Our laptop charger provides a quick charge and comes with a removable EU pin adapter so that you can plug in to charge immediately or change to a different adapter when you are travelling. - This power adapter recharges the lithium polymer battery while the system is off, on, or in sleep mode. Ac Adapter Model : Lenovo Big Pin Input : 100 - 240V Output : 20V 4.5Amp Pin Size :8.0mm Watts : 90