HBX Dune Thunder 12891 Battery Mod & Speed Boost, Deans T Plug, Keliwow,...



You can find the before and after speed tests at the end of this video. It's amazing how much faster it is after the upgrade.


https://www.banggood.com/search/tech-gadgets.html?p=TU300132720103201904&custlinkid=264110




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