Turning off LTE and turning on CDMA only is draining the battery as well.
I just did a test proving to me that switching the radio to CDMA only is possibly linked to the battery draining on our lte Verizon nexus phones.
I rebooted my phone and turned the radio on to cdma only and saw a dramatic drop in battery life for about 30 mins. I then turned LTE back on and the battery actually stopped draining instantly! I did turn on wifi at the end and saw an increase in battery life believe it or not.
Take a look at the screen shot.
Fyi this is with the extended battery that I just installed today.
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