Magnets, copper busses, and foam might work, so long as I can cut through the foam at a later date and take everything apart again.( ) But how easy/hard is it to do? Plus, I would not want a battery fire to randomly start between my legs while I'm mixing with automobile traffic at 30+ mph in an enclosed coffinmobile. The roads where I live are not in great condition and I regularly exceed 40 mph as it is without a motor, and worry that WITH a motor the vibrations will prove too much for the pack and maybe cause a catastrophic failure. Myzter's method looks appealing from this perspective( ), and he seems to have had good results, and it is inexpensive, BUT I do not trust that this would be reliable for my application. My spot welder will most likely be in my possession before then, defeating the purpose. The NESE modules look like they would work, but if I ordered them, I am likely to be waiting 10 weeks. In spite of this, I'm tempted to order two of these kits just to get the trike converted, but I do not trust them and am confident that they are junk, and would prefer not wasting money if avoidable. Then there's the issue of cells becoming extremely imbalanced over time. The Vruzend no-solder kits tend to vibrate themselves apart, use unreliable components, and individual replacement pieces are near impossible to get. I looked at various topics on this subject throught the forums but it left me without an ideal solution. I need to be able to get the parts without waiting for months, preferably locally available at a hardware store for physical pickup The risk of catastrophic failure and/or fire must be minimized during both use and during charging Pack must reliably make at least 750W peak Pack must be able to be disassembled at a later date for reusing the cells in a larger and/or more powerful pack I need a no-weld, no solder solution to assembling a 20S 18650 pack that allows for the following: I'm intent on eventually building a 20S6P pack of the 18650s in the longer term, but in the short term, I may just do a smaller 20S3P or 20S2P pack just to hold me over until I get a spot welder. In order to speed up the prospect of me getting this thing rideable as an EV, I ordered 150 of the Panasonic NCR18650GA cells that were stripped from unused packs with minor blemishes(spot weld marks) on them, and a 20S 80A LiIon/LiPoly BMS that I ordered a week ago just arrived today. I have some A123 26650s in my possession that I intended to make a 24S4P pack with but a 24S LiFePO4 BMS I ordered back in July still hasn't arrived and has been sitting in a warehouse multiple states away for almost 2 months. I'd like to get it rideable as an EV within the next month. I have everything I need to get my velomobile converted to electric except for a functioning battery pack.
I ordered a kweld spot welder with the intent of building a battery pack for my home-built KMX-framed velomobile the right way, but it will take months to arrive due to the disruption in the global shipping of goods.
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