Adaptor Charger Samsung 19V 3.16A DC 5.5*3.0 mm for Samsung NP270 NP275 NP300 NP355Adaptor Charger Samsung 19V 3.16A DC 5.5*3.0 mm for Samsung NP270 NP275 NP300 NP355Adaptor Charger Samsung 19V 3.16A DC 5.5*3.0 mm for Samsung NP270 NP275 NP300 NP355Adaptor Charger Samsung 19V 3.16A DC 5.5*3.0 mm for Samsung NP270 NP275 NP300 NP355Adaptor Charger Samsung 19V 3.16A DC 5.5*3.0 mm for Samsung NP270 NP275 NP300 NP355