Examples
Examples
Try the starting example
- Voltage before discharge pulse (V)
- 4.1
- Voltage during discharge pulse (V)
- 3.95
- Current before pulse (A)
- 0
- Current during pulse (A)
- 10
- Observed pulse resistance (ohms)
- 0.015
- Observed pulse resistance (milliohms)
- 15
Try another scenario
- Voltage before discharge pulse (V)
- 5.1
- Voltage during discharge pulse (V)
- 3.95
- Current before pulse (A)
- 0
- Current during pulse (A)
- 10
- Observed pulse resistance (ohms)
- 0.115
- Observed pulse resistance (milliohms)
- 115
Calculation method
Calculation method
Observed pulse resistance (ohms)
Observed DC pulse Δvoltage/Δcurrent with discharge-positive current; test duration, temperature and SOC determine interpretation.
Observed pulse resistance (milliohms)
Observed DC pulse Δvoltage/Δcurrent with discharge-positive current; test duration, temperature and SOC determine interpretation.
Symbols and units
- a
- Voltage before discharge pulse (V)
- b
- Voltage during discharge pulse (V)
- c
- Current before pulse (A)
- d
- Current during pulse (A)
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions & limits
Assumptions & limits
- User-supplied measurements and assumptions; Observed DC pulse Δvoltage/Δcurrent with discharge-positive current; test duration, temperature and SOC determine interpretation. Supported limits: Finite numeric values bounded to 1e9 magnitude; lists and tables contain 1–100 records unless a stricter bound is stated. Inputs use the units shown. Lists explicitly paired by a method must have matching lengths; independent polynomial coefficient vectors may differ. Respect stated physical, interpolation, policy and computational domain limits.
Are these inputs private?
These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.