Portable battery pack for the Surface Pro?

Discussion in 'Microsoft Surface Pro' started by Sgl9x, Feb 14, 2013.

  1. Sgl9x
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    Sgl9x New Member

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    This may be a stupid question but:

    Does anyone know if the Pro can be charged through the USB port or does it have to be charged through the usual power port?

    I'm trying to find a portable battery pack for it.

    Thanks
  2. ArnoldC
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    ArnoldC New Member

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    Nope, not supported.
  3. Ashles
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    Ashles New Member

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    I think the PowerGorilla team are working on an adaptor for the Surface. PowerGorilla powers any laptop.
  4. OnTheSurface
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    OnTheSurface New Member

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    "One of the multiple Microsoft engineers on the AMA, which was led by Surface general manager Panos Panay, replied that such an accessory would only be possible if the magnetic accessory connector was designed to transfer high current between the peripheral and tablet's battery.

    Then he wrote, "Which we did..."
    "
  5. Sgl9x
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    Sgl9x New Member

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    Great news... I hope they hurry up and come out with it.
  6. M17x
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    M17x New Member

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    Anyone knows if there a third party car charger from china? Perhaps DIY and cut solder to make a portable charger? Or simplest one is goalzero sherpa 50
  7. J515OP
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    J515OP Super Moderator

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    Try looking at ebay. There are some standard plugs showing up so maybe there is a car charger too.
  8. M17x
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    M17x New Member

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    I believe we can charge pro with usb based battery portable, as you can see it has options of 12v 3,6A or 5v, 1A.
    I guess it wont fully charge it but it will extend battery life for pro.
    As soon as i can get a cheap generic charger i will cut it and connect it to a regular brand portable battery. ImageUploadedByTapatalk1360878604.467874.jpg
  9. J515OP
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    J515OP Super Moderator

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    The 5v @ 1A rating is for the usb slot on the charger (standard usb power).

    The 12v @ 3.6A is to charge the Surface. The Important part is going to be to match the 12V. The Amps will determine how quickly it will recharge (3.6A regular time, 2A ~1.5 times longer and 1A forever).
  10. JohnF
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    JohnF New Member

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    That statement was in regards to the extra connectors on each side of the keyboard connectors that the RT doesn't have. It was hinted that they might releases keyboard with extra battery capacity in it. That might be an option for a third party accessory as well but doesn't really address what might be available for the normal power charging port.
  11. M17x
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    M17x New Member

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    There are alot of battery out there with 12v and 2.1A for ipad or tablets.
    Im sure there are modified 12v 3,6A out there too?
  12. J515OP
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    J515OP Super Moderator

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  13. safe31
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    safe31 New Member

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    Hi im from europe, i have a friend who is bringing me a surface pro from US, i want to now if i can charge it into the wall socket with simple adapter, i was looking at the tansformer power input , it has writen on it
    input 110v/230V 50/60Hz. my voltageHere is 220/50
    thanks in advance.
  14. MMU
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    MMU Member

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    Sounds like a "yes" to me.
  15. HD_Dude
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    HD_Dude New Member

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    BTW I bought a couple of these, and returned them, for nothing related to the Pro. I actually had the newer one - the 18000A.

    Turns out, they put out a maximum amperage of 3.5...which was too low for my Dell XPS (4.2 amps) and my Sony VAIO (5 amps).

    Those represented rather big gaps; the laptops would not charge or be powered by the Energizers.

    Does anyone here know whether the modest gap of 3.5A vs 3.6A might be allowable?
  16. Cambo
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    Cambo Member

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    I was thinking of getting one of these;
    MiLi Power King
    would this work on the surface?
  17. jeffskent
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    jeffskent Member

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    For those rare instances when I'm on the road and need to power up my devices, I have an inverter in my car's center console which works fine, only cost about $100, and powers any normal a/c device w/o adaptors.
  18. J515OP
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    J515OP Super Moderator

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    This should be fine for the Pro. The Pro will charge on the RT unit which is 12v @ 2A. Basically you shouldn't see any difference than charging from the stock Pro unit in that case. Edit: The linked unit only puts out 12V at 2A. The higher voltages are output to see the higher amps which might be an issue for charging the Surface so 12V @ 2 A is the same as below.

    This will work fine with the RT and would charge the Pro like it would charge from the RT charger (charging the Pro while off would be ok but pretty slow if using it while trying to charge).

    Edit: RT battery is 4257mAh capacity and Pro is 5676mAh capacity. So in theory a 18,000mAh battery can charge the RT 4 times and the Pro 3 times but this seems high. Of course you are talking about a 3lb battery pack so it is possible.
    Last edited: Apr 2, 2013
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  19. J515OP
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    J515OP Super Moderator

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    Just to be extra clear you will have to come up with your own solution to actually connect the Surface to this unit which means probably buying a cheap Surface charger and splicing the tip onto the battery pack cable. There are other threads discussing this custom cable making process.
  20. Russ
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    Russ Active Member

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    JP --

    Thanks, that's good info. I'm working on two related projects. I have some stuff left over from a previous laptop -- spare battery and charger. My plan is to convert each of them to work with the Pro. I have ordered (but not yet received) two of the cheapie chargers on eBay, just to get the cables. There is lots of good info in a couple of threads here, so I'm now pretty confident of making them work.

    Take care,
    Russ

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