Wirelessly posted (8700g)

I thought location because constantly marginal or no signal for the great portion of your day could deplete the battery faster.

Assuming your new battery is not faulty, I agree with the others. I know you say you are not doing anything diffferent, but I don't know what else. Close or exit applications when you are not using them (don't leave running) and see what happens.

Other than that, maybe your new battery is a dud. Where did you buy it? Is it an OEM battery?