OCPP 1.6 & 2.0.1 central system
WebSocket protocol engine for real-time meter values, remote start/stop, connector unlocking, smart charging schedules, and firmware updates across distributed chargers.
OCPP 1.6-JOCPP 2.0.1WebSockets
OCPP 1.6-J & 2.0.1Real-time SSE telemetryDigital wallet & POSDracocode SYS-10
VoltGrid EV: smart EV charging network
A multi-tenant electric vehicle charging network control platform developed for US software company Dracocode. Built with full compatibility for OCPP 1.6-J and OCPP 2.0.1 over WebSockets.
OCPP 1.6-J / 2.0.1Django & PythonFlutter (iOS & Android)Server-Sent EventsRFID / NFC & QRDynamic tariffs & POS
Network operations center dashboard
System capabilities
Key modules & functional architecture
Driver portal & live telemetry
Interactive GIS station locator with live connector availability, SSE streaming for power, state of charge, energy, and cost, plus dynamic pricing breakdowns.
SSE streamingSoC & powerGIS map
Network operations center
Multi-tenant hub for charge point operators: fleet supervision, time-of-use tariff matrices, idle fees, error logging, and remote diagnostic reboots.
Multi-tenant CPORemote controlDynamic tariffs
Digital wallet & multi-factor auth
Prepaid wallet with real-time deduction, discount tiers, 2FA, RFID/NFC key fob registration, personal PINs, and dynamic QR authorization.
Prepaid walletRFID / NFC2FA
Flutter mobile app
Cross-platform iOS and Android app with nearby station navigation, connector filters, QR/NFC scan-to-charge, and live charging progress.
FlutterScan-to-chargeLive notifications
On-site POS & payment kiosks
Hardware POS hub for ad-hoc contactless card payments at charging sites without pre-registration.
POS kioskAd-hoc paymentsCard tap
Visual proof
Screenshots & interface gallery
Click any screenshot to open the carousel with full-resolution zoom and pan.
Operator NOC
Network Operations Dashboard
High-level telemetry across all CPO station hubs, live energy delivery, and active revenue.
Operator NOC
Remote Charger Command Center
Direct OCPP control commands: trigger charging, unlock jammed cables, and soft/hard reboot.
Operator NOC
Charger Hardware Diagnostics
Granular specifications: connector ratings, OCPP firmware, heartbeat intervals, and error codes.
Operator NOC
Granular Session Telemetry
Full audit trail of meter value samples, connector voltage, amperage, and transaction cost.
Operator NOC
Charging Hub Configuration
Multi-connector load profiles, location geofences, dynamic pricing matrices, and hours.
POS & Hardware
POS Payment Hub Configuration
Configuring hardware payment kiosks, credit card readers, and instant receipt dispatch.
POS & Hardware
POS Terminal Charger Mapping
Associating contactless payment hardware terminals with individual physical charge points.
POS & Hardware
On-Site Touch Kiosk Interface
Touchscreen terminal view for drivers to select a connector and tap their bank card.
Driver Portal
Public Discovery Portal
Public-facing portal introducing network coverage, charging speeds, and driver benefits.
Driver Portal
Driver Account Dashboard
Personalized dashboard showing prepaid balance, registered vehicles, and quick actions.
Driver Portal
Station Locator & Map
Interactive GIS station map with live connector status (Available, Occupied, Faulted).
Driver Portal
Charging Stations Directory
Comprehensive searchable catalog of hubs with power ratings (kW) and connector types.
Driver Portal
Station Profile & Plug Status
In-depth station view with live connector availability, pricing breakdown, and amenities.
Driver Portal
Live Charging Session Dashboard
Real-time SSE dashboard displaying vehicle battery SoC %, kW charge rate, and live cost.
Driver Portal
Historical Charging Sessions
Historical logs of all past charging sessions with energy consumed (kWh) and receipts.
Driver Portal
Prepaid Wallet & Billing History
Prepaid balance management, auto-reload rules, and monthly invoicing breakdown.
Driver Portal
Driver Profile & RFID Key Fobs
Configuring registered RFID card UIDs, personal charging PIN codes, and vehicle profiles.
Security
Driver Account Authentication
Secure portal entry with role-based redirection to driver or fleet management areas.
Security
Multi-Factor Authentication (2FA)
Enterprise-grade security preventing unauthorized billing charges and account access.
Security
Driver Onboarding & Registration
Streamlined sign-up workflow for new drivers with immediate wallet activation.
Mobile App
Mobile App Home Screen
Cross-platform native experience for quick navigation and one-tap charging.
Mobile App
Nearby Stations Locator
GPS-based station discovery with real-time distance sorting and socket availability.
Mobile App
Mobile Station Details & Plugs
Connector selection, real-time kW rating preview, and one-tap turn-by-turn navigation.
Mobile App
Instant QR & NFC Scanner
Point-and-scan camera reader linking the physical connector to the driver's session.
Mobile App
Mobile Live Charging Session
Live animated progress ring with remote stop trigger and push alerts on completion.
Mobile App
Mobile In-App Digital Wallet
Fast one-tap balance reloads, saved credit card tokens, and instant receipt notifications.
Mobile App
Mobile App Sign-in Screen
Clean mobile authentication with support for biometric login and password recovery.
Mobile App
Mobile Driver Registration
Mobile-optimized onboarding flow enabling fast driver account setup on iOS and Android.
Engineering stack
Full-stack technology architecture
Protocols & IoT
- OCPP 1.6-J & OCPP 2.0.1
- Bi-directional JSON WebSockets
- RFID / NFC key fobs & ISO 14443
- POS card terminal hardware
Backend & APIs
- Python & Django
- Server-Sent Events (SSE)
- Asynchronous workers (Celery)
- Multi-tenant CPO / driver RBAC
Frontends & apps
- Flutter (iOS & Android)
- HTML5, vanilla JS, Bootstrap 5
- Interactive GIS maps
- Touch kiosk standalone view
Data & security
- PostgreSQL (multi-tenant)
- Redis telemetry cache & pub/sub
- Two-factor authentication
- Docker & Kubernetes
Questions
VoltGrid EV, in brief
What is VoltGrid EV?
VoltGrid EV is a multi-tenant electric vehicle charging network control platform with OCPP 1.6-J and OCPP 2.0.1 over WebSockets. It includes a driver portal with live telemetry, digital wallets, dynamic tariffs, a CPO operations console, POS kiosks, and a Flutter mobile app. Anlix built it for Dracocode. Details: https://anlix.dev/work/voltgrid-ev/
Who built VoltGrid EV?
Anlix designed and built VoltGrid EV for US software company Dracocode (portfolio SYS-10). Contact Anlix at [email protected].
Does VoltGrid EV support OCPP 2.0.1?
Yes. VoltGrid EV is built with full compatibility for OCPP 1.6-J and OCPP 2.0.1 over WebSockets, including remote start/stop, connector unlocking, smart charging profiles, and firmware updates.