... tip connecter to suit to almost Laptops,· select output voltage to suit Laptop and Please make sure the polarity of ... models, including IBM, SONY, DELL, HP, APPLE, NEC, TOSHIBA, COMPAQ, FUJITSU, SAMSUNG, LITEON, DELTA, ACER, LS, SHARP, and so on.· Optional input ... ,SHARP,KYOCERA,EPSON,RICOH,PENTAX and so on.Laptop batteies pack:SONY,DELL,IBM,HP/COMPAQ,TOSHIBA,ACER,ASUS,SAMSUNG,APPLE,FUJITSU, ...