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Andi posted a topic in General DiscussionYou may have seen some ads here for the product "Booster Battery" for the SONDORS eBikes. We highly warn against these batteries they are really dangerous. Connecting two different batteries together may/will cause the weaker battery to drain first to the point where voltage becomes zero, at this point the battery will be damaged forever with no way to repair it. That may be fine for some of you but, here comes the dangerous part. The larger battery will continue to draw from the weaker battery which have already been exhausted and it will get extremly hot - a extremly hot and exhausted battery will explode and burst into flames. You are getting yourself and other lives in danger when you're connecting two batteries that are not the same voltage and amp hour. You might have been doing this with no negative effect yet but obviously you have not done long term testing. If it was this simple, someone would have done this along time ago. Lithium batteries in general are extremly explosive and highly flammable especially when you are not utilizing it properly. Here's a video of what happens when lithium batteries get hot:
Fenders for your Sondors eBike Collection of Fenders for your Sondors eBike - click the link to see detailed product description and price. Fat Tire Cruiser Bicycle Fender Kit - Front and Rear: buy on ebay Topeak DeFender M1 and XC11 Bike Fender Set fits MTB 29-Inch Tires: buy on Amazon Got more? Post them down below!
I live in area with many hills. I am unable to pedal uphill event with motor assistance due to high gear ratio. As for now I see two solutions: Install front derailleur Install read derailleur Combine both above I want to explore this solutions in this thread because I cannot find it elsewhere. I don’t have working solution now. According to http://www.szbaf.com/en/components/component/motor/rm-g06350d.html installation width of rear axle can be either 170mm or 195mm. My measures confirms that Sondors use 170mm width, which leave us less than 40mm space between motor and frame. Does anyone know if there is such narrow multi gear freewheel? Second problem will be derailleur installation. Since there are no holes for standard hanger, I believe frame has to be modified. Anyone did this?