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Oracle
Stand by is one thing, so you got a ~20% boost.Paranoid android rom with faux kernel.I dont really remember the stock battery.Should be around 3-4 hrs i think.Battery life on N4 is definitely not bad.The news spread during the initial days of 4.2 when drain during stand by was high.After 4.2.2 update,drain reduced significantly.
The problem with reviews is they are static and once updates come out well, the reviewers have moved on to other devices. Meanwhile the impression sticks, like everything on the web, forever.
When something is called bad its usually relative to something else. So whether a device is good or bad depends on how well it performs out of the factory which is what a lot of people will do. The tweaks etc come after. The baseline starts to shift.