CWK&reg; New Replacement Laptop Notebook Battery for Samsung NP300E4A NP300E4Z NP300E5A NP300E5Z NP300E7A BA43-00282A AA-PB9NC6B NP365E5C NP300E5A-S01CA NP300E5C-A02CA NP300E5C-A06CA NP300E5C-A08CA NP350E5C-A07US NP350E7C-A01US NP300V3A-A01US Samsung 300V5A-A02 300V5A-A02 NP300V5A-A02US NP-RV511-A01C NP300V4A-A01UK NP300V5A-A01UK NP300V4A-A04US Q320 R720 R718 R620 R522H R520 R520H R518H R517 AA-PB9NC6B Samsung R580 R418 R420 R429 R465 R465H R466 R467 R468 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!