diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
index 1cf048513f75..7fadf4b9e240 100644
--- a/tasmota/my_user_config.h
+++ b/tasmota/my_user_config.h
@@ -788,9 +788,9 @@
   #define DDS2382_SPEED        9600              // Hiking DDS2382 Modbus RS485 serial speed (default: 9600 baud)
 //#define USE_DDSU666                              // Add support for Chint DDSU666 Modbus energy monitor (+0k6 code)
   #define DDSU666_SPEED        9600              // Chint DDSU666 Modbus RS485 serial speed (default: 9600 baud)
-//#define USE_SOLAX_X1                             // Add support for Solax X1 series Modbus log info (+3k1 code)
+#define USE_SOLAX_X1                             // Add support for Solax X1 series Modbus log info (+3k1 code)
   #define SOLAXX1_SPEED        9600              // Solax X1 Modbus RS485 serial speed (default: 9600 baud)
-  #define SOLAXX1_PV2                            // Solax X1 using second PV
+//  #define SOLAXX1_PV2                            // Solax X1 using second PV
 //#define USE_LE01MR                               // Add support for F&F LE-01MR Modbus energy monitor (+1k code)
   #define LE01MR_SPEED         9600              // LE-01MR modbus baudrate (default: 9600)
   #define LE01MR_ADDR          1                 // LE-01MR modbus address (default: 0x01)
diff --git a/tasmota/tasmota_template.h b/tasmota/tasmota_template.h
index 2430cdf40bbd..b961de31e75c 100644
--- a/tasmota/tasmota_template.h
+++ b/tasmota/tasmota_template.h
@@ -74,7 +74,7 @@ enum UserSelectablePins {
   GPIO_SSPI_MAX31865_CS1,              // MAX31865 Chip Select
   GPIO_HRE_CLOCK, GPIO_HRE_DATA,       // HR-E Water Meter
   GPIO_ADE7953_IRQ,                    // ADE7953 IRQ
-  GPIO_SOLAXX1_TX, GPIO_SOLAXX1_RX,    // Solax Inverter Serial interface
+  GPIO_SOLAXX1_TX, GPIO_SOLAXX1_RX, GPIO_SOLAXX1_RTS,    // Solax Inverter Serial interface
   GPIO_ZIGBEE_TX, GPIO_ZIGBEE_RX,      // Zigbee Serial interface
   GPIO_RDM6300_RX,                     // RDM6300 RX
   GPIO_IBEACON_TX, GPIO_IBEACON_RX,    // HM17 IBEACON Serial interface
@@ -275,7 +275,7 @@ const char kSensorNames[] PROGMEM =
   D_SENSOR_MAX31865_CS "|"
   D_SENSOR_HRE_CLOCK "|" D_SENSOR_HRE_DATA "|"
   D_SENSOR_ADE7953_IRQ "|"
-  D_SENSOR_SOLAXX1_TX "|" D_SENSOR_SOLAXX1_RX "|"
+  D_SENSOR_SOLAXX1_TX "|" D_SENSOR_SOLAXX1_RX "|" D_SENSOR_SOLAXX1_RTS "|"
   D_SENSOR_ZIGBEE_TXD "|" D_SENSOR_ZIGBEE_RXD "|"
   D_SENSOR_RDM6300_RX "|"
   D_SENSOR_IBEACON_TX "|" D_SENSOR_IBEACON_RX "|"
@@ -711,6 +711,7 @@ const uint16_t kGpioNiceList[] PROGMEM = {
 #ifdef USE_SOLAX_X1
   AGPIO(GPIO_SOLAXX1_TX),     // Solax Inverter tx pin
   AGPIO(GPIO_SOLAXX1_RX),     // Solax Inverter rx pin
+  AGPIO(GPIO_SOLAXX1_RTS),     // Solax Inverter RTS pin
 #endif // USE_SOLAX_X1
 #ifdef USE_LE01MR
   AGPIO(GPIO_LE01MR_TX),     // F7F LE-01MR energy meter tx pin
diff --git a/tasmota/tasmota_template_legacy.h b/tasmota/tasmota_template_legacy.h
index 4583a97838c4..af9afd3f1e54 100644
--- a/tasmota/tasmota_template_legacy.h
+++ b/tasmota/tasmota_template_legacy.h
@@ -190,6 +190,7 @@ enum LegacyUserSelectablePins {
   GPI8_OLED_RESET,     // OLED Display Reset
   GPI8_SOLAXX1_TX,     // Solax Inverter tx pin
   GPI8_SOLAXX1_RX,     // Solax Inverter rx pin
+  GPI8_SOLAXX1_RTS,    // Solax Inverter RTS pin
   GPI8_ZIGBEE_TX,      // Zigbee Serial interface
   GPI8_ZIGBEE_RX,      // Zigbee Serial interface
   GPI8_RDM6300_RX,     // RDM6300 RX
@@ -420,6 +421,7 @@ const uint16_t kGpioConvert[] PROGMEM = {
   AGPIO(GPIO_OLED_RESET),     // OLED Display Reset
   AGPIO(GPIO_SOLAXX1_TX),     // Solax Inverter tx pin
   AGPIO(GPIO_SOLAXX1_RX),     // Solax Inverter rx pin
+  AGPIO(GPIO_SOLAXX1_RTS),    // Solax Inverter RTS pin
   AGPIO(GPIO_ZIGBEE_TX),      // Zigbee Serial interface
   AGPIO(GPIO_ZIGBEE_RX),      // Zigbee Serial interface
   AGPIO(GPIO_RDM6300_RX),