... form 9v to 24v (0.5v inceasing by degress) New notebook ac adapter for hp100w laptop adapter Specifications1) Input Voltage ... 8*1.7mmCompaq,HP M519.0V5.5*2.5mmAcer,Compaq,HP,Fujitsu,Toshiba,Delta M619.0V5.0*3.0mmSamsung ... M719.0V5.5*2.1mmAcer,Compaq,Delta,HP,Fujitsu,Toshiba M819.5V6.5*4. ... 5.4mmIBM,Lenovo option M1218.5V7.4*5.0mmHP,compaq option M1324.0V7.5*2.5mmApple option M1418. ...