I picked up this phone last Friday from Walmart for $129.99. Some background: I'm on T-mobile and have been trying a crapton of recent cheap devices to find one that was even half decent, so in the past couple months I've tried the LG Leon, LG G Stylo, HTC Desire 626s, Galaxy Grand Prime, Moto G 3rd Gen, and in the past I have used a Galaxy S3, S4, Galaxy Nexus, and some others. Also tried a Nexus 5x for a week and Nexus 6. Here is what I think of my Zte Zmax 2
I love the size. The Nexus 6 really turned me to 5.5"+ phones and I think this one is pretty much the perfect size, though with smaller bezels it could probably fir 5.7" like the Moto X Pure.
This phone isn't lacking basic features. It doesn't have a gyroscope, barometer, or temp sensor, but it does have an ambient light sensor and magnetometer, those last 2 are something various other budget devices seem to be missing or or both of.
As far as other things go, no root or custom roms make this phone a bit gimped. For instance it doesn't take micro sd cards over 32GB. Since I only have 64GB cards, this is a real bummer, but I have hope a custom rom someday could fix this.
Aside from that, the phone has amazing LTE reception (though how it displays bars make signal look weak, the dbm measurement is as good or better than any of the other devices I tried, and the phone seems to strongly favor picking LTE back up over 2g/3g.
Now, to get to the battery life question? It's unbelievably amazing. I was expecting something similar to the 4hrs Screen on Time the G Stylo got, but this phone is immensely better. I have been seeing 6-8 hours SoT. For instance, right now my screen has been on for 3 hrs 31 mins over the day. The phone has been off the charger for 12 hrs 16 min, and I still have 43% battery left. That extrapolates to 6.14 hrs at 0% if I kept the same usage up until it dies. Of course it might not get that far, but so far I've never really been able to get close to killing this thing. If someone made a 6000mah extended battery for it, I bet it could best any phone out there. As it stands I think it could probably match or give the Xperia Z3 a run for its money in battery life. It's also way better than the Moto G in the battery department.