I recently bought a note 3 and I wanted to ask is it okay if I put it into overnight charge even if the battery is 60-70% ?
Does putting it on a charger over long period of times affect the battery life?
Imho even if you would charge overnight you wont notice any difference untill your phone is EOL. Even if you would treat your liion battery like a princess it would still die in ~5 years (please correct me if im wrong).
Even though this is only my personal experience and your mileage may differ, but im currently using a HTC HD2 which is still going strong on its first battery. I plug it in almost every night before i go to bed.
Edit: and I must add that really your phone is designed to be used like this. If you only have 70% left and you really need that extra juice the next (few) day(s) because you wont have a charger with you, just plug it in as you go to bed.
If you really go out of your way to rape your battery every day, just buy a new one when its EOL, if you haven't gotten a new device already.
Sent from my Nexus 7 using xda app-developers app