Battery C-Rate, Discharge & Peukert Runtime Calculator

Determine discharge current from C-rate, Peukert exponent derating ($t = H(C/IH)^k$), effective usable capacity, and full charge duration.

Battery Chemistry Preset:

Nominal Capacity C_nom (Ah):

Nominal Voltage V_nom (V):

Discharge C-Rate or Current: E.g., 0.5C, 1.0C, 2.0C

Peukert Exponent (k):

Depth of Discharge DoD (%): Standard cycle life recommendation: 80%

Discharge Current (I)

Peukert Runtime

Effective Cap. Ah

Delivered Energy

Peukert Efficiency

Charging Timeline Estimate

Standard 0.5C CC-CV Charge: ~2.2 hours | Fast 1C Charge: ~1.1 hours

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