Received my new Nexus 10 16GB on March 5th.The tablet has lived up to all I was expecting except for the battery, the best screen on time I have got has been about 4 hours from fully charged. Yesterday I received a new Pogo charger so charged the tablet to 96% and then used the tablet on the internet for exactly 2 hours during which time the battery charge level fell to 69%. I got a call back through Google support to their device hardware technical Dept, where it was decided that a replacement tablet would be sent as upwards of 7 hours would be expected from internet usage, not the 4 hours I was getting. I originally thought that the battery would improve after a number of charges, two of which were from a fully discharged tablet but that has not been the case. I have checked various forums and have not found that this is a common problem so hopefully this is a one off, or has anyone else had the same problem?