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If I'm going to push a lot of current through 120-132 D cells in series, I'm not too inclined to push a lot of Amps.
IMHO, better to use the big-ass charger in the car. Do your DEEP discharge, <2V for the whole pack. Grid charge for a minute or so until the pack will hold 120V or higher. Reset the 12V and rev it to charge at several amps. Repeat 12V reset a total of 3 times until the car registers full SoC, then top-off with 350mA grid charge for another 5-8 hours.
With this method, you know overheat or overcharge can't be an issue.
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