Laptop Battery For Hp Business Notebook NX7300 NX7400 NC8200 NC8230 NW8200 NW8240 NX8200 NX8220 NX9420 8510p NC8220 NW8220 NX8230 NW8230 NX8240 NC8240 NC8430 NW8240 8710p 8710W 8710W Mobile Workstation NW9440 NW9440 Mobile Workstation NW8440 NW9440 P/N's: HSTNN-DB06 HSTNN-OB06 HSTNN-DB06 HSTNN-I04C 361909-001 361909-002 381374-001 395794-001 395794-002 395794-261 PB992A