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Last night right before heading to bed I checked the phev kit and the carger. I noticed it had kicked itself off. I had drained it down quite a bit and was surprised that it was done already. So, I plugged it back in, watched it a few minutes and saw it turn off not nearly at a voltage where it should have. It wasn't even up to 3.5V yet. I also turned the car on and PHEV to top off the OEM pack for tomorrow morning's commute. I noticed as soon as the PHEV kit was turned on the charger turned off. These two instances lead me to believe that there is some electrical noise back there. At the first sign of an alarm, the PHEV disconnect kills power. So, I think I'm getting a voltage spike here and there that is triggering the disconnect. I'm thinking a very easy fix will just be to add a timer to the programming. This timer will ensure that the alarm has been going for 3 seconds before killing the power. That will take care of any voltage spikes.
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