Thanks for the extra insight. I didn't think to look at the voltage details during the drive. Here are some additional stats from the log file:
-Start of drive: 449 Gids, 399.65 V, 6 mV delta
-End of drive: 82 Gids, 335 V, 22 mV delta
-After recharge: 456 Gids, 402.43 V, 6 mV delta
The...