Needs to go a step further
The app is handy in what info it does present but lacks the final detail in regards to the sizing of nickel strip or if you should switch to copper and same goes for the wiring. It gives you an estimated cost of your materials without presenting what those particular material sizes or capabilities should be to suit the build. Just as it does for selecting a BMS that is the correct for the pack, I feel this should be extended to the battery connections and wiring selected for the build also. Then it would get 5 stars
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Response from developer
Thank you for the detailed feedback — it shaped version 1.1. Right next to BMS sizing, the app now recommends the series-link strip (nickel thickness/width/layers), gives a clear "switch to copper?" verdict with the reason, sizes the copper terminal bus, and recommends main lead gauge (AWG and mm²) with a voltage-drop check for your lead length. Compare shows them side by side too. Version 1.1 is in App Review now. We would love to hear how it works for your next build.
