Didjerrydo Posted February 6, 2008 Share Posted February 6, 2008 I have pretty much given up on trying to use any form, or milliamp hour rating, of rechargables in my Colorado 300. It seems that the only battery type worth using is either lithium or primo grade alkalines (Rabbit batteries or Copper Tops). I know Garmin apparently has a lot of tweaking to do concerning power managment on these units, but is anyone getting more than 4 or 5 hours of use from rechargables in thier Colorados? Quote Link to comment
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