diff --git a/tests/fixtures.py b/tests/fixtures.py
index 569139f..ae24ea0 100644
--- a/tests/fixtures.py
+++ b/tests/fixtures.py
@@ -6,6 +6,7 @@
 import solax.inverters as inverter
 from tests.samples.expected_values import (
     QVOLTHYBG33P_VALUES,
+    QVOLTHYBG33P_VALUES_V3_15,
     X1_BOOST_VALUES,
     X1_BOOST_VALUES_OVERFLOWN,
     X1_HYBRID_G4_VALUES,
@@ -26,6 +27,7 @@
 )
 from tests.samples.responses import (
     QVOLTHYBG33P_RESPONSE_V34,
+    QVOLTHYBG33P_RESPONSE_V3_15,
     X1_BOOST_AIR_MINI_RESPONSE,
     X1_BOOST_RESPONSE,
     X1_BOOST_RESPONSE_OVERFLOWN,
@@ -265,6 +267,16 @@ def simple_http_fixture(httpserver):
         headers=None,
         data=None,
     ),
+    InverterUnderTest(
+        uri="/",
+        method="POST",
+        query_string="",
+        response=QVOLTHYBG33P_RESPONSE_V3_15,
+        inverter=inverter.QVOLTHYBG33P,
+        values=QVOLTHYBG33P_VALUES_V3_15,
+        headers=None,
+        data=None,
+    ),
     InverterUnderTest(
         uri="/",
         method="POST",
diff --git a/tests/samples/expected_values.py b/tests/samples/expected_values.py
index bccbaf4..57dee93 100644
--- a/tests/samples/expected_values.py
+++ b/tests/samples/expected_values.py
@@ -498,6 +498,49 @@
     "Battery Operation mode": "Self Use Mode",
 }
 
+QVOLTHYBG33P_VALUES_V3_15 = {
+    "Network Voltage Phase 1": 221.4,
+    "Network Voltage Phase 2": 223.8,
+    "Network Voltage Phase 3": 225.1,
+    "Output Current Phase 1": 1.1,
+    "Output Current Phase 2": 1.0,
+    "Output Current Phase 3": 1.2,
+    "Power Now Phase 1": 162.0,
+    "Power Now Phase 2": 136.0,
+    "Power Now Phase 3": 146.0,
+    "AC Power": 444.0,
+    "PV1 Voltage": 566.2,
+    "PV2 Voltage": 568.2,
+    "PV1 Current": 1.8,
+    "PV2 Current": 1.7,
+    "PV1 Power": 1050.0,
+    "PV2 Power": 977.0,
+    "Grid Frequency Phase 1": 50.02,
+    "Grid Frequency Phase 2": 50.01,
+    "Grid Frequency Phase 3": 50.02,
+    "Inverter Operation mode": "Normal",
+    "Exported Power": -7.0,
+    "Battery Voltage": 323.4,
+    "Battery Current": 5.0,
+    "Battery Power": 1616.0,
+    "Power Now": 451.0,
+    "Total Energy": 219.0,
+    "Total Battery Discharge Energy": 73.8,
+    "Total Battery Charge Energy": 90.4,
+    "Today's Battery Discharge Energy": 0.0,
+    "Today's Battery Charge Energy": 8.1,
+    "Total PV Energy": 231.6,
+    "Today's Energy": 11.8,
+    "Total Feed-in Energy": 107.94,
+    "Total Consumption": 145.44,
+    "Today's Feed-in Energy": 1.66,
+    "Today's Consumption": 4.66,
+    "Battery Remaining Capacity": 95.0,
+    "Battery Temperature": 35.0,
+    "Battery Remaining Energy": 8.8,
+    "Battery Operation mode": "Self Use Mode",
+}
+
 X1_HYBRID_G4_VALUES = {
     "AC voltage R": 247.0,
     "AC current": 1.1,
diff --git a/tests/samples/responses.py b/tests/samples/responses.py
index 4f04971..f73c69e 100644
--- a/tests/samples/responses.py
+++ b/tests/samples/responses.py
@@ -3547,3 +3547,312 @@
     ],
     "Information": [12.0, 14, "H34XXXXXXXX", 1, 1.15, 0.0, 1.14, 1.07, 0.0, 1],
 }
+
+QVOLTHYBG33P_RESPONSE_V3_15 = {
+    "sn": "SQXXXXXXXX",
+    "ver": "3.015.02",
+    "type": 14,
+    "Data": [
+        2214,
+        2238,
+        2251,
+        11,
+        10,
+        12,
+        162,
+        136,
+        146,
+        444,
+        5662,
+        5682,
+        18,
+        17,
+        1050,
+        977,
+        5002,
+        5001,
+        5002,
+        2,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        65529,
+        65535,
+        0,
+        0,
+        0,
+        32340,
+        500,
+        1616,
+        3236,
+        50,
+        1618,
+        1,
+        50,
+        451,
+        256,
+        3841,
+        4875,
+        5634,
+        100,
+        0,
+        45,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        2190,
+        0,
+        36,
+        1,
+        0,
+        1,
+        738,
+        0,
+        904,
+        0,
+        0,
+        81,
+        2316,
+        0,
+        118,
+        0,
+        0,
+        0,
+        10794,
+        0,
+        14544,
+        0,
+        166,
+        0,
+        466,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        95,
+        1,
+        35,
+        88,
+        256,
+        3504,
+        2400,
+        115,
+        300,
+        352,
+        325,
+        34,
+        34,
+        8,
+        1620,
+        773,
+        12850,
+        12850,
+        12850,
+        0,
+        0,
+        0,
+        3389,
+        3384,
+        33876,
+        2,
+        20564,
+        12339,
+        18497,
+        12599,
+        18743,
+        12356,
+        14386,
+        20564,
+        12339,
+        18498,
+        12600,
+        18740,
+        12356,
+        12855,
+        20564,
+        12339,
+        18498,
+        12600,
+        18740,
+        12612,
+        14642,
+        20564,
+        12339,
+        18498,
+        12600,
+        18740,
+        12356,
+        13877,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        3843,
+        2306,
+        1282,
+        257,
+        0,
+        32340,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+    ],
+    "Information": [12.000, 1, "HXXXXXXXXXXXXX", 1, 1.01, 0.00, 1.01, 1.01, 0.00, 1],
+}