If your device can use a CRV type battery then rechargeable Li-ion is the way to go.
  ----- Original Message ----- 
  From: ShadowAce 
  To: listserv@azgeocaching.com 
  Sent: Thursday, November 08, 2007 1:11 PM
  Subject: Re: [Az-Geocaching] Best battery


  Maybe this could be helpful?

  http://www.users.on.net/~mhains/

  Compares some of the features


  On Nov 8, 2007 7:11 AM, Bob & Linda Smith < Lrsmith@cableone.net> wrote:

    It has been a while since we had this conversation and I find most of my 
    NiMh batteries no longer hold a charge for very long.  Has anyone tried
    these batteries yet:  RAM (Rechargeable Alkaline Manganese)  I read a
    note about them on the Garmin listserv last August and wanted to try
    them at that time but could not speak German where the link took me.
    I'm shopping for the best AA battery for my GPS and Camera's -- your
    thoughts???

    Bob Smith, Prescott, AZ  Team Petite Elite
    Prescott, AZ 

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