No, they do not.
Charge up your Nintendo
You will have to charge it with the Nintendo DS charger.
You can charge the Nintendo 3DS anywhere, as long as there is a power supply such as a wall outlet or batter pack.
the point of a charger is to charge the product
You can charge it whilst it's on or off.
Yes there are available stands that will charge your Nintendo Ds unit as you play such as the Charge Boy Ds.
personally i would prefer a Nintendo ds lite as it takes less time to charge, its easier to hold and once you charge it lasts for a lot longer then a psp. i also prefer the Nintendo ds games
yes
charge it................................................................................................................. but don't try it
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No it is free, but you can no longer make an account