From edefc5ec472d4884e18249677f7c9e4c7991e887 Mon Sep 17 00:00:00 2001
From: Filip Lajszczak <filip@lajszczak.dev>
Date: Mon, 27 Apr 2026 10:57:51 +0000
Subject: [PATCH] inverter: expose fronius modbus charge limit

---
 src/batcontrol/inverter/fronius_modbus/inverter.py     |  1 +
 .../inverter/test_fronius_modbus_inverter.py           | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/src/batcontrol/inverter/fronius_modbus/inverter.py b/src/batcontrol/inverter/fronius_modbus/inverter.py
index e917d42..c772a2f 100644
--- a/src/batcontrol/inverter/fronius_modbus/inverter.py
+++ b/src/batcontrol/inverter/fronius_modbus/inverter.py
@@ -26,6 +26,7 @@ def __init__(
         self.capacity = capacity
         self.min_soc = min_soc
         self.max_soc = max_soc
+        self.max_grid_charge_rate = max_charge_rate
         self.control = FroniusModbusControl(
             transport,
             max_charge_rate=max_charge_rate,
diff --git a/tests/batcontrol/inverter/test_fronius_modbus_inverter.py b/tests/batcontrol/inverter/test_fronius_modbus_inverter.py
index 90a2a18..f54990e 100644
--- a/tests/batcontrol/inverter/test_fronius_modbus_inverter.py
+++ b/tests/batcontrol/inverter/test_fronius_modbus_inverter.py
@@ -112,6 +112,16 @@ def test_inverter_exposes_configured_capacity_limits_for_baseclass_math():
     assert inverter.max_soc == 95
 
 
+def test_inverter_exposes_configured_max_grid_charge_rate():
+    transport = RecordingModbusTransport()
+    inverter = FroniusModbusInverter(
+        transport,
+        max_charge_rate=5000,
+    )
+
+    assert inverter.max_grid_charge_rate == 5000
+
+
 def test_inverter_defaults_to_common_soc_limits():
     transport = RecordingModbusTransport()
     inverter = FroniusModbusInverter(