Yeah that words with friends is always showing up in the notification window.
It shouldn't take very long at all to fully charge your battery if you are using a 2A Battery Charger (The one that it came with) Also want to make sure you have a proper cable that allows for that much power to go through. Not all USB Data/Sync cords charge at the fast pace with the 2A charger.
Samsung Galaxy Note II (Verizon)
For what it's worth I think it was a weather widget and gps that was running my battery down, even though neither showed to be eating a lot of battery in the monitoring app. Too bad ... those were cool gadgets.