EcoFlow PowerOcean / PowerOcean Plus

Summary Adds a third, separate connection type for a three-phase PowerOcean: Local (Modbus/TCP). It reads the inverter over the local network with no EcoFlow account and no cloud, read-only. EcoFlow support has to enable Modbus on the inverter first. - New client `ecoflow/modbus_local.py` (function code 3 only, one short connection per poll, word-swapped 32-bit values, base address 40001) and parser `ecoflow/parsers/powerocean_modbus.py`. - Own lean coordinator, 10 s poll, unavailable after three failed polls, no reauthentication (the entry holds no credentials). The serial is checked on the …

Excerpt saved from GitHub on 2026-10-23.

This PR adds support for the PowerOcean and PowerOcean Plus home storage systems, building on the work @andyrozman did in his own fork. These devices speak a message set none of the existing families use: the standard models report through `jt_s1_sys` and the Plus through `re307_sys`, and both send their state as several separate reports keyed by command id rather than one heartbeat, so the device classes dispatch on that id and merge whichever report arrived. Full list of changes: - `PowerOceanBase` plus a class per model. - Battery packs become indexed field groups, one set per pack: level, …

Excerpt saved from GitHub on 2026-10-23.