The power brick on all the laptops in the office (some dozen) all note 100 to 240 VAC and 50/60 Hz so if yours is like ours you only need a simple plug adapter.
You can get laptops from anywhere but the recurring issues are international warranty and shipping costs are rarely covered on international warranty work. Any savings seem to vanish so why not shop in your country?
The problem is AC Adapter. Its power plug won't fit into wall socket in Israel. Further more United States have 120V and 60HZ and Israel has 240V and HZ. What can be done to make it work?