It means that the power supply is built into the charger.
Originally Posted by tiggertoo1962
Hmmmm, wonder what the "AC" stands for then. I would just have assumed you couldn't use it with DC
Thanks for the info. Just ordered myself an original IMAX B6, so hopefully I'll be as happy with it as you are with yours. Good to know they deliver what they promise
Happy flying, hope the weather over your way is a bit less wet than ours.