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Home Assistant TestFlight
United Chargers

Grizzl-E Smart v2

Energy · And More

Not working

1 report: 1 says it doesn’t work.

Reported with 1 integration: Open Charge Point Protocol (OCPP).

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Open Charge Point Protocol (OCPP)Not workingSensors unavailable, supported profiles never returned; maintainer blames buggy firmware
Saved copy
Describe the bug Grizzl-e Smart v2 does not work with the OCPP integration version 0.4.40 Firmware WiFi Module: GWM-07.013-03 Firmware Power Board: GCW-10.18-05.7 To Reproduce Upon configuring the Grizzl-e, it connects and has the following errors in the HA logs: ``` This error originated from a custom integration. Logger: custom_components.ocpp Source: custom_components/ocpp/api.py:212 Integration: Open Charge Point Protocol (OCPP) (documentation, issues) First occurred: September 7, 2023 at 5:42:35 PM (9 occurrences) Last logged: 9:29:52 AM Skipping websocket subprotocol validation This …

Excerpt saved from GitHub on 2026-10-23.

Issue #899 · 2023-09

Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.

In ReReHome

Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.

Identifiers

BrandUnited Chargers
ModelGrizzl-E Smart v2
CategoryEnergy