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NCA Li-ion Cycle Life Calculator

Cycle life and service years for NCA Li-ion at your depth of discharge and cycling rate (rated 1,500 cycles).

NCA maximizes range (Tesla's long-range heritage) at the cost of cycle life and thermal headroom โ€” babying the charge window pays. Enter your real depth of discharge and cycles per day: the tool applies the DoD inverse-power law to the 1,500-cycle datasheet rating and tells you whether cycling or calendar aging will retire the battery first.

1,643 cycles
Expected cycle life (to 80% capacity)
4.5 years
Service life
cycling
Limited by
Datasheet rating1,500 cycles @ 85% DoD
DoD stress exponent1.5
Calendar-only life8 yr to 80%
Energy throughput1,314 ร— capacity kWh

Cycle life scales as (rated DoD รท your DoD)^1.5 for NCA (Li-ion). Whichever of cycling wear or calendar aging hits 80% first sets the real service life โ€” lightly-cycled packs die of old age, hard-cycled packs die of throughput.

Sources: Cell datasheet cycle curves (DoD inverse-power fit); Sandia / NREL battery aging test reports

Engineering estimate from published standards and typical equipment data. Site conditions, equipment datasheets and measured data govern the real result โ€” confirm with a qualified engineer.

Use the free NCA Li-ion Cycle Life Calculator online โ€” Cycle life and service years for NCA Li-ion at your depth of discharge and cycling rate (rated 1,500 cycles). Runs instantly in your browser: no signup, no upload, mobile-friendly.

About NCA Li-ion Cycle Life Calculator

NCA maximizes range (Tesla's long-range heritage) at the cost of cycle life and thermal headroom โ€” babying the charge window pays. Enter your real depth of discharge and cycles per day: the tool applies the DoD inverse-power law to the 1,500-cycle datasheet rating and tells you whether cycling or calendar aging will retire the battery first.

How to use NCA Li-ion Cycle Life Calculator

  1. 1Pick the chemistry (or keep the application's default).
  2. 2Enter your typical depth of discharge and cycles per day.
  3. 3Read expected cycles, service years, and which aging mechanism retires the battery.

Why use NCA Li-ion Cycle Life Calculator?

  • โœ“DoD inverse-power law โ€” the actual shape of manufacturer cycle-life curves
  • โœ“Shows the binding constraint: cycling wear vs calendar aging
  • โœ“Energy-throughput output for warranty and TCO comparisons
  • โœ“All chemistries, one tool โ€” compare LFP vs lead vs flow in seconds

Frequently asked questions

How does depth of discharge change battery cycle life?+

By a power law: halving DoD roughly triples Li-ion cycle count. An NMC pack rated 2,000 cycles at 85% DoD delivers ~5,500 cycles at 50%. This is why oversizing a battery (cycling it shallower) often costs less per delivered kWh over a decade.

Why might my battery die of old age before cycle wear?+

Calendar aging runs regardless of use โ€” typically 1.5โ€“2.5%/yr for Li-ion, worse when hot or stored full. A lightly-cycled backup battery (0.1 cycles/day) hits 80% from calendar fade in 8โ€“13 years no matter how few cycles it saw. The tool shows which clock runs out first for your duty.

Which battery chemistry lasts longest?+

By cycle count: LTO (15,000+) and vanadium flow (12,000+, DoD-insensitive) lead; LFP (3,000โ€“6,000) is the practical champion for cost; NMC/NCA (1,500โ€“2,500) trade life for energy density; lead-acid (400โ€“1,200) trails but is cheap upfront. Match chemistry to your cycling intensity.

What is energy throughput and why do warranties cap it?+

Throughput = capacity ร— DoD ร— cycles โ€” the total energy a battery moves over its life. Warranties increasingly cap MWh throughput because it captures wear better than years or cycle counts alone. Compare price รท throughput across chemistries for the honest cost-per-kWh-delivered.

Embed NCA Li-ion Cycle Life Calculator on your website

Want NCA Li-ion Cycle Life Calculatoron your own site? Paste this snippet into any HTML page โ€” it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.

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