3DS XL didn't come packaged with an AC Adapter or a Charging Cradle but you can buy a larger Cradle for your new handheld when it is released next week.
Yes, Amazon is selling a 3DS XL Charging Cradle and AC Adapter for £19.99 from 24 August. So if you don't already have a 3DS and want to buy a 3DS XL plus the charging cradle and AC Adapter from Amazon, it will cost £189.98. If you don't want the cradle, you can just buy the AC Adapter for £6.99.
Original 3DS consoles come with a Charging Cradle and AC Adapter but Nintendo decided not to include them with 3DS XL in order to keep costs down for the consumer.
If you don't already have Nintendo's new handheld, here are 10 reasons to buy a 3DS XL