2 power universal netbook adapter the 2 power 48w universal netbook adapter comes supplied with 8 tips that cover over 95 of all the netbooks on the market it is an extremely neat adapter with snap on tips that automatically sense and select the correct voltage for your laptop this means it is incredibly safe and easy to use without the worry of damaging your laptop the adapter also has over voltage over current and short circuit protection to ensure the unit operates safely and also