From John F. Beninati we learn:  An unfortunate characteristic of 
     Ni-Cad technology is what some people call "memory effect."  And yes, 
     if you want the battery to retain a charge for as long as possible you 
     should drain the battery completely before recharging it.  No, you 
     should not "top upp" the battery as you would a lead-acid battery.  A 
     slightly better technology is Ni-MH (less memory effect). An even 
     better technology is Li-ion (no memory effect).
     
     And from Eric Rosenkratz we learn:  New nicads do not have memory no 
     matter what anyone says.. You should deep cycle them but not 
     completely discharge them - the best thing to do is get a high 
     performance charger that pulse charges them .. Tekin and Maha make 
     great chargers for this. Trickle charging does not do a great job.  
     Many of these chargers have a maintenance mode as well ..
     
     So which is it, gentlemen?  To drain or not to drain.  That is the 
     question before us, here, today.  Be that as it may, we can all agree 
     that superior technology exists.  BTW...  is that Tekin and Maha or 
     Tekna and Mako?  Forgive my ignorance of the companies.  ;)
     
     Aloha, Paul
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