CWK&reg; New Replacement Laptop Notebook Battery for Samsung N220 N220P NB30 NB30-JA02 NB30P NP-N230 X420 X520 Q330 Q328 NP-X318 NP-X320 NP-X418 NP-X420 NP-X520 NT-N145 NT-N210 AA-PB1VC6B AA-PB1VC6W AA-PL1VC6B AA-PL1VC6B/E AA-PL1VC6W 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!