Compatible with Portatiles as:

HP Pavilion DV2000 Series 
HP Pavilion dv2009TX
HP Pavilion dv2020 Series
HP Pavilion dv2025 Series
HP Pavilion dv2100 Series
HP Pavilion dv2121TX
HP Pavilion dv2200 Series
HP Pavilion dv2203TX
HP Pavilion dv2300 Series
HP Pavilion dv2400 Series
HP Pavilion dv2500 Series
HP Pavilion dv2600 Series
HP Pavilion dv2700 Series

HP Fellowship V3000 Series
HP Compaq Presario V3018TU Series
HP Compaq Presario V3100 Series
HP Compaq Presario V3200 Series
HP Compaq Presario V3223AU
HP Compaq Presario V3300 Series
HP Compaq Presario V3400 Series
HP Compaq Presario V3500 Series
HP Compaq Presario V3600 Series
HP Compaq Presario V3700 Series
HP Compaq Presario V3800 Series