Watti Pro Lite S — 4G Hotspot Mode

A flexible, data cost-saving connectivity solution for commercial charging sites, workplaces, and multi-unit residential buildings with limited or unreliable WiFi. The Watti Pro Lite S with 4G Hotspot Mode allows one primary charger to connect to the cellular network and securely share that connection with multiple Watti Pro Lite S chargers within range. This eliminates the need for a separate SIM card and data plan on each station, dramatically reducing recurring data costs while maintaining reliable OCPP communication for payments, monitoring, and smart charging control. Ideal for locations where installing WiFi or hardwired networking is costly, inconsistent, or impractical. The Watti Pro Lite S improves upon the trusted Pro Lite platform with: DirectConnect™ station hotspot for lightning-fast commissioning CableGuard™ cable cut detection with audible alarm ThermaGuard™ connector overtemperature protection RemoteCore™ Technology for remote monitoring, configuration, and faster troubleshooting SPECIFICATIONS: Key Benefits Data Cost Savings: Consolidate network connectivity into a single 4G plan Enhanced Deployment Flexibility: Install chargers in remote or hard-to-network areas Scalable Solution: Add multiple chargers within range without increasing connectivity costs Effortless Installation: Simple setup requiring minimal technical support Secure Network Encryption: 4G security protocols protect data during transmission Power & Performance Charging Output: Up to 48A (11.5 kW at 240V / 10 kW at 208V) Hardware/Software Adjustable: 12A / 16A / 20A / 24A / 28A / 32A / 40A / 48A Connector Options: SAE J1772 or J3400 (NACS) Cable Length Options: 7.6m (25ft) or 5.5m (18ft) Installation: Wall mount or pedestal mount (pedestal sold separately) Built-in PEN fault protection — no earthing rod required 4G Hotspot Connectivity Primary charger operates using a 4G data plan Additional chargers (within range) connect to the primary unit over WiFi Eliminates the need for multiple SIM cards and data plans Ensures stable OCPP communication for billing, monitoring, and remote management Provides a reliable network solution where WiFi or LAN is unavailable Optional data plans available for turnkey deployment Access & Security Supports RFID, QR Code, and NFC authorization Program up to 100 RFIDs offline (2 included) Supports mobile app authorization when connected to Enterprise Software Supports MIFARE, FeliCa, ISO/IEC 14443A/B, ISO/IEC 15693 credentials Connectivity & Networking 4G / WiFi / LAN SIM/USIM card slot 4G LTE antenna + WiFi antenna OCPP 1.6 JSON Open-source compatible Display & User Interface LED indicators for network status and charging status Easy plug-and-charge operation with optional authenticated user access Certifications & Warranty cETLus Listed UL2594, UL2231-1/-2, FCC Energy Star Certified NEMA 4X / IP65 weatherproof enclosure Operating Temperature: -40°C to 50°C 3-Year Manufacturer Warranty SOFTWARE COMPATIBILITY: Add Intelligence and Charging-as-a-Service (CaaS) with Enterprise Software Pair with Enterprise Software to unlock full monetization and backend control: Payment collection and automated revenue payouts Tariff management and user group permissions Real-time diagnostics, alerts, and monitoring Robust usage and revenue reporting Centralized management for single or multi-site locations TECHNICAL DOCUMENTS: Spec Sheet: English | French Installation Guide: English | French