Is there a fix for slow charging issue?

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http://forum.xda-developers.com – Since i updated my device to 4.2.1 charging my nexus 7 really get slow..... It takes 6 hours to 7 hours to fully charge. Im using the cable and charger that it came from the unit. Is there a fix for this one? Thanks. Sent from my Nexus 7 using xda app-developers app (HowTos)