diff --git a/CHANGELOG.md b/CHANGELOG.md
index c68129c06..158ea7f58 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ All notable changes to this project will be documented in this file.
 - Berry `math.min()` and `math.max()` (#21705)
 - Berry `FUNC_ANY_KEY` event calling `any_key()` (#21708)
 - Berry `FUNC_BUTTON_MULTI_PRESSED` event and make `FUNC_BUTTON_PRESSED` called only on state changes and once per second (#21711)
+- Support for Sonoff POWCT Ring (#21131)
 
 ### Breaking Changed
 
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index b6380efb2..00b2eb0b4 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -123,6 +123,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 ### Added
 - Support for QMP6988 temperature and pressure sensor
 - Support for Sonoff WTS01 temperature sensor using SerialBridge in ``SSerialMode 3``
+- Support for Sonoff POWCT Ring [#21131](https://github.com/arendst/Tasmota/issues/21131)
 - Extend command ``SetOption147 1`` to disable publish of IRReceived MQTT messages [#21574](https://github.com/arendst/Tasmota/issues/21574)
 - ESP32 support for power and energy limit checks, like ``MaxEnergy2`` per phase [#21695](https://github.com/arendst/Tasmota/issues/21695)
 - Berry solidification of `bytes` instances [#21558](https://github.com/arendst/Tasmota/issues/21558)
diff --git a/tasmota/tasmota_xdrv_driver/xdrv_87_esp32_sonoff_tm1621.ino b/tasmota/tasmota_xdrv_driver/xdrv_87_esp32_sonoff_tm1621.ino
index c1d544349..cce1f7c82 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_87_esp32_sonoff_tm1621.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_87_esp32_sonoff_tm1621.ino
@@ -17,6 +17,7 @@
  * {"NAME":"Sonoff THR316D GPIO26","GPIO":[32,0,0,0,225,9280,0,0,0,321,0,576,320,9184,9216,0,0,224,0,9248,0,1,1,3840,0,0,0,0,0,0,0,0,0,0,0,0],"FLAG":0,"BASE":1}
  * {"NAME":"Sonoff THR320D","GPIO":[32,0,0,0,226,9280,0,0,0,321,0,576,320,9184,9216,9312,0,0,9313,9248,0,1,0,3840,0,0,0,0,0,0,0,0,0,0,0,0],"FLAG":0,"BASE":1}
  * {"NAME":"Sonoff THR320D GPIO26","GPIO":[32,0,0,0,226,9280,0,0,0,321,0,576,320,9184,9216,9312,0,0,9313,9248,0,1,1,3840,0,0,0,0,0,0,0,0,0,0,0,0],"FLAG":0,"BASE":1}
+ * {"NAME":"Sonoff POWCT","GPIO":[32,0,0,0,0,9280,0,0,0,320,0,576,0,9184,9216,0,0,224,0,9248,0,7329,7296,0,0,0,0,0,0,0,0,0,0,0,0,0],"FLAG":0,"BASE":1}
  *
  * DspSpeed 2..127 = Display rotation speed in seconds if more than one value is requested
  * DspLine<1|2> <index>,<unit>,<index>,<unit>,... = Display specific JSON value and rotate between them
@@ -51,12 +52,14 @@
 #define TM1621_BIAS          0x29  // 0b00101001 = LCD 1/3 bias 4 commons option
 #define TM1621_IRQ_DIS       0x80  // 0b100x0xxx
 
-enum Tm1621Device { TM1621_USER, TM1621_POWR316D, TM1621_THR316D };
+enum Tm1621Device { TM1621_USER, TM1621_POWR316D, TM1621_THR316D, TM1621_POWCT };
+const char tm1621_device PROGMEM[] = "User|PowR3|THR3|PowCT";
+
 enum Tm1621Units  { TM1621_NONE, TM1621_TEMPERATURE, TM1621_HUMIDITY, TM1621_VOLTAGE_CURRENT, TM1621_ENERGY_POWER };
 
 const uint8_t tm1621_commands[] = { TM1621_SYS_EN, TM1621_LCD_ON, TM1621_BIAS, TM1621_TIMER_DIS, TM1621_WDT_DIS, TM1621_TONE_OFF, TM1621_IRQ_DIS };
 
-const char tm1621_kchar[] PROGMEM = { " |0|1|2|3|4|5|6|7|8|9|-|E" };
+const char tm1621_kchar[] PROGMEM = " |0|1|2|3|4|5|6|7|8|9|-|E";
 //    b0 ---
 //   b1 /  / b4
 //      --- b5
@@ -307,7 +310,18 @@ void TM1621SendRows(void) {
 void TM1621PreInit(void) {
   if (!PinUsed(GPIO_TM1621_CS) || !PinUsed(GPIO_TM1621_WR) || !PinUsed(GPIO_TM1621_RD) || !PinUsed(GPIO_TM1621_DAT)) { return; }
 
-  Tm1621.device = (14 == Pin(GPIO_TM1621_DAT)) ? TM1621_POWR316D : (5 == Pin(GPIO_TM1621_DAT)) ? TM1621_THR316D : TM1621_USER;
+  Tm1621.device = TM1621_USER;
+  uint32_t pin_tm1621_dat = Pin(GPIO_TM1621_DAT);
+  if (5 == Pin(GPIO_TM1621_DAT)) {
+    if (25 == Pin(GPIO_CSE7761_RX, 1)) {
+      Tm1621.device = TM1621_POWCT;
+    } else {
+      Tm1621.device = TM1621_THR316D;
+    }
+  }
+  else if (14 == Pin(GPIO_TM1621_DAT)) {
+    Tm1621.device = TM1621_POWR316D;
+  }
   Tm1621.present = true;
   Tm1621.pin_da = Pin(GPIO_TM1621_DAT);
   Tm1621.pin_cs = Pin(GPIO_TM1621_CS);
@@ -326,7 +340,9 @@ void TM1621PreInit(void) {
 
   Tm1621.state = 200;
 
-  AddLog(LOG_LEVEL_INFO, PSTR("DSP: TM1621"));
+  char stemp[8];
+  AddLog(LOG_LEVEL_INFO, PSTR("DSP: TM1621 for %s"), 
+    GetTextIndexed(stemp, sizeof(stemp), Tm1621.device, tm1621_device));
 }
 
 void TM1621Init(void) {
@@ -452,7 +468,8 @@ void TM1621Show(void) {
   }
 
 #ifdef USE_ENERGY_SENSOR
-  if (TM1621_POWR316D == Tm1621.device) {
+  if ((TM1621_POWR316D == Tm1621.device) ||
+      (TM1621_POWCT == Tm1621.device)) {
     if (0 == Tm1621.display_rotate) {
       ext_snprintf_P(Tm1621.row[0], sizeof(Tm1621.row[0]), PSTR("%1_f"), &Energy->voltage[0]);
       ext_snprintf_P(Tm1621.row[1], sizeof(Tm1621.row[1]), PSTR("%1_f"), &Energy->current[0]);
diff --git a/tasmota/tasmota_xnrg_energy/xnrg_19_cse7761.ino b/tasmota/tasmota_xnrg_energy/xnrg_19_cse7761.ino
index 1ae32783d..ac44de9a6 100644
--- a/tasmota/tasmota_xnrg_energy/xnrg_19_cse7761.ino
+++ b/tasmota/tasmota_xnrg_energy/xnrg_19_cse7761.ino
@@ -20,7 +20,7 @@
 #ifdef USE_ENERGY_SENSOR
 #ifdef USE_CSE7761
 /*********************************************************************************************\
- * CSE7761 - Energy  (Sonoff Dual R3 Pow and Pox CT)
+ * CSE7761 - Energy  (Sonoff Dual R3 and Pow CT)
  *
  * Without zero-cross detection
  * {"NAME":"Sonoff Dual R3","GPIO":[32,0,0,0,0,0,0,0,0,576,225,0,0,0,0,0,0,0,0,0,0,7296,7328,224,0,0,0,0,160,161,0,0,0,0,0,0],"FLAG":0,"BASE":1}
@@ -28,6 +28,8 @@
  * With zero-cross detection
  * {"NAME":"Sonoff Dual R3 (ZCD)","GPIO":[32,0,0,0,7552,0,0,0,0,576,225,0,0,0,0,0,0,0,0,0,0,7296,7328,224,0,0,0,0,160,161,0,0,0,0,0,0],"FLAG":0,"BASE":1}
  *
+ * {"NAME":"Sonoff POWCT","GPIO":[32,0,0,0,0,9280,0,0,0,320,0,576,0,9184,9216,0,0,224,0,9248,0,7329,7296,0,0,0,0,0,0,0,0,0,0,0,0,0],"FLAG":0,"BASE":1}
+ * 
  * Based on datasheet from ChipSea and analysing serial data
  * See https://github.com/arendst/Tasmota/discussions/10793
  * https://goldenrelay.en.alibaba.com/product/62119012875-811845870/GOLDEN_GI_1A_5LH_SPST_5V_5A_10A_250VAC_NO_18_5_10_5_15_3mm_sealed_type_all_certificate_compliances_class_F_SPDT_Form_available.html