asus zenfone max plus not good battery life trust me. even with 4130mAh, my nubia m2 with around 3630mAh still last longer. And yes both is new phone. the problem with max plus is the processor only. while nubia m2 use sd625, max plus use Mediatek MT6750T.

nubia m2 4gb/128gb/good camera phone, snapdragon 625. cost around rm799
the problem is accesories.