diff --git a/setup.py b/setup.py
index 515608c..f50e90c 100644
--- a/setup.py
+++ b/setup.py
@@ -33,6 +33,7 @@
     entry_points={
         "solax.inverter": [
             "qvolt_hyb_g3_3p = solax.inverters.qvolt_hyb_g3_3p:QVOLTHYBG33P",
+            "qvolt_hyb_g3_1p = solax.inverters.qvolt_hyb_g3_1p:QVOLTHYBG31P",
             "x1 = solax.inverters.x1:X1",
             "x1_boost = solax.inverters.x1_boost:X1Boost",
             "x1_hybrid_gen4 = solax.inverters.x1_hybrid_gen4:X1HybridGen4",
diff --git a/solax/inverters/__init__.py b/solax/inverters/__init__.py
index 883e9d3..d740c76 100644
--- a/solax/inverters/__init__.py
+++ b/solax/inverters/__init__.py
@@ -1,3 +1,4 @@
+from .qvolt_hyb_g3_1p import QVOLTHYBG31P
 from .qvolt_hyb_g3_3p import QVOLTHYBG33P
 from .x1 import X1
 from .x1_boost import X1Boost
@@ -13,6 +14,7 @@
 
 __all__ = [
     "QVOLTHYBG33P",
+    "QVOLTHYBG31P",
     "XHybrid",
     "X1",
     "X1Mini",
diff --git a/solax/inverters/qvolt_hyb_g3_1p.py b/solax/inverters/qvolt_hyb_g3_1p.py
new file mode 100644
index 0000000..54899dd
--- /dev/null
+++ b/solax/inverters/qvolt_hyb_g3_1p.py
@@ -0,0 +1,172 @@
+from typing import Any, Dict, Optional
+
+import voluptuous as vol
+
+from solax.inverter import Inverter, InverterHttpClient
+from solax.units import DailyTotal, Measurement, Total, Units
+from solax.utils import (
+    div10,
+    div100,
+    div1000,
+    pack_u16,
+    to_signed,
+    twoway_div10,
+    twoway_div100,
+)
+
+
+class QVOLTHYBG31P(Inverter):
+    """
+    QCells
+    Q.VOLT HYB-G3-1P
+    """
+
+    class Processors:
+        """
+        Postprocessors used only in the QVOLTHYBG31P inverter sensor_map.
+        """
+
+        # pylint: disable=duplicate-code
+        @staticmethod
+        def inverter_modes(value):
+            return {
+                0: "Waiting",
+                1: "Checking",
+                2: "Normal",
+                3: "Off",
+                4: "Permanent Fault",
+                5: "Updating",
+                6: "EPS Check",
+                7: "EPS Mode",
+                8: "Self Test",
+                9: "Idle",
+                10: "Standby",
+            }.get(value, f"unmapped value '{value}'")
+
+        # pylint: disable=duplicate-code
+        @staticmethod
+        def battery_modes(value):
+            return {
+                0: "Self Use Mode",
+                1: "Force Time Use",
+                2: "Back Up Mode",
+                3: "Feed-in Priority",
+            }.get(value, f"unmapped value '{value}'")
+
+    def __init__(self, http_client: InverterHttpClient, *args, **kwargs):
+        super().__init__(http_client, *args, **kwargs)
+        self.manufacturer = "Qcells"
+
+    # pylint: disable=duplicate-code
+    _schema = vol.Schema(
+        {
+            vol.Required("type"): vol.All(int, 15),
+            vol.Required("sn"): str,
+            vol.Required("ver"): str,
+            vol.Required("data"): vol.Schema(
+                vol.All(
+                    [vol.Coerce(float)],
+                    vol.Length(min=200, max=200),
+                )
+            ),
+            vol.Required("information"): vol.Schema(
+                vol.All(vol.Length(min=10, max=10))
+            ),
+        },
+        extra=vol.REMOVE_EXTRA,
+    )
+
+    @classmethod
+    def response_decoder(cls):
+        return {
+            "Network Voltage": (0, Units.V, div10),
+            "Inverter output current": (1, Units.A, twoway_div10),
+            "Inverter output power": (2, Units.W, to_signed),
+            "Grid Frequency": (3, Units.HZ, div100),
+            "PV1 Voltage": (4, Units.V, div10),
+            "PV2 Voltage": (5, Units.V, div10),
+            "PV1 Current": (6, Units.A, div10),
+            "PV2 Current": (7, Units.A, div10),
+            "PV1 Power": (8, Units.W),
+            "PV2 Power": (9, Units.W),
+            "Inverter status": (10, Units.NONE, cls.Processors.inverter_modes),
+            "Total inverter yield": (pack_u16(11, 12), Total(Units.KWH), div10),
+            "Today's inverter yield": (13, DailyTotal(Units.KWH), div10),
+            "Battery Voltage": (14, Units.V, div100),
+            "Battery Current": (15, Units.A, twoway_div100),
+            "Battery Power": (16, Units.W, to_signed),
+            "Battery Temperature": (17, Units.C),
+            "Battery Remaining Capacity": (18, Units.PERCENT),
+            "Total battery discharged energy": (
+                pack_u16(19, 20),
+                Total(Units.KWH),
+                div10,
+            ),
+            "Total battery charged energy": (pack_u16(21, 22), Total(Units.KWH), div10),
+            "Battery Remaining Energy": (
+                23,
+                Measurement(Units.KWH, storage=True),
+                div10,
+            ),
+            # 24: always 100. probably 10.0%, minimum charge left before switching to grid
+            # 25: always 0
+            # 26-27: jumping around
+            # 28-31: always 0
+            "Current grid power": (32, Units.W, to_signed),
+            # 33: if [32] > 32767 : 65535 ? 0
+            "Total grid export": (pack_u16(34, 35), Total(Units.KWH), div100),
+            "Total grid import": (pack_u16(36, 37), Total(Units.KWH), div100),
+            "Current power usage": (38, Units.W, to_signed),
+            # 39: observed range 0-38. something about the inverter
+            # 40: 256 when inverter is running, 0 when it's idle
+            # 41-42: fixed values
+            # 43-49: no idea, varying values
+            # 50-51: always 1. possibly an inverter setting
+            # 52: idk, max 4, min 0
+            # 53: always 0
+            "Total self-used solar": (pack_u16(54, 55), Total(Units.KWH), div10),
+            # 56-57: 32 bit pack? mostly negative, went positive briefly
+            # 58-59: 32 bit pack? always negative, between -144 and -175
+            # 60-69: always 0
+            # 70: fluctuates quite wildly
+            # 72-73: 32 bit pack?
+            # 74-77: fixed values
+            "Today's grid export": (pack_u16(78, 79), DailyTotal(Units.KWH), div100),
+            "Today's grid import": (pack_u16(80, 81), DailyTotal(Units.KWH), div100),
+            # 82-84: always 0
+            "Today's solar yield": (85, DailyTotal(Units.KWH), div10),
+            # 86: something daily
+            # 87: something else daily
+            # 88-89: always 0
+            # 90: min 350, max 360
+            # 91: always 0
+            # 92: always 230
+            # 93-95: something daily
+            # 97-98: always 0
+            # 99-100: weird counter. rtc?
+            # 101-109: fixed values
+            # 110: battery type!?
+            # 111-115: mysterious stuff
+            "Total battery energy throughput": (
+                pack_u16(116, 117),
+                Measurement(Units.KWH, storage=True),
+                div1000,
+            ),
+            # 118-124: BMS serial number, ASCII, little-endian, 2 chars per register
+            # 125-131: Battery 1 serial number, ASCII, little-endian, 2 chars per register
+            # 132-138: Battery 2 serial number, ASCII, little-endian, 2 chars per register
+            # 139-145: Battery 3 serial number, ASCII, little-endian, 2 chars per register
+            # 146-152: Battery 4 serial number, ASCII, little-endian, 2 chars per register
+            # 153-156: ???
+            "Battery Operation mode": (157, Units.NONE, cls.Processors.battery_modes),
+            # 158 - 199: always 0
+        }
+
+    @classmethod
+    def inverter_serial_number_getter(cls, response: Dict[str, Any]) -> Optional[str]:
+        return response["information"][2]
+
+    @classmethod
+    def build_all_variants(cls, host, port, pwd=""):
+        versions = [cls._build(host, port, pwd, False)]
+        return versions
diff --git a/solax/inverters/qvolt_hyb_g3_3p.py b/solax/inverters/qvolt_hyb_g3_3p.py
index 5bda4ee..0194c8c 100644
--- a/solax/inverters/qvolt_hyb_g3_3p.py
+++ b/solax/inverters/qvolt_hyb_g3_3p.py
@@ -18,6 +18,7 @@ class Processors:
         Postprocessors used only in the QVOLTHYBG33P inverter sensor_map.
         """
 
+        # pylint: disable=duplicate-code
         @staticmethod
         def inverter_modes(value):
             return {
@@ -34,6 +35,7 @@ def inverter_modes(value):
                 10: "Standby",
             }.get(value, f"unmapped value '{value}'")
 
+        # pylint: disable=duplicate-code
         @staticmethod
         def battery_modes(value):
             return {
@@ -47,6 +49,7 @@ def __init__(self, http_client: InverterHttpClient, *args, **kwargs):
         super().__init__(http_client, *args, **kwargs)
         self.manufacturer = "Qcells"
 
+    # pylint: disable=duplicate-code
     _schema = vol.Schema(
         {
             vol.Required("type"): vol.All(int, 14),
diff --git a/solax/units.py b/solax/units.py
index eab9cbf..58cd0a8 100644
--- a/solax/units.py
+++ b/solax/units.py
@@ -9,6 +9,7 @@ class Units(Enum):
 
     W = "W"
     KWH = "kWh"
+    WH = "Wh"
     A = "A"
     V = "V"
     C = "°C"
diff --git a/solax/utils.py b/solax/utils.py
index f2a884f..3d29155 100644
--- a/solax/utils.py
+++ b/solax/utils.py
@@ -62,6 +62,10 @@ def div100(val):
     return val / 100
 
 
+def div1000(val):
+    return val / 1000
+
+
 INT16_MAX = 0x7FFF
 INT32_MAX = 0x7FFFFFFF
 
diff --git a/tests/fixtures.py b/tests/fixtures.py
index 3983bfb..4a05d66 100644
--- a/tests/fixtures.py
+++ b/tests/fixtures.py
@@ -4,6 +4,7 @@
 
 import solax.inverters as inverter
 from tests.samples.expected_values import (
+    QVOLTHYBG31P_VALUES,
     QVOLTHYBG33P_VALUES,
     X1_BOOST_VALUES,
     X1_BOOST_VALUES_OVERFLOWN,
@@ -23,6 +24,7 @@
     XHYBRID_VALUES,
 )
 from tests.samples.responses import (
+    QVOLTHYBG31P_RESPONSE,
     QVOLTHYBG33P_RESPONSE_V34,
     X1_BOOST_AIR_MINI_RESPONSE,
     X1_BOOST_RESPONSE,
@@ -262,6 +264,16 @@ def simple_http_fixture(httpserver):
         headers=None,
         data="optType=ReadRealTimeData",
     ),
+    InverterUnderTest(
+        uri="/",
+        method="POST",
+        query_string="",
+        response=QVOLTHYBG31P_RESPONSE,
+        inverter=inverter.QVOLTHYBG31P,
+        values=QVOLTHYBG31P_VALUES,
+        headers=None,
+        data=None,
+    ),
 ]
 
 
diff --git a/tests/samples/expected_values.py b/tests/samples/expected_values.py
index 4af3422..532d752 100644
--- a/tests/samples/expected_values.py
+++ b/tests/samples/expected_values.py
@@ -521,3 +521,37 @@
     "Total feed-in energy": 286.7,
     "Total consumption": 6.2,
 }
+
+QVOLTHYBG31P_VALUES = {
+    "Network Voltage": 238.1,
+    "Inverter output current": 10.0,
+    "Inverter output power": 2372,
+    "Grid Frequency": 50.04,
+    "PV1 Voltage": 241.5,
+    "PV2 Voltage": 240.3,
+    "PV1 Current": 7.6,
+    "PV2 Current": 7.7,
+    "PV1 Power": 1839,
+    "PV2 Power": 1862,
+    "Inverter status": "Normal",
+    "Total inverter yield": 1925.2,
+    "Today's inverter yield": 0.6,
+    "Battery Voltage": 322.80,
+    "Battery Current": 3.8,
+    "Battery Power": 1252,
+    "Battery Temperature": 25,
+    "Battery Remaining Capacity": 96,
+    "Total battery discharged energy": 331.6,
+    "Total battery charged energy": 444.6,
+    "Battery Remaining Energy": 8.9,
+    "Current grid power": -180,
+    "Total grid export": 1179.00,
+    "Total grid import": 16.83,
+    "Current power usage": 940,
+    "Total self-used solar": 2105.0,
+    "Today's grid export": 0.10,
+    "Today's grid import": 1.63,
+    "Today's solar yield": 8.3,
+    "Total battery energy throughput": 1398.396,
+    "Battery Operation mode": "Feed-in Priority",
+}
diff --git a/tests/samples/responses.py b/tests/samples/responses.py
index 0e4078f..f862f2d 100644
--- a/tests/samples/responses.py
+++ b/tests/samples/responses.py
@@ -3239,3 +3239,212 @@
     ],
     "Information": [12.0, 14, "H34XXXXXXXX", 1, 1.15, 0.0, 1.14, 1.07, 0.0, 1],
 }
+
+QVOLTHYBG31P_RESPONSE = {
+    "sn": "SXKXXXXXXX",
+    "ver": "3.001.03",
+    "type": 15,
+    "Data": [
+        2381,
+        100,
+        2372,
+        5004,
+        2415,
+        2403,
+        76,
+        77,
+        1839,
+        1862,
+        2,
+        19252,
+        0,
+        6,
+        32280,
+        380,
+        1252,
+        25,
+        96,
+        3316,
+        0,
+        4446,
+        0,
+        89,
+        100,
+        0,
+        29,
+        3688,
+        0,
+        0,
+        0,
+        0,
+        65356,
+        65536,
+        52364,
+        1,
+        1683,
+        0,
+        940,
+        34,
+        256,
+        3504,
+        2400,
+        78,
+        300,
+        257,
+        234,
+        35,
+        34,
+        86,
+        1,
+        1,
+        4,
+        0,
+        21050,
+        0,
+        63163,
+        65535,
+        65386,
+        65535,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        2644,
+        0,
+        60659,
+        65535,
+        3600,
+        0,
+        61936,
+        65535,
+        10,
+        0,
+        163,
+        0,
+        0,
+        0,
+        0,
+        83,
+        0,
+        79,
+        0,
+        0,
+        360,
+        0,
+        230,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        13588,
+        1035,
+        5643,
+        1620,
+        778,
+        14135,
+        14135,
+        14135,
+        0,
+        0,
+        0,
+        1,
+        3253,
+        34,
+        1106,
+        3490,
+        3384,
+        22140,
+        21,
+        20564,
+        12339,
+        18497,
+        12866,
+        18736,
+        12356,
+        13105,
+        20564,
+        12339,
+        18498,
+        12355,
+        18740,
+        12356,
+        13873,
+        20564,
+        12339,
+        18498,
+        12866,
+        18740,
+        12356,
+        12849,
+        20564,
+        12339,
+        18754,
+        12849,
+        18742,
+        13124,
+        12338,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        4099,
+        5633,
+        1026,
+        3,
+        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": [6.000, 15, "H460XXXXXXXXXX", 8, 1.29, 0.00, 1.27, 1.03, 0.00, 1],
+}