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  1. DannyAves's Avatar
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    #26  

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    Quote Originally Posted by fabio1 View Post
    If the battery fits, can it be cloned like the Chinese batteries with a decoder, at least this is a genuine battery?


    There is also an extended 1900mAh battery for my T-Mobile G2 (it is actually a chichitec for the EVO4G) which is the exact size of the 9900 battery, only thicker, but it fits under the door but just some small plastic pieces at the top edge were different.

    I reshaped the edges and tried to clone but that also failed....I think 1900mAh would have been great if I could have got it working.
  2. byul's Avatar
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    #27  

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    Quote Originally Posted by milfou View Post
    We tried and it will fit yes (with a little force).

    The problem is 9900 will not accept the battery in software that is different when it does the startup security check. You will get an icon on the screen that shows the battery and an X.

    Would be great to get the extra juice though.
    Be sure that you won't break the battery connector. A friend of mine tried to change battery's regularly and he broke off the connector lmao!
    gee gee baby~
  3. fabio1's Avatar
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    Thread AuthorThread Author   #28  

    Lightbulb

    There must be a way to get this battery to work on 9900, 9320 is os7 and JM1 also works with 9890

    Surely there is 9900 software for os7 that would be comparable with 9320?

  4. hieupham's Avatar
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    #29  

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    Interesting if RIM can make 9220 JS-1 battery about the same size as JM-1 but with 1400 mah vs 1230 mah then why don't they release the new JM1 NOW?

    Ok back then they could only fit in 1230, but now why not to redesign the JM-1?

    "The New JM-1"
    "The JM-2"
  5. milfou's Avatar
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    #30  

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    They are not the same. JS1 is slightly thicker. I'm sure RIM can make this battery work with software change only but it kind of kills the NFC so that's probably the reason.
  6. Betmen's Avatar
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    #31  

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    Give it up boy and girls, move on the 99xx is great as is!!
  7. Zamal974's Avatar
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    #32  

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    Hi All

    I've the JS1 battery from Curve 9320.
    The size is identical, the thickness also
    I think I'll test it to see the runtime on my BlackBerry Bold 9900
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  8. fabio1's Avatar
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    Thread AuthorThread Author   #33  

    Cool

    Hi there,

    I have been tempted to try one out the JS1, have been using Momax 1400ah.

    It would be interesting to see it will pass security check or [X] on startup, I was kind of thinking this could be cloned with a JM1 Original?

  9. estro22's Avatar
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    #34  

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    Quote Originally Posted by fabio1 View Post
    Hi there,

    I have been tempted to try one out the JS1, have been using Momax 1400ah.

    It would be interesting to see it will pass security check or [X] on startup, I was kind of thinking this could be cloned with a JM1 Original?

    Hi Fabio,

    Do you notice positive difference between the Momax battery and the OEM battery?
    Last edited by estro22; 07-02-2012 at 11:46 AM.
    Bold 9900 | 7.1.0.523
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  10. fabio1's Avatar
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    Thread AuthorThread Author   #35  

    Cool

    Quote Originally Posted by estro22 View Post
    Hi Fabio,

    Do you notice positive difference between the Momax battery and the OEM battery?
    Hi there.

    See my reports on Momex X battery. You will get around 18/20% from the 1400 battery, just be careful as will not pass security check [X] on anything higher than 7.1.0.2XX except version 7.1.0.437

    Thanked by:
    estro22 (07-02-2012) 
  11. fabio1's Avatar
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    Thread AuthorThread Author   #36  

    Cool

    Quote Originally Posted by Zamal974 View Post
    Hi All

    I've the JS1 battery from Curve 9320.
    The size is identical, the thickness also
    I think I'll test it to see the runtime on my BlackBerry Bold 9900
    Hi there.

    Did you test the JS1 battery on the 9900?

  12. deathwalkr's Avatar
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    #37  

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    Oh i should have seen this thread a bit earlier

    Sorry but it does not work. During the launch of the 9220 in New Delhi, i had a word with one of the technical heads and before i could even pop up the question he told me, that's the first thing he also tried in his 9900 but no luck.

    So now at least we know RIM can bring out a battery of the same dimensions with a bigger mAH so guess we have to wait for JM2 as someone said
  13. MrRJ's Avatar
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    #38  

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    I usually manage a full day with my 9900 and JM1 battery. I have a spare anyway, but the prospect of a higher capacity, genuine battery interests me.

    Is it a real prospect to expect RIM to come out with something like this?
  14. skyrocket9's Avatar
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    #39  

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    i don't think they will, then they would have to ship all bolds with it and owners who had the other one would want a free battery.

    Sent from my BlackBerry 9900 using Tapatalk
  15. MrRJ's Avatar
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    #40  

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    It's a year old phone now too, RIM have to be thinking onwards and upwards...
  16. kfsn1's Avatar
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    #41  

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    The new JS1 and JM1 are virtually identical in every way apart from two things, electrical capacity, which you all ready know, and the plastic moulding has a very slight difference preventing insertion of the JS1 into the Bold 9900.

    To allow it in, using a very small pair of wire cutters and/or needle files, its just a case of reducing down the little plastic guide, as such, in the bottom left hand corner looking into the back of the Bold 9900 battery area. The left bottom guide has effectively got to be taken down to the same size as the right bottom guide. Once done, the JS1 slides in and works a treat. :-)

    I'm getting a full 2 days out of my Bold now using the JS1, with the extra capacity and the fact the battery is new.
  17. maxx71's Avatar
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    #42  

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    Hi All,

    Just follow this link and all your prayers will be answered without having to change the hardware : http://forums.crackberry.com/hybrid-...evices-736988/

    I for one have found peace with battery life that is comparable to the the good old 9780 and all the goodies of 7.1 OS.
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  18. kfsn1's Avatar
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    #43  

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    Quote Originally Posted by kfsn1 View Post
    The new JS1 and JM1 are virtually identical in every way apart from two things, electrical capacity, which you all ready know, and the plastic moulding has a very slight difference preventing insertion of the JS1 into the Bold 9900.

    To allow it in, using a very small pair of wire cutters and/or needle files, its just a case of reducing down the little plastic guide, as such, in the bottom left hand corner looking into the back of the Bold 9900 battery area. The left bottom guide has effectively got to be taken down to the same size as the right bottom guide. Once done, the JS1 slides in and works a treat. :-)

    I'm getting a full 2 days out of my Bold now using the JS1, with the extra capacity and the fact the battery is new.
    Well, I spoke too soon. Its no longer working now and displaying on the screen the battery symbol with the X through it on the screen as experienced by everyone else. I installed an app update, and the phone requested I restart. So, restarted and nothing. And there was me thinking I had a special phone! lol
  19. albertinik's Avatar
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    #44  

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    Quote Originally Posted by fabio1 View Post
    Hi there,

    Reports from India indicate that new JS1 (1450mah) battery from 9220/9230 is the same size and pin as for 9900/9930?

    Please can anyone confirm if JS1 will fit in 9900/9930?

    Thanks
    Nope it does not fit in unfortunatelly
    A.I.
  20. Superfly_FR's Avatar

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    #45  

    Default Re: JS1 Battery?

    JS1 Battery?-8789.jpg JM-1 charging bundle... and you life is sooo sweet.
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  21. Zamal974's Avatar
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    #46  

    Default Re: JS1 Battery?

    Quote Originally Posted by fabio1 View Post
    Hi there.

    Did you test the JS1 battery on the 9900?

    Yes But it's not avaible
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  22. fabio1's Avatar
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    Thread AuthorThread Author   #47  

    Default JS1 Battery?

    Hi there,

    I have been using the Momax 1400ah PDA batteries for nearly 6 months.

    The new series are unlocked and will work without a decoder.

    They will give you around 18% - 20% extra life over a standard battery (tried and tested in 3x 9900 and 1x 9860 mobiles!

    Ciao
    Last edited by fabio1; 11-14-2012 at 07:28 AM.
  23. westiewanderer's Avatar
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    #48  

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    Go and order yourself a MUGEN battery...I have one and its 1500 mah....works awesome and fits behind the battery door fine in my 9930!
    ~ Still waters run deep ~
  24. ge3k's Avatar
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    #49  

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    has anyone tried decoding the js-1 for the 9900? is it temporary or permanent?
  25. motiontwisterae's Avatar
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    #50  

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    I'm completely blind so please help me
    what's the difference between temporary or permanent battery?

    I've found this battery
    2650mAh High Capacity Battery for Blackberry Bold 9900 9930
    http://www.ebay.ie/itm/230888452346?...84.m1436.l2649 so will it work on B9900 or not?


    thanks!
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