OCPP session management

Wanlin - China source manufacturer for OCPP session management. Featured model WL-SC4 (4-Socket Community AC Hub): 4 ports sharing 3.3kW input (825W per port sustained); DC 48V/60V/72V selectable per port, CC-CV; QR per-kWh billing + RFID + app wallet; OCPP 1.6J; ABS+PC flame-retardant, IP54 indoor / IP65 outdoor option. Full lineup: single-socket home charg···