1. Vinayak V Iyer's Avatar
    so i'm gonna get a 5j first thing in the morning tomorrow, just wanna know how many of you have it on your 620s and is the difference noticeable ?
    08-10-2013 03:23 PM
  2. Laura Knotek's Avatar
    It's a 1320 mAh battery, which isn't much different from the BL-4J 1300 mAh.
    08-10-2013 09:08 PM
  3. SanjitVignesh's Avatar
    It's a 1320 mAh battery, which isn't much different from the BL-4J 1300 mAh.

    The new BL-5J is 1430 mAh and not 1320 mAh. It is powering the current Lumia 520 model. So you can expect the battery life of a Lumia 520.
    But the battery is a little bit thicker. You better try it on the 620 before buying it.
    Refer here.
    08-10-2013 11:24 PM
  4. Vinayak V Iyer's Avatar
    it fits in perfectly.
    08-11-2013 03:26 AM
  5. WanderingTraveler's Avatar
    It's a 1320 mAh battery, which isn't much different from the BL-4J 1300 mAh.
    That's for the old composition. Its actually 1430 mAh for the new ones.

    No noticeable difference in weight, you'll need to remove the thick strip in order for it to fit snugly in the shell.
    Also, there's at least a small improvement in battery life.
    Vinayak V Iyer likes this.
    08-11-2013 03:30 AM
  6. teckris's Avatar
    I read some old post about this battery.. Want to know whether it will create some problem for phone?? or void warranty.. etc..

    also is there any higher capacity batteries for the L620?
    08-11-2013 03:48 AM
  7. Vinayak V Iyer's Avatar
    wont create any problem , may void the warranty i'm not sure.
    mugen power has a 2430mAh battery for 620
    teckris likes this.
    08-11-2013 04:26 AM
  8. Vinayak V Iyer's Avatar
    how long does your battery last on moderate to heavy usage?
    (1-2 hour browsing, around 20 mins call, fair bit of music and some games? )
    08-11-2013 04:28 AM
  9. teckris's Avatar
    wont create any problem , may void the warranty i'm not sure.
    mugen power has a 2430mAh battery for 620
    is there any way that the people at NOKIA CARE know about we replace the battery to BL5J, if we dont tell them..??
    08-11-2013 04:29 AM
  10. Vinayak V Iyer's Avatar
    probably no :P
    teckris likes this.
    08-11-2013 04:33 AM
  11. teckris's Avatar
    probably no :P
    So we could give a try.... :D
    08-11-2013 04:35 AM
  12. Vinayak V Iyer's Avatar
    i've used bl-5c on a 1202 for more than an year, i know its not a smartphone or anything but , nothing happened only issue was that it didn't fit properly.
    but on the 620 bl-5j fits perfectly.
    08-11-2013 04:37 AM
  13. Vinayak V Iyer's Avatar
    So we could give a try.... :D
    sure thing! :D
    08-11-2013 04:38 AM
  14. teckris's Avatar
    sure thing! :D
    I am tired of seing battery draining too fast.. hope this battery would atleast clock 24hrs... now drains fully in 20 hrs
    08-11-2013 05:10 AM
  15. WanderingTraveler's Avatar
    Also, for all the people brave enough to do this, you could always use your BL-4Js as backup batteries.

    You know, the batteries your phones come with.
    08-11-2013 06:12 AM
  16. Ayush Upadhyay's Avatar
    From where the Mugen Battery can be purchased?

    Thanks.
    08-11-2013 08:20 AM
  17. SanjitVignesh's Avatar
    The Mugen version of the Lumia 620 battery is here.

    The Mugen version of the Lumia 520 battery is here.
    Ayush Upadhyay likes this.
    08-11-2013 12:42 PM
  18. Ulisses Augusto's Avatar
    The only problem it is the power button that cannot be pressed softly as before, sometimes the camera button. The battery is slightly bigger than bl-4j.
    08-13-2013 02:01 PM
  19. Charlie55's Avatar
    08-19-2013 05:09 AM
  20. OzRob's Avatar
    The only problem it is the power button that cannot be pressed softly as before, sometimes the camera button. The battery is slightly bigger than bl-4j.
    If you pull the padding from the inside of the back shell the BL5J will fit properly and the buttons will work better. Of course, this will mean the original battery will be loose, if you decide to use it as a spare.
    WanderingTraveler likes this.
    08-19-2013 07:17 PM
  21. WanderingTraveler's Avatar
    If you pull the padding from the inside of the back shell the BL5J will fit properly and the buttons will work better. Of course, this will mean the original battery will be loose, if you decide to use it as a spare.
    Original battery will still fit fine. I'm using it right now.
    08-19-2013 07:19 PM

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