I have now, finally, finished testing all the PRC-349 batteries and put aside only those that will hold a charge. This doesnt mean they have a decent capacity, of course, but it does mean they will work to some extent.
This left me with two big domestic recycling boxes full of dead batteries! These have now gone to the tip, and after some discussion with a naturally dubious dustman, have been disposed of into the care of North Yorkshire HWRC.
This has created a bit of much needed space, ready perhaps for the next intake of radios!