Warranty sheets are contracts—read the cycle assumptions

A 10,000-cycle headline means little without stated DoD, temperature, and C-rate. BESS financiers and owners should model throughput MWh against tariff savings.

Questions to ask every ESS supplier

Request cycle test report excerpts, definition of end-of-life capacity, pro-rata replacement policy, and whether warranty transfers to secondary owners.

  • Cycles at 80% vs 90% DoD
  • Ambient derating above 35°C or below 0°C
  • Annual throughput cap in warranty
  • SOH reporting interface
  • Excluded failure modes list
BESS battery cycle life warranty chart

Compare Tuorde ESS warranty terms

Tuorde LiFePO4 storage products document cycle data for project finance review. Browse related Tuorde products and attach load profile to Request a structured quote.

Model ROI with realistic degradation

Use 1–2% annual capacity fade sensitivity in 10-year models unless supplier provides tighter guaranteed band.