Battery Bank - Cycle Life vs Discharge

Battery cycle life as a function of depth of discharge (DoD) - a simple exponential fit used to budget ESS lifetime in hybrid installations.

BatteryCycle lifeDoD

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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

N(DoD) = N_0 \cdot (100/DoD)^{1.3}

Symbol	Meaning	Unit
$DoD$	Depth of discharge	%
$N_0$	Cycles at 100 % DoD

Source: IEEE 1188 / DNV-RP-0043

Battery cycle life as a function of depth of discharge (DoD) - a simple exponential fit used to budget ESS lifetime in hybrid installations.