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by gizmo686 4699 days ago
Smart phones have gotten pretty good about scaling power usage. When your not actively using them they can hold their charge for a long time (even while they are still listening for incoming calls). The only time you run into short battery life is when you are actually them to do intensive stuff. On the rare case where some background app is eating your battery life, you can even feel your phone get hot and know you should reboot it (or close the offending app).