Electrical / Electronics
Current from C-rate
Estimates current from C-rate and battery capacity.
Related calculators
Battery runtime
Estimates runtime from battery capacity and load current.
Battery voltage sag
Calculates approximate voltage drop across internal resistance at a given current.
Ohm's law current
Calculates current from voltage and resistance in a DC circuit.
Battery charge time
Roughly estimates charge time from capacity and charge current.
Battery runtime with efficiency
Estimates runtime from capacity, system efficiency and load current.
Battery energy in Wh
Estimates battery energy from nominal voltage and amp-hour capacity.