load balancing OCPP

Wanlin - China source manufacturer for songthaew charging station. Featured model WL-SC1 (Single-Socket Home AC Charger): 3.3kW rated, 4.0kW peak; DC 48V/60V auto-select, CC-CV charging curve, up to 55A at 60V; QR scan-to-charge + RFID card + app remote start; OCPP 1.6J (JSON over WebSocket); ABS+PC flame-retardant housing, IP54. Full lineup: single-socket h···