Step back and take a break from it. There is a bit of a learnig curve but you will get it with time and we will help.
The charger you already have will work great for the batteries for the quads.
[USER=2000]@tevek[/USER] and [USER=658]@HighTechPauper[/USER] have posted a charger for the green QX7 battery you have and you will be set for that.
https://buzzfpv.com.au/frsky-taranis-q-x7-fcx07-lipo-nimh-dual-mode-charger
Maybe order that and by the time it comes in you will be ready to have a go at it again, just hang in there....
