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48health

FLT-03

At Risk
Forklift · LFP · 23 kWh
Harbor Depot · commissioned 2024-11-09 · 98,829 km
State of health
87.1%
Remaining life
1.7y
92% conf
Fade rate
0.34%/mo
Full cycles
1,089
Resistance rise
+36%
Proj. end-of-life
2028-03-27
Degradation trajectory
SoH history + linear projection to 80.0% end-of-life
observedprojectedEoL
77%82%87%JanFebMarAprMayJunJulEnd-of-life 80%proj. 2028-03-27
APM Agent diagnosis
Idle.
Peak temp39°C
Depth of discharge92%
Internal resistance1.36×
Cycles / day1.76EFC
Maintenance triggers
3 active
Recent thermal excursionhigh
Thermal event 4d ago (peak 66°C). Inspect cooling loop and cell balance.
4d ago
Internal resistance climbingmedium
DC internal resistance up 36% vs beginning-of-life — power fade and heating risk.
+36% R
High charging stresslow
Charging-stress index 86/100 from fast-charge frequency and deep discharge.
86/100
Charge–discharge optimization
engine-generated actions, highest leverage first
Discharge~+100d life
Raise the reserve floor — cap depth-of-discharge near 80% (avg 88%)
Repeated deep discharge accelerates capacity fade. A 10–15% SoC reserve materially slows aging.
Charging~+40d life
Hold depot charge ceiling at 80% SoC unless full range is scheduled
Time spent at high state-of-charge is the dominant calendar-aging driver. Charge-to-need before departure.
Thermal~+140d life
Enable active pre-conditioning and cooling before fast charge; inspect coolant loop
Elevated pack temperatures and thermal excursions were logged. Keeping cells under 35°C during charge cuts fade sharply.
Balancing~+25d life
Schedule cell-balancing and a full capacity test at next service
Rising internal resistance / non-linear fade suggests cell divergence. Balancing recovers usable capacity and flags weak modules.
Thermal event log
19 total · 6 months
DateWhenTriggerPeak temp
2026-07-184d agoHigh load61.0°C
2026-07-175d agoHigh load54.7°C
2026-07-0715d agoHigh load53.5°C
2026-06-2626d agoHigh load63.4°C
2026-06-2329d agoHigh load56.0°C
2026-06-221mo agoFast charge65.9°C