Green Ocean's 120kW DC charger design incorporates active harmonic filtering maintaining THD<8% at full load. The 11kW wallbox features aluminum die-cast housing with passive thermal management. Production processes include automated screw tightening with torque monitoring and hi-pot testing at 2Un+1500V. French municipal deployments demonstrate compatibility with all major backend systems through standardized OCPP implementations. The advanced reporting module processes 10,000+ transactions per second for large network operators.