Re: parallel packs?

[Ken Olum <kdo cosmos5 phy tufts edu>]

   I would be careful about paralleling poorly matched battery
   packs. With a mismatch, you can have one pack drained before the
   other.  Usually it will be the weakest cell which goes first.

No, battery packs which are more fully charged will have a higher
voltage under load, so the power will come from the charged battery
pack rather than the uncharged one.  You can only have a problem with
over-discharge if different batteries are in series.

                                Ken