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© 2026 Flowion ABOrg.nr 559453-0155 · Registered for F-skatt and VAT (moms)hello@flowion.ioOCPP 1.6J · 2.0.1 · 2.1

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  • What a CSMS does
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  1. Supported devices
  2. CTEK
  3. Chargestorm Connected 2

CTEK Chargestorm Connected 2

AC wallbox

Speaks OCPP 1.6J, which Flowion speaks too — so the compatibility question is answered by the protocol. What follows is the part that actually costs you an afternoon: how this box lets you change its CSMS URL, and exactly what is and is not established about it.

Also sold as

  • CS Connected v2

OCPP direct

1.6JSupportedSmart charging unknown

The charging station opens its own WebSocket to Flowion. You configure the CSMS URL on the device and it speaks OCPP to us with nothing in between.

What we commit to
Supported

Connects and runs. For OCPP-direct devices this follows from the protocol: the station speaks a version Flowion speaks. Check the evidence grade for who established that.

What backs it
Verified

This exact hardware was run against Flowion, on a recorded date and firmware version.

Setting the CSMS URL
Vendor portal

Set in the manufacturer's cloud portal. You cannot type a URL into the box; the vendor pushes the setting to it.

Load balancing
Smart charging unknown

Nobody has established whether SetChargingProfile reaches this hardware. Treat it as work to be scoped, not as working.

Run on our bench
2026-08-12
Firmware tested
r4.11.10-0-g87e99e15e
Notes
Our own bench charger — the one piece of hardware in this catalogue that has actually run against Flowion. It reports `CTEK E-Mobility AB` / `CS Connected v2` on the wire, not its marketing name, which is why that alias is listed. Boot, transactions and metering are exercised routinely; charging profiles are not, so smart charging stays unknown rather than being claimed from the same session.

Where this came from

Researched 2026-08-12. This entry is a starting point, not a guarantee: confirm the exact SKU and firmware before you commit to a fleet of them.

  • home-assistant-ocpp.readthedocs.io/en/latest/supported-devices.html
  • www.chargepanel.com/charge-station-vendors

Other CTEK models

  • CTEK Chargestorm Connected
  • CTEK Chargestorm 3

Bring the fleet you already own.

No rip and replace. Point your existing chargers at your organization's URL — and when the hardware isn't in the room, the simulator is.

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