OCPP virtual charger
A wall charger that lives in this tab. Plug the car in, tap the card and watch it charge, while every OCPP message goes to a real server.
Testing load balancing? Try the site simulator: several chargers, one grid connection →
Only the battery speeds up: the meter sent to the CSMS always counts the real energy.
It connects to the free askacharge.com test server. You can watch what the server receives, live:
No CSMS? Get a free URL, no account, from the askacharge.com OCPP test server. In a browser it can't send a password (Basic Auth): use a CSMS that accepts the charger without one, or run it from Node.
Got real chargers?
askacharge.com runs them on open standards: your tariffs, payments and sessions, without being tied to any manufacturer. Try it free for 30 days, no card.
Start your 30-day free trial