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So, first off, I'm new to the forum and I've been lurking for a while. I have saved about 10k for my first EV project. I will be converting a 1974 Chevy Vega. This car is about 2100lb stock. I plan to shave about 300lb off of it before the conversion. I've decided on this motor (144v)
https://www.electriccarpartscompany.com/M102-Motor-br-Series-Wound-10-inch-DC-Motor-br-48V-72V-90V-144V-550A-DC-br-190-LB--EV-10-inch-Motor_p_232.html
My plan is to design my own battery packs with 38120s Headway Cells. My goal is to get at least ~40 mile range and have a decently fun to drive car. Based on my math (I have no idea what I'm doing) I will need 10 batteries (~45 cells a piece 144v) wired in parallel to achieve ~100Ah (10Ah each cell). If that math is right, that's about $7500. Yikes. Would it be better/efficient to simply use 12v lawn mower or car batteries? Any help would be appreciated. P.s. I've done a lot of researching and haven't been able to find an answer so far. Thanks in advance!
 
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