Maybe I'm not being fair, but IMO Renogy is a good source for panels only. And even then only if you are sticking to (other) PWM controllers.
Buying a "kit" really isn't good value, nor necessary when you can so easily learn the basics and get good advice on forums and the web.
Buying a "kit" really isn't good value, nor necessary when you can so easily learn the basics and get good advice on forums and the web.