Received my new phone earlier this week. Previously used an SGS4. I have to say the battery life on the G4 is so much better than I expected!! As I type it is currently at 78%. The S4 would be on charge by now as it would dropped to about 20% with barely much use! So far the phone doesn't seem to use much battery for apps. I use Google Play Music via mobile network when I am out and about and it hardly impedes the battery. Whereas the S4 would lose a good 10-15% charge in the space of 20mins!
Going to get a case for it soon. I went for
this (not yet released). And it does look really good.
I love the fact that when I got the phone and set it up, it gave me the option to transfer all my apps and settings from the S4 to the G4 via NFC. Definitely saves a lot of time doing it that way!
Already put a tempered glass on it and it has a 64GB SD card inside it. I am going to put some movies on the phone to watch OTG. Then we will see how well the battery does!
Definitely pleased with it, I'm sure it will do me well for the next two years!