That's the one thing I find annoying about the newer Kindle software. It seems to really want you to leave WiFi on all the time, but that drops the battery life

That's the one thing I find annoying about the newer Kindle software. It seems to really want you to leave WiFi on all the time, but that drops the battery life to a couple of days from a couple of weeks. I haven't had any trouble remembering to turn it back off after I let it sync, though.