I received the newly-repaired PakTrakr remote from Ken Hall late last week. Thanks, Ken. I was able to quickly re-install the remotes to monitor all 13 of my batteries. In order to avoid the max voltage limitation of each remote, I am now monitoring 5 with the first remote, 5 with the second, and 3 with the third. As you'll recall from my previous post (1/31/11), during the "high voltage" phase of the charge cycle I was bumping up against this max voltage limitation (86 V, or 2.4 V/cell), causing the remote to misinterpret the voltage of the 6th battery and giving me all kinds of erroneous error messages. Here's an image of a typical charging cycle:
With the new monitoring scheme, I am able to correctly monitor all 13 batteries throughout the entire charging cycle. Yay!
Now I just have to figure out why the voltage sags so much when the motor controller pulls on them hard. That'll be another story.