Yeah man, also if you get juice or the prefilled carts, since she smokes ultra lights i would reccomend a med carts, b/c you dont want the throat hit to harsh as she may not like it. Also she may be able to ease into vaping, I mean even if she cuts back alot at first that is a good thing right! Lastly, If I were you I would just search about the 510.
I believe there is a thread called all you need to know about your 510 with a bunch of usefull info. GL man
Ps. The pcc is a on the go charging case and vital, well worth 10 bucks. However you may want to wait to throw a bunch of money, unless of course it dont matter, at something she might not enjoy. If you do decide to buy the pcc, a usb passthrough is very helpful as well. It just plugs into a usb and you can use it as much as you want w/o battery draining. Manual batteries have a button you push to activate it which to me is the best way to go, b/c juice can leak into auto batteries but not manual as they are sealed. If you want you can pm me.