CWK High Performance Battery for HP G71 349WM HP G71 358NR HP G71 441NR HP G71 442NR HP G71 445US 511872-001, 462889-121, 462889-421, 462890-151, 462890-161, 462890-251, 462890-541, 462890-751, 4 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 10.8 Volt (11.1 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!