Yes, you should have around 4.5v on a fully charged battery.
I suspect the internal wiring though, as it's very unlikely for a new Nokia battery to be faulty. Pop it open and see if there are any loose wires.
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For my dreams i hold my life...
I miss my Meizu M6SL... Currently rocking a Sony Ericsson w595 on Samsung in-ear phones. Does fine, but it's not a chipod... 
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