12-16-2012 03:52 PM
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  1. NickA's Avatar
    that's the design reason they went with a separate charger as opposed to USB since the max you can push through that is 5V. I need to plug the wall charger up to a Kill-a-Watt to see what the draw is (plus see if the wall charger is a power vampire)
    I'm sure you know this, but it's not voltage that determines battery charge time...
    12-06-2012 01:57 PM
  2. inteller's Avatar
    Plugged into my kill a watt the Surface pulls 25W charging and 0 when not so you can leave the wall wart plugged in when not in use, it isn't a power vampire.
    Sent from my Lumia 900 using Board Express
    NickA likes this.
    12-08-2012 07:44 PM
  3. NickA's Avatar
    That's good to know, What's the kill a watt thing? I'd like to check the chargers for all my stuff.
    12-08-2012 08:52 PM
  4. inteller's Avatar
    12-09-2012 08:26 AM
  5. inteller's Avatar
    oh also, this goes without saying, but the Surface adapter is smart, the watts drop as it fills up, towards the end it goes to a slower charge of about 6W. All this together means it charges a lot faster than iPad charger, which takes 3 hours I've seen to top up.
    12-09-2012 06:12 PM
  6. mike13579's Avatar
    Hi I was wondering how quick the battery is supposed to drain when it is locked. I just received my surface from Best Buy and have noticed that the battery drains awfully fast. Last night I turned off Notifications and Bluetooth along with putting it into airplane mode. It had 23% battery, when I woke up this morning it was dead. I am still in the exchange window so I was wondering if this is normal?
    12-16-2012 06:55 AM
  7. inteller's Avatar
    Not normal, but make sure you have installed ALL updates.
    Sent from my Lumia 900 using Board Express
    12-16-2012 03:52 PM
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