... ur detailed requirement.specifiationfit for laptop models:Center pin diameter: 1.65mmCompaq V2000 Series: V2000, V2001, V2001, V2010, V2030, V2035, V2069, V2150 ... *, 4000 series, 4002, 4150, 4400 series, 4520, 5000 Series, 5040*, 5050*, 5570*, 5570Z*, 5600, 7100 Series, 8100 Series, 9300 Series, 9400 Series, 9410 Series, 9411AWSMi, 9412WSMiCenter pin diameter: 1 ...