Battery - C-Rate Current

Convert a battery C-rate (e.g. 0.5C, 1C, 2C) into continuous discharge current given pack Ah rating - the figure used for peak-shaving and cold-start sizing.

BatteryC-rateDischarge

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

I = C_{rate} \cdot C_{Ah}

Symbol	Meaning	Unit
$C_{Ah}$	Nominal capacity	Ah
$C_{rate}$	C-rate multiplier

Source: DNV-RP-0043 Maritime Battery

In short

Convert a battery C-rate (e.

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