Rebuilt from the inside out for smarter protection, secure access control, and simplified fleet deployment.
A powerful and versatile Level 2 commercial EV charger designed for fleets, workplaces, and multi-unit residential buildings where drivers charge regularly.
The Watti Pro Lite S improves upon the trusted Pro Lite platform with:
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CableGuard™ cable cut detection with audible alarm
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ThermaGuard™ connector overtemperature protection
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RemoteCore™ Technology for remote monitoring, configuration, and faster troubleshooting
All delivered in a compact, NEMA 4X / IP65-rated enclosure built for year-round performance.
SPECIFICATIONS:
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 Options: 5.5m (18ft) or 7.6m (25ft)
- Installation: Wall-mounted or pedestal-mounted (pedestal sold separately)
- Built-in PEN fault protection, no earthing rod required
Three Charging Modes
- Plug & Play (open access charging)
- RFID-controlled access (offline capable, program up to 100 cards)
- OCPP 1.6 JSON networked operation for CSMS integration
Advanced Protection & Reliability
- CableGuard™ cable cut detection with audible alarm
- ThermaGuard™ connector overtemperature protection
- Ground fault protection, RCD (CCID20), OVP, UVP, OCP, OTP
- NEMA 4X / IP65 enclosure rating
- Operating temperature: -40°C to 50°C
Access & Security
- Offline user access via RFID, NFC, or QR code (includes 2 RFID cards)
- Program up to 100 RFIDs offline without software
- NFC support (ISO/IEC 18092) when networked
- Supports MIFARE, FeliCa, ISO/IEC 14443A/B, ISO/IEC 15693 credential types
- Ideal for workplaces, MURBs, fleets, and controlled-access charging environments
Connectivity & Networking
- WiFi and LAN connectivity (4G optional)
- OCPP 1.6 JSON for CSMS integrations
- Supports smart charging and load balancing
- Open-source compatible for flexible deployments
- OpenADR-ready software compatibility
- RemoteCore™ remote monitoring and diagnostics*
Display & User Interface
- LED indicators for network status and charging status
- Simple plug-and-charge workflow with optional authenticated access
Certifications & Warranty
- cETLus Listed
- UL2594, UL2231-1/-2, FCC
- Energy Star Certified
- NEMA 4X / IP65 enclosure for indoor/outdoor durability
- 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
- FREE 3-month trial included
TECHNICAL DOCUMENTS:
Spec Sheet: English | French
Installation Guide: English | French
