From: adam@address.invalid   
      
   Aragorn wrote:   
   > On Tuesday 03 July 2012 04:22, Adam conveyed the following to   
   > alt.os.linux.mandriva...   
   >> I read that Li-ion batteries, unlike   
   >> NiCd/NiMH, should /not/ be allowed to discharge completely if   
   >> possible.   
   >   
   > No, that is not correct.  NiCd batteries _must_ be periodically   
   > discharged completely   
      
   Yes, I'm aware of their "memory effect".  OTOH just leaving them alone   
   for a few months effectively discharges them completely.  I gather that   
   advice applies equally to the Nickel-Metal hydride batteries that have   
   replaced NiCds, now that cadmium is considered a hazardous material in   
   the U.S.   
      
   > Li-ion batteries don't have that   
   > requirement per se, but it is still a good idea to deplete the battery's   
   > charge virtually entirely every once in a while so as to prevent the   
   > development of "battery memory", even with Li-ion.   
      
    From reading the other posts here, that sounds like a slightly   
   controversial matter! :-)  I'll be following this subthread with   
   interest!  Right now, not having a laptop yet, the only Li-ion battery   
   that I know I have is the one in my cell phone.  The problem with   
   discharging that one is that I may get an important call on it at any   
   moment, although not likely.  Oh, and in my "new" digital camera, but I   
   have more than one battery for that.   
      
   Just to be complete, I'll mention lead-acid batteries, which I have in   
   my car and my UPS.  I gather that, except for "deep cycle" batteries,   
   those should be kept as close to fully charged as possible.   
      
   Adam   
   --   
   Registered Linux User #536473   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)