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How to change the OCPP server URL on a Vestel charger

A Vestel charger that speaks standard OCPP can be connected to any platform by changing one setting. Here is where that setting lives on EVC04 (AC7, AC11, AC22; also Home Smart and other-brand units built on the EVC04), exactly what to enter, and where people usually get stuck. Written by a platform (askacharge.com), but the procedure works for any.

askacharge.com · OCPP guides by brand · 17 September 2026

Where the setting lives

In the charger's web interface, under OCPP settings. You reach it through the charger's own Wi-Fi hotspot (name, password and IP on the label attached to the quick guide; on older units 192.168.1.1) or by Ethernet cable (192.168.0.10). Username and password are also on the label; on older units admin/admin, and newer ones force you to change it on first login.

Step by step

  1. Connect your phone or laptop to the charger's hotspot (it stays up a few minutes after power-on; you can extend it under Network Settings) and open the IP from the label in the browser. On Android/iOS request the "desktop site".
  2. Log in with the username and password from the label. The first time it asks you to change the password: write it down.
  3. OCPP settings → OCPP Connection: Enabled. OCPP Version: 1.6 (the only one).
  4. Connection Settings: Central System Address = your brand's base URL (below), without the identity; Charge Point ID = the identity you register in the panel (the serial number is the convenient choice). Both are required to save.
  5. OCPP Configuration Parameters: SecurityProfile = 2 and AuthorizationKey = the password the panel gave you when you added the charger. Leave OCPP Ciphers Support at the standard value.
  6. Save. Then Network Interfaces → connect the charger to your Wi-Fi or Ethernet, save and reboot. It shows as connected in the panel within a minute.

What to enter to connect it to askacharge.com

OCPP server URLwss://askacharge.com/askacharge/ocpp/your-brandyour-brand is your brand's identifier on askacharge.com (shown under Chargers → Add, with the full URL ready to copy). The charger appends its own identity; if your unit only has a URL field and no identity field, enter the full URL: …/ocpp/your-brand/identity.
Charge point identityThe same one you register in the panel when adding the charger. Case-sensitive. With Vestel, the serial number is the easiest choice.
Username and passwordRequired. The username is the charger identity and the password is the one the panel shows when you add the charger (shown once; if lost, generate a new one from the charger's page). Without it the server rejects the connection. This is OCPP Security Profile 2 (Basic Auth over wss://); there is no unencrypted or password-less path.
ProtocolOCPP 1.6J (JSON) or OCPP 2.0.1. Subprotocol ocpp1.6 / ocpp2.0.1.
Before connectingThe charger must be registered in the brand with that identity; otherwise the server rejects the connection. Register under Chargers → Add.

Where it usually fails

If your brand isn't here

The procedure is always the same; what changes is where the setting lives: look in the manufacturer's app, in the charger's web interface (by its IP) or in the installer software for a section called OCPP, Back office, Central System or Server. You need to be able to enter the URL and, nearly always, the identity. If the field is locked or missing, the manufacturer has tied the charger to its own platform: read what to do when the manufacturer locks or switches off its server.

Other brands

Related reading

Sources

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