[Q] P6 Questions of roms and battery. topic

Hello I'll buy the p6 and I was looking and not found a ROM for p6 with lollipop (at XDA).
Do you know anything about a project or a rom and made of 5.0? Sorry if I search bad.

I read users with bad reviews for battery in p6... what is your opinion?

-I use my phones in 2g every day (but i navigate i change mannualy to 3g).
-Wifi 12hs Aprox
-Low use to Calls and messages
-Games occasionally
-Facebook/Whatsapp and other social networks only i have a notifications.
-i use low brightness (25/40% aprox in most screens)

Sorry for my bad english haha and thanks for read my questions. :)