I have a not-very-fancy Android smartphone that will easily go over a day between charges, if I let it. I can bump that up to 2.5 days between a full charge if

I have a not-very-fancy Android smartphone that will easily go over a day between charges, if I let it. I can bump that up to 2.5 days between a full charge if I turn off Location and Bluetooth. (Which I usually do since I typically need neither.)