PEM Fuel Cell Stack: Polarization, Efficiency & Water
Wired White v2 Size a PEM fuel cell stack or check an existing one. Plot polarization and power, calculate HHV/LHV efficiency, hydrogen and air demand, and cathode water balance.
#efficiency
Wired White v2 
DC Motor Design Tool: Speed, Torque and Efficiency
Wired White v2 Calculate brushed DC motor speed, torque, current and efficiency from datasheet or winding data. Explore operating curves, voltage sizing, field estimates and commutation.
BESS Sizing Calculator: Battery Capacity and PCS Design
Wired White v2 Size a BESS for PV self-consumption, peak shaving or backup. Calculate battery kWh, PCS kW and kVA, C-rate limits, efficiency losses and end-of-life capacity.