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    #46
    Just to provide a data point: Car sat in the garage for 4-6 weeks (battery connected, no charger) and just started right up without hesitation.

    Antigravity ATX-30

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      #47
      Originally posted by eacmen View Post
      I don’t know how lithium batteries react when shorted to ground but traditional ones its dangerous.
      Worse than traditional ones lol

      https://youtu.be/FfmrqWdm-mw?t=156
      2002 Topasblau M3 - Coupe - 6MT - Karbonius CSL Airbox - MSS54HP Conversion - Kassel MAP - SSV1 - HJS - PCS Tune - Beisan - MK60 Swap - ZCP Rack - Nogaros - AutoSolutions - 996 Brembos - Slon - CMP - VinceBar - Koni - Eibach - BlueBus - Journal

      2012 Alpinweiss 128i - Coupe - 6AT - Slicktop - Manual Seats - Daily - Journal

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        #48
        Originally posted by heinzboehmer View Post

        Worse than traditional ones lol

        https://youtu.be/FfmrqWdm-mw?t=156
        Wow. Glad I installed those rubber terminal covers. I don’t run with the plastic battery compartment shelf anymore since I need access to the restart button on the battery. I’ve often worried about a stray wrench or something shorting the terminal.

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          #49
          Originally posted by ZHPizza View Post
          Just to provide a data point: Car sat in the garage for 4-6 weeks (battery connected, no charger) and just started right up without hesitation.

          Antigravity ATX-30
          Do you recall how many lbs you saved when you swapped to the antigravity battery?


          Sent from my iPhone using Tapatalk
          2018 Grigio Telesto F80 M3 DCT | :: Bone Stock ::
          2004 Titanium Silver E46 M3 6 Speed | :: Track Car ::

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            #50
            +1 for antigravity, they are legit

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              #51
              Originally posted by sc_tr0jan_m3 View Post

              Do you recall how many lbs you saved when you swapped to the antigravity battery?


              Sent from my iPhone using Tapatalk
              Battery for battery about 45lbs, but should be closer to 50 once I get the heavy steel bracketing swapped out for some aluminum straps.

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                #52
                Originally posted by ZHPizza View Post
                Battery for battery about 45lbs, but should be closer to 50 once I get the heavy steel bracketing swapped out for some aluminum straps.
                That’s awesome. Thanks for the response.


                Sent from my iPhone using Tapatalk
                2018 Grigio Telesto F80 M3 DCT | :: Bone Stock ::
                2004 Titanium Silver E46 M3 6 Speed | :: Track Car ::

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                  #53
                  Originally posted by ZHPizza View Post
                  Just to provide a data point: Car sat in the garage for 4-6 weeks (battery connected, no charger) and just started right up without hesitation.

                  Antigravity ATX-30
                  That’s sweet really looking forward to ATX-30


                  Sent from my iPhone using Tapatalk Pro

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                    #54
                    Weighed it with the adapter posts installed (and a full charge with all them heavy electrons)

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                      #55
                      ZHPizza how many pounds is that?

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                        #56
                        Originally posted by DropTopKingM3 View Post
                        ZHPizza how many pounds is that?
                        5lb 15oz

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                          #57
                          Wild, so light! Wish there were a bit more affordable...
                          Phoenix Yellow e46m3 Build Thread
                          Japanrot Red E46 330i Msport k24/dct/turbo Build Thread

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                            #58
                            Originally posted by ZHPizza View Post
                            5lb 15oz
                            That’s why I had to ask and make sure. Wow! A 5 lb battery. That’s awesome how far technology has come. I’m definitely going to have to look into this.

                            Would you be able to leave a ctek tender on this battery during the winters ?
                            Last edited by DropTopKingM3; 02-10-2021, 12:54 AM.

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                              #59
                              Originally posted by DropTopKingM3 View Post

                              That’s why I had to ask and make sure. Wow! A 5 lb battery. That’s awesome how far technology has come. I’m definitely going to have to look into this.

                              Would you be able to leave a ctek tender on this battery during the winters ?
                              Yep just make sure it's the correct charger for LiFePO batteries. This is the one that I got as it was recommend by Antigravity.

                              Amazon.com
                              https://www.amazon.com/dp/B00EUF6UM8
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                                #60
                                Originally posted by ZHPizza View Post
                                Yep just make sure it's the correct charger for LiFePO batteries. This is the one that I got as it was recommend by Antigravity.

                                https://www.amazon.com/dp/B00EUF6UM8
                                concur this charger works well.
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