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The Axim X5 draws about 210 mA in "normal" mode. The single heaviest draw on the Axim is the screen brightness. Setting that option to something full bright will significantly increase battery draw. That 210 mA figure comes from the observation that a 1440 mAh battery lasts just under 7 hours with a moderatly lit screen. Now, no two GPS CF cards, or BT CF Cards are exactly the same, but the Socket BT CF Card says it draws 40 mA, the Haicom 303 MMF GPS draws about 90 mA. So with a BT card, the Axim will experience about 250mA and with the Haicom 303MMF it experiences about 300 mA. The BT will theoretically exhaust the battery in 5.75 hours, the GPS in 4.8 hours. Of course, if you use a different BT card, or different GPS, the difference in power consumption will be more or less.
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