Battery charger for Phaeton

Hello everyone, I am a total newcomer to the Phaeton and have many questions that always appear gradually. I already got a lot of tips here in the forum to thank ALL!!! Since I (unfortunately) mostly drive short distance (6km to work) I had bought a V6 TDI with heater. As I learned here in the forum, this is a bad thing for the battery (on-board battery). That means it has to be charged just in the winter (in the short traffic). I found only entries in the forum that are significantly older and the new storage devices are not listed. – My favorite is this here: CTEK MXS 5.0 Battery Charger – Does anyone have the device? – The Phaeton has any special batteries? (so no simple lead batteries?) – What to consider when charging? May I connect “+” and “-” to the poles or how according to the instructions “-” to the bodies? – Many write that the device can be installed firmly? May ma n it at the Phaeton too? (of course would be practical) Thank you in advance for further helping contributions Greeting Andreas