OCPP heartbeat

Wanlin - China source manufacturer for two-wheeler EV charger market. Featured model WL-SC8 (8-Socket Solar-Ready AC Station): 8 ports, 4.8kW total, battery storage ready; DC 48V/60V auto-detect per port, CC-CV; QR per-kWh + RFID + app + offline whitelist + coin acceptor; OCPP 1.6J; Steel, IP65, IK08. Full lineup: single-socket home chargers, dual-socket des···