A compact, rugged DC fast charger engineered for fleet depots, commercial properties, and high-traffic public sites. Available in 40kW or 60kW, the Watti Direct Gen2 delivers reliable fast charging with a daylight-readable 7" touchscreen, flexible CCS1 + NACS outlet configurations, and broad network compatibility through Ethernet, WiFi, or LTE (4G). Built for outdoor durability and future-ready performance, it supports OCPP smart charging profiles, ISO 15118 Plug & Charge, and over-the-air update capability for long-term scalability.
SPECIFICATIONS:
Power & Performance
- Maximum Power: 40kW or 60kW
- DC Output Voltage Range: 150–1000Vdc (constant power from 300–1000Vdc)
- Efficiency (Peak): ≥94.5%
- Cooling Method: Air-cooled
- Cable Current Rating: 100A (40kW) / 150A (60kW)
Connector Options & Cable Length
- Charging Outlets: CCS1 + NACS (configuration dependent)
- Cable Length: 7.5m (25ft)
Display & User Interface
- Touchscreen: 7" high-contrast touchscreen display
- User Experience: Daylight-readable, intuitive interface
- Status Light Indicators: Multi-color LED status codes
Connectivity & Networking
- Internet Connectivity: Ethernet, Wi-Fi, LTE (4G)
- Backend Support: OCPP 1.6 & OCPP 2.0.1
- Smart Charging: Energy management via OCPP Smart Charging profile
Access & Authentication
- Authentication Options: Plug & Charge, RFID, QR Code
- RFID Standard: ISO 14443 A/B
- Optional payment hardware: internal contactless reader (tap + mobile wallets) or external terminal (insert / swipe / tap)
Safety, Durability & Outdoor Protection
- Enclosure Rating: NEMA 3S
- Vandal Protection: IK10 enclosure, IK08 touchscreen
- Operating Temperature: -4°F to +131°F (de-rating applies from 122°F)
- Operating Altitude: Up to 6560 ft
Standards & Compliance
- Safety Standards: UL2202, UL2231-1, UL2231-2, UL1998, UL991, UL50E
- EMC: FCC Part 15
- EV Communication: DIN 70121 & ISO 15118-2 (ISO 15118-20 OTA update capable)
- Connector Standards: SAE J1772, UL2251
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
Pedestal and Cable Management Sold Separately.
