- t: time to discharge the battery (in hours)
- C: battery capacity (in Ah)
- I: discharge current (in A)
- : State of Charge (in %)
- k: Peukert constant (unitless)
- : cycle life factor (unitless)
- : cycle life exponent (unitless)
- : number of cycles (unitless)
- : Depth of Discharge (in %)
- : State of Health (in %)