I really wonder why Apple did not pony up and put a 10w charger in the box.
This puppy takes quite a long time to charge up with that little 5w plug they so graciously included.
I think they're hoping you'll buy an iPad with a 12 watt charger, ha ha
Still, my 6 is charging decently fast. I imaging 6plus will be an issue, it's getting into iPad battery capacity--but, regular charging should alleviate that (my iPad never takes too long to charge because I'm not able to run its battery down too far in a day usually).