Joined: Mar 2014
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Bikes: Foundry Chilkoot Ti W/Ultegra Di2, Salsa Timberjack Ti, Cinelli Mash Work RandoCross Fun Time Machine, 1x9 XT Parts Hybrid, Co-Motion Cascadia, Specialized Langster, Phil Wood Apple VeloXS Frame (w/DA 7400), R+M Supercharger2 Rohloff, Habanero Ti 26
Not one of those...they pretty much all had issues at some point or another. I don't think we had the sparking but if it is sparking I probably wouldn't want to charge it and potentially start a fire, sparks are not good. You can try cleaning all the connections with isopropyl alcohol and make sure there is nothing on the charger but it may need some parts.