I have the same problem, draining even when i leave the phone just to sit there.
I did hard reset few times but no help.
I have only stock apps and everything is turned off. No wifi no data noa apps in background.
Is there any solution?
From 5% to 100% in 2 hours. Stock LG charger. Phone is 2 months old.
If charging is slow then charger is faulty. Warranty or buy a new one.
I have Galaxy S5 and charging time is the same when i charge LG G3 with it.
So slow charge-faulty charger.
Fast battery drain-Apps or battery issues.
But...
Mine has crack over the lower microphone also. WTF? :/
I had Lumia 930 and i sold it because of screen lift problem on all devices because of overheating, and then i got G3 and now he has problem with cracking. WTF?! Made in Korea. :( I am sick of it, flagship phones are garbage. LG i want a...