SOC SOH SOF

**a coulomb counting method,
**voltage method,
**Kalman filter method

https://www.analog.com/media/cn/technical-documentation/technical-articles/A-Closer-Look-at-State-Of-Charge-and-State-Health-Estimation-Techniques-…_cn.pdf

practical circuit construction rather than pure theory and equations
http://afrotechmods.com/tutorials/

  1. Accurate Electrical Battery Model Capable of Predicting Runtime and I–V Performance

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.227.4482&rep=rep1&type=pdf

Prediction and analysis of model’s parameters of Li-ion battery cells

Battery Monitoring Sensor 古河工業

https://warp.da.ndl.go.jp/info:ndljp/pid/996523/www.furukawa.co.jp/jiho/fj120/fj120_12.pdf(古河電工時報 第 120 号(平成 19 年 9 月)
https://dl.ndl.go.jp/view/download/digidepo_10378019_po_fj132_12.pdf?contentNo=1&alternativeNo=
古河電工時報第132 平成25月 9 年
https://www.furukawa.co.jp/jiho/fj132/fj132_03.pdf (10 月 9 年 25 平成(号 132 古河電工時報第)
https://www.furukawa.co.jp/rd/review/fj136/fj136_12.pdf (古河電工時報第 136)
https://www.furukawa.co.jp/rd/review/fj139/fj139_09.pdf (古河電工時報第 139 号(令和 2 年 2 月)