diff --git a/docs/miners/supported_types.md b/docs/miners/supported_types.md
index 01733a16..1e983e3f 100644
--- a/docs/miners/supported_types.md
+++ b/docs/miners/supported_types.md
@@ -91,6 +91,7 @@ details {
                 <details>
                     <summary><a href="../whatsminer/M3X/#m31s">M31S</a></summary>
                     <summary><a href="../whatsminer/M3X/#m31sv10">M31SV10</a></summary>
+                    <summary><a href="../whatsminer/M3X/#m31sv20">M31SV20</a></summary>
                     <summary><a href="../whatsminer/M3X/#m31sv60">M31SV60</a></summary>
                     <summary><a href="../whatsminer/M3X/#m31sv70">M31SV70</a></summary>
                 </details>
diff --git a/docs/miners/whatsminer/M3X.md b/docs/miners/whatsminer/M3X.md
index 36a7297b..ad6c29d9 100644
--- a/docs/miners/whatsminer/M3X.md
+++ b/docs/miners/whatsminer/M3X.md
@@ -122,6 +122,14 @@
         show_root_heading: false
         heading_level: 4
 
+## M31SV20
+
+::: pyasic.miners.whatsminer.btminer.M3X.M31S.BTMinerM31SV20
+    handler: python
+    options:
+        show_root_heading: false
+        heading_level: 4
+
 ## M31SV60
 
 ::: pyasic.miners.whatsminer.btminer.M3X.M31S.BTMinerM31SV60
diff --git a/pyasic/miners/_backends/bosminer.py b/pyasic/miners/_backends/bosminer.py
index e0985d00..ff0712f7 100644
--- a/pyasic/miners/_backends/bosminer.py
+++ b/pyasic/miners/_backends/bosminer.py
@@ -28,7 +28,7 @@ from pyasic.errors import APIError
 from pyasic.miners.base import BaseMiner
 from pyasic.settings import PyasicSettings
 
-
+#TODO: Fix quota splitting in get data
 class BOSMiner(BaseMiner):
     def __init__(self, ip: str) -> None:
         super().__init__(ip)
diff --git a/pyasic/miners/_types/whatsminer/M3X/M31S.py b/pyasic/miners/_types/whatsminer/M3X/M31S.py
index bd1e2c95..78f3c137 100644
--- a/pyasic/miners/_types/whatsminer/M3X/M31S.py
+++ b/pyasic/miners/_types/whatsminer/M3X/M31S.py
@@ -32,6 +32,14 @@ class M31SV10(BaseMiner):  # noqa - ignore ABC method implementation
         self.nominal_chips = 105
         self.fan_count = 2
 
+class M31SV20(BaseMiner):  # noqa - ignore ABC method implementation
+    def __init__(self, ip: str):
+        super().__init__()
+        self.ip = ip
+        self.model = "M31S V20"
+        self.nominal_chips = 111
+        self.fan_count = 2
+
 class M31SV60(BaseMiner):  # noqa - ignore ABC method implementation
     def __init__(self, ip: str):
         super().__init__()
diff --git a/pyasic/miners/_types/whatsminer/M3X/__init__.py b/pyasic/miners/_types/whatsminer/M3X/__init__.py
index 0a059e29..f2ca04cf 100644
--- a/pyasic/miners/_types/whatsminer/M3X/__init__.py
+++ b/pyasic/miners/_types/whatsminer/M3X/__init__.py
@@ -20,7 +20,7 @@ from .M30S_Plus_Plus import (
     M30SPlusPlusVG40,
     M30SPlusPlusVH60,
 )
-from .M31S import M31S, M31SV10, M31SV60, M31SV70
+from .M31S import M31S, M31SV10, M31SV20, M31SV60, M31SV70
 from .M31S_Plus import (
     M31SPlus,
     M31SPlusV30,
diff --git a/pyasic/miners/miner_factory.py b/pyasic/miners/miner_factory.py
index a030c040..2f6e060d 100644
--- a/pyasic/miners/miner_factory.py
+++ b/pyasic/miners/miner_factory.py
@@ -195,9 +195,10 @@ MINER_CLASSES = {
     "M31S": {
         "Default": BTMinerM31S,
         "BTMiner": BTMinerM31S,
-        "V10": BTMinerM31SV10,
-        "V60": BTMinerM31SV60,
-        "V70": BTMinerM31SV70,
+        "10": BTMinerM31SV10,
+        "20": BTMinerM31SV20,
+        "60": BTMinerM31SV60,
+        "70": BTMinerM31SV70,
     },
     "M31S+": {
         "Default": BTMinerM31SPlus,
diff --git a/pyasic/miners/whatsminer/btminer/M3X/M31S.py b/pyasic/miners/whatsminer/btminer/M3X/M31S.py
index 5367cea9..f1483517 100644
--- a/pyasic/miners/whatsminer/btminer/M3X/M31S.py
+++ b/pyasic/miners/whatsminer/btminer/M3X/M31S.py
@@ -13,7 +13,7 @@
 #  limitations under the License.
 
 from pyasic.miners._backends import BTMiner  # noqa - Ignore access to _module
-from pyasic.miners._types import M31S, M31SV10, M31SV60, M31SV70  # noqa - Ignore access to _module
+from pyasic.miners._types import M31S, M31SV10, M31SV20, M31SV60, M31SV70  # noqa - Ignore access to _module
 
 
 class BTMinerM31S(BTMiner, M31S):
@@ -21,6 +21,11 @@ class BTMinerM31S(BTMiner, M31S):
         super().__init__(ip)
         self.ip = ip
 
+class BTMinerM31SV20(BTMiner, M31SV20):
+    def __init__(self, ip: str) -> None:
+        super().__init__(ip)
+        self.ip = ip
+
 
 class BTMinerM31SV10(BTMiner, M31SV10):
     def __init__(self, ip: str) -> None:
diff --git a/pyasic/miners/whatsminer/btminer/M3X/__init__.py b/pyasic/miners/whatsminer/btminer/M3X/__init__.py
index e4ca7e23..662d25a0 100644
--- a/pyasic/miners/whatsminer/btminer/M3X/__init__.py
+++ b/pyasic/miners/whatsminer/btminer/M3X/__init__.py
@@ -31,7 +31,7 @@ from .M30S_Plus_Plus import (
     BTMinerM30SPlusPlusVG40,
     BTMinerM30SPlusPlusVH60,
 )
-from .M31S import BTMinerM31S, BTMinerM31SV10, BTMinerM31SV60, BTMinerM31SV70
+from .M31S import BTMinerM31S, BTMinerM31SV10, BTMinerM31SV20, BTMinerM31SV60, BTMinerM31SV70
 from .M31S_Plus import (
     BTMinerM31SPlus,
     BTMinerM31SPlusV30,