Cool, is there any commercial product that does this? I'd pay for that.
If you're interested, at https://infinite-battery.com we're building a repairable battery that you can connect to, it gives alerts, data, and is compatible with many e-bike controllers (Bosch, Bafang, etc)
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If you're interested, at https://infinite-battery.com we're building a repairable battery that you can connect to, it gives alerts, data, and is compatible with many e-bike controllers (Bosch, Bafang, etc)