+Fusilli Jerry Posted December 30, 2010 Share Posted December 30, 2010 Hi folks, I am having serious batterly life problems in my Oregon 450. The batteries never last more than 4 hours. I called Garmin support and they said it "might" be related to the 16 GB SD card. They said they only officially support a 4GB card and that it is possible the unit is using extra resources and thus draining the battery trying to use the 16 GB SD (class 4) card. I am using alkaline batteries and have the unit set for alkaline. I've tried several different batteries (Energizer, etc). I am aware that I could get somewhat longer life out of lithium but I should be getting much better than 4 hours out of alkaline. I used to use a 400t and got much longer batterly life using alkalines on it. I have battery save mode on and the backlight timeout is enabled. Other than the battery problem, the unit works normally and can read the maps on the SD card successfully. Does Garmin's suggestion sound right? Anyone else with any experience with this problem? Any help is greatly appreciated. PS: I'm also posting this inquiry to the GPSFileDepot forums since that is where I obtained my maps for this unit. Quote Link to comment
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