Every single high-profile study in recent years that asks consumers what they want to see improved most in future smartphones is topped by the same thing: battery life. It’s no mystery that the batteries in most modern smartphones simply can’t keep up with all of the technology companies are stuffing into these handsets. Quad- and octa-core processors, ridiculously bright 2K displays and all of the other components in newer phones are huge battery hogs, but battery technology simply can’t move quickly enough to compensate for all of these thin new high-end phones.
If you want decent battery life on a smartphone from your carrier, you only have a handful of choices including the Galaxy Note 4 and iPhone 6 Plus. If you want real battery performance though, you’ll need to look elsewhere.
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