li-ion, 10.8V, 4400mAh) Ultra High Capacity, Replacement for HP FP06 Battery - Walmart.com
Battery for HP ProBook 440 450 470 G0 440 455 G1,707617-421,708457-001 FP06 FP09 | eBay