Automatic adjustment of the voltage through the adapter tip for fitting different brand laptops, not adjust by hand.

The adapter operation at input AC100V to 240V 50-60Hz, output DC voltages:9.5/10.5/12/19/20v, output power 40w MAX.with overload protection, over voltage protection, short circuit protection.

Specifications:
Voltage     Max Power    DC Size     Fir for Brand
9.5V/L1        40W     5.5*1.7mm   ASUS
10.5V /L2      40W     4.8*1.7mm     SONY
12V/L3         40W     4.8*1.7mm    ASUS
19V /L4       40W     4.8*1.7mm    HP/DELL/COMPAQ
19V/L5       40W     5.5*1.7mm     ACER
19V/L6         40W     5.0*1.0mm    Samsung
20V/L7         40W    5.5*1.7mm     FUJITSU
20V/L8       40W     5.5*2.5mm   IBM/ Liteon