charging my nexus 7 overseas

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http://androidforums.com – i've had my nexus 7 32gb about 2 weeks. i bought it in the US while on vacation because it wasn't available where i live here in the netherlands yet. our electricity is different here. is all i need the following usb plug? ICIDU USB AC Adapter 1 port - Adapters - Supplies - dixons do i need a converter for it as well? also can i charge through my laptop if i don't have the usb plug yet? (General)