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Modifying the DE UMP to take a a 9.6v Stick Battery

  • 08-01-2008 12:16am
    #1
    Rew
    Moderators, Sports Moderators Posts: 8,679 Mod ✭✭✭✭


    The DE UMP comes with an 8.4v stick battery that fits inside the body but its ROF is much much better with an 9.6v battery. The 9.6v battery is one cell longer so dodnt fit neatly in the body and the stock cannt be closed over. Reason it wont close is the battery cover plate cannt close over and blocks the stock from closing.

    There is space in the stock where it closes over the battery compartment. So I stripped it appart and found that the battery cover picec comes out easily. I tapped oput the pin that hinges the batter cover plate easily enouhg and replaced the unit minus the cover plate. Now the 9.6v battery will clide in the the body and protudes very slightly. Luckily the space in the stock is in such a way as to allow the stock to clse over the end of the battery. Battery is firmly in place so you can use it stock folded or closed easily. Definitly worth it for the higher ROF.


Comments

  • #2
    kdouglas
    Registered Users, Registered Users 2 Posts: 6,414 ✭✭✭kdouglas


    sounds handy enough alright, got any pics?


  • #3
    Rew
    Moderators, Sports Moderators Posts: 8,679 Mod ✭✭✭✭Rew


    Its very handy, did it in 5 mins with nothing more then a leatherman (to push out the pin enough to grip it with plyers). You do have to be a little carefull when clsoing the stock it can catch the wires a bit. Some insulation tape my fix that problem. Ill snap some tomorrow, too tiered now :D


  • #4
    Rew
    Moderators, Sports Moderators Posts: 8,679 Mod ✭✭✭✭Rew


    img6821ox2.th.jpg
    The back of the AEG after removing the battery cover plate

    img6832by2.th.jpg
    Battery Cover plate with the hinge bar sticking out the side

    img6822kz1.th.jpg
    9.6v (top) and 8.4v (bottom) batteries

    img6827lq2.th.jpg
    9.6v Battery installed in the AEG

    img6830yx4.th.jpg
    Stock closing over on the battery.


  • #5
    Stercus Accidit
    Registered Users, Registered Users 2 Posts: 8,758 ✭✭✭Stercus Accidit


    Looks good,

    where did you get the heat shrink for a stick battery?

    The black on the end of it is heat shrink I assume, or is it insulation tape?


  • #6
    Rew
    Moderators, Sports Moderators Posts: 8,679 Mod ✭✭✭✭Rew


    Motosam wrote: »
    where did you get the heat shrink for a stick battery?

    The black on the end of it is heat shrink I assume, or is it insulation tape?

    Its a combination of both. Came with heat shrink and I added some tape.


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  • #7
    ED E
    Registered Users, Registered Users 2 Posts: 36,170 ✭✭✭✭ED E


    Q: what happens when you fold the stock???


  • #8
    Rew
    Moderators, Sports Moderators Posts: 8,679 Mod ✭✭✭✭Rew


    Fold it to the side to shorten the AEG? Nothting the battery wont go anywhere. There a tight fit as is and the conection to the gearbox is failry short so that holds it even if it did move. If you wanted you could wrap a few layers of electical tape and that would really cause it to wedge in there.


  • #9
    SayHeyToShea
    Closed Accounts Posts: 1 ✭SayHeyToShea


    Rew wrote: »
    The DE UMP comes with an 8.4v stick battery that fits inside the body but its ROF is much much better with an 9.6v battery. The 9.6v battery is one cell longer so dodnt fit neatly in the body and the stock cannt be closed over. Reason it wont close is the battery cover plate cannt close over and blocks the stock from closing.

    There is space in the stock where it closes over the battery compartment. So I stripped it appart and found that the battery cover picec comes out easily. I tapped oput the pin that hinges the batter cover plate easily enouhg and replaced the unit minus the cover plate. Now the 9.6v battery will clide in the the body and protudes very slightly. Luckily the space in the stock is in such a way as to allow the stock to clse over the end of the battery. Battery is firmly in place so you can use it stock folded or closed easily. Definitly worth it for the higher ROF.
    can you give me the name of the battery and where you got it? like 1150mAh? plus which pin are you talking about that you tapped out with the leatherman?...thanks


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