alcatraz Posted May 8, 2018 Share Posted May 8, 2018 (edited) Hi everyone.. After nearly 3000km I'm tempted to open up my battery pack and service it. What I mean is to locate the cells that are behaving poorly and replace them. How do I best find them? Do i need to remove the connections to measure the cells? (I have an inmotion v8 84v 480mAh pack) At what internal resistance deviation do you consider a cell being bad? I don't want to throw away ok cells but I don't want so-so cells to kill my good cells either. So what's the compromise? If I do find a dud cell or two, how do I go about finding a good cell model to replace it with? Are there any cells I should stay away from that are unsuitable for electric unicycles. I use my unicycle in temperatures from -20 to 30 degrees C. Do I need to be extra careful with the BMS? I just had an idea and it's to group similar internal resistance cells together in one group. That way their voltages won't deviate much compared to their neighbor cells and kill them. Does this make any sense or am I just crazy? It would mean that you could increase the lifespan of the pack by just moving cells around. Thanks! /a Edited May 8, 2018 by alcatraz Quote Link to comment Share on other sites More sharing options...
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