Please make sure that the polarity of DC connector plug connect correct, select output voltage to suit to laptop before use.

Multi-function DC Plugs for AC Power Adapter Tablet

Including:
Lenovo square Tip - Yellow
4.5*3.0 mm - Blue
7.9*5.5 mm - Yellow
7.4*5.0 mm - Black
4-hole Toshiba Tip - Black
3-hole Dell Tip - Black
6.3*3.0mm DC - Green
5.5*2.5mm Tuning Fork - Black
5.5*2.1mm Tuning Fork - Black
5.5*1.9mm DC - Black
5.5*1.5mm DC - Black
5.0*2.5mm DC - Black
5.0*2.1mm DC - Black
4.0*1.35 Tuning Fork
6.0*1.4mm Core pin - Black
6.3*3.0mm Tuning Fork - Green
5.5*2.5mm DC - White
5.5*2.1mm DC - Blue
5.5*1.7mm Tuning Fork - Yellow
5.0*1.1mm Core Pin - Yellow
4.8*1.7mm Tuning Fork - Yellow
4.0*1.7mm Tuning Fork - Yellow
3.5*1.35mm DC - Red
3.0*1.1mm DC – Black
5.5*2.5mm Tuning Fork - Yellow
5.5*2.5mm DC - Black
5.5*1.5mm DC - Black
5.5*1.7mm Tuning Fork - Yellow
4.8*1.7mm J-CAM - Black
3.5mm Mono
2.5mm Mono
2.5*0.7mm Tuning Fork - Yellow
2.35*0.8mm Tuning Fork - Yellow
2.0*0.5mm Tuning Fork – Black

Package Include:
1 x AC/DC Adaptor Body
1 x 34 Connector tips
1 x US Plug Power cord (only)