OCPP 1.6 firmware update

Wanlin - China source manufacturer for customizable charging rate. Featured model WL-SC8 (8-Socket Solar-Ready AC Station): 8 ports, 11kW total, solar DC input option; DC 48V/60V/72V/96V/120V auto-detect per port, CC-CV; QR per-kWh + RFID + app, offline whitelist fallback; OCPP 1.6J; Steel, IP65, IK10. Full lineup: single-socket home chargers, dual-socket de···