Physical equipment specifications, operational constraints, and capacity envelope
Grid + Battery combined
Low voltage limit (VDE-AR-N 4100)
Cell-level total
Hard minimum state of charge
Tapers above 85%
Total x (Ceiling - Floor) / 100
Power OUT to EV/grid
Power IN from grid/PV
Beginning of simulation day
LFP ~90%, NMC ~88-92%
Total PV plant size
Rest is PPA with supermarket
Cables, inverter, soiling
0 = south
Typical 30 deg for Germany
Charger receives up to
52 kWp
effective peak for charging
Calendar + cycle degradation
250 EUR/kWh cell cost
Hard cap per day
Max Cycles x Usable Capacity
Replacement / Cycle Life
Cost per Cycle / Usable Capacity
96 slots/day at 15 min
1440 time slots per day