diff --git a/CHANGELOG.md b/CHANGELOG.md
index d24aea8b2..b34fad6bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,8 +11,9 @@ All notable changes to this project will be documented in this file.
 - Matter support for password for remote Tasmota devices (#20296)
 - Display of active drivers using command ``status 4``
 - ESP32 used UART information
-- HASPmota added `haspmota.page_show()` to change page
-- Berry added `introspect.set()` for class attributes
+- HASPmota added `haspmota.page_show()` to change page (#20333)
+- Berry added `introspect.set()` for class attributes (#20339)
+- Support negative power on BL0942 using index 5..8 (#20322)
 
 ### Breaking Changed
 - Refactoring of Berry `animate` module for WS2812 Leds (#20236)
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 9fe82cdde..a526e6cbe 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -122,7 +122,10 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 - Support for Sonoff Basic R4 Magic Switch [#20247](https://github.com/arendst/Tasmota/issues/20247)
 - Display of active drivers using command ``status 4``
 - NeoPool hydrolysis FL1 and Redox flag [#20258](https://github.com/arendst/Tasmota/issues/20258)
+- Support negative power on BL0942 using index 5..8 [#20322](https://github.com/arendst/Tasmota/issues/20322)
 - ESP32 used UART information
+- Berry added `introspect.set()` for class attributes [#20339](https://github.com/arendst/Tasmota/issues/20339)
+- HASPmota added `haspmota.page_show()` to change page [#20333](https://github.com/arendst/Tasmota/issues/20333)
 - Matter support for password for remote Tasmota devices [#20296](https://github.com/arendst/Tasmota/issues/20296)
 
 ### Breaking Changed
diff --git a/tasmota/include/tasmota_template.h b/tasmota/include/tasmota_template.h
index 63779e918..1d09cb47b 100644
--- a/tasmota/include/tasmota_template.h
+++ b/tasmota/include/tasmota_template.h
@@ -496,7 +496,7 @@ const char kSensorNamesFixed[] PROGMEM =
 #define MAX_BP1658CJ_DAT 16
 #define MAX_DINGTIAN_SHIFT  4
 #define MAX_MAGIC_SWITCH_MODES   2
-#define MAX_BL0942_RX    4              // Baudrates 1 (4800), 2 (9600), 3 (19200), 4 (38400)
+#define MAX_BL0942_RX    8              // Baudrates 1/5 (4800), 2/6 (9600), 3/7 (19200), 4/8 (38400), Support Positive values only 1..4, Support also negative values 5..8
 
 const uint16_t kGpioNiceList[] PROGMEM = {
   GPIO_NONE,                            // Not used
diff --git a/tasmota/tasmota_xnrg_energy/xnrg_14_bl09xx.ino b/tasmota/tasmota_xnrg_energy/xnrg_14_bl09xx.ino
index af1f0f6fc..da66a5cf4 100644
--- a/tasmota/tasmota_xnrg_energy/xnrg_14_bl09xx.ino
+++ b/tasmota/tasmota_xnrg_energy/xnrg_14_bl09xx.ino
@@ -102,6 +102,7 @@ struct BL09XX {
   uint8_t address = 0;
   uint8_t model = 0;
   uint8_t rx_pin;
+  bool support_negative = 0;
   bool received = false;
 } Bl09XX;
 
@@ -187,11 +188,15 @@ bool Bl09XXDecode42(void) {
   Bl09XX.voltage    = Bl09XX.rx_buffer[6] << 16 | Bl09XX.rx_buffer[5] << 8 | Bl09XX.rx_buffer[4];        // V_RMS unsigned
   Bl09XX.current[0] = Bl09XX.rx_buffer[3]  << 16 | Bl09XX.rx_buffer[2]  << 8 | Bl09XX.rx_buffer[1];      // IA_RMS unsigned
 
-//  Bl09XX.power[0]   = Bl09XX.rx_buffer[12] << 16 | Bl09XX.rx_buffer[11] << 8 | Bl09XX.rx_buffer[10];     // WATT_A signed
-//  if (bitRead(Bl09XX.power[0], 23)) { Bl09XX.power[0] |= 0xFF000000; }                                   // Extend sign bit
-  // Above reverted in favour of https://github.com/arendst/Tasmota/issues/15374#issuecomment-1105293179
-  int32_t tmp = Bl09XX.rx_buffer[12] << 24 | Bl09XX.rx_buffer[11] << 16 | Bl09XX.rx_buffer[10] << 8;     // WATT_A signed
-  Bl09XX.power[0] = abs(tmp >> 8);
+
+  if (Bl09XX.support_negative) {
+    Bl09XX.power[0]   = Bl09XX.rx_buffer[12] << 16 | Bl09XX.rx_buffer[11] << 8 | Bl09XX.rx_buffer[10];   // WATT_A signed
+    if (bitRead(Bl09XX.power[0], 23)) { Bl09XX.power[0] |= 0xFF000000; }                                 // Extend sign bit
+    // Above reverted in favour of https://github.com/arendst/Tasmota/issues/15374#issuecomment-1105293179
+  } else {
+    int32_t tmp = Bl09XX.rx_buffer[12] << 24 | Bl09XX.rx_buffer[11] << 16 | Bl09XX.rx_buffer[10] << 8;   // WATT_A signed
+    Bl09XX.power[0] = abs(tmp >> 8);
+  }
 
 #ifdef DEBUG_BL09XX
   AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("BL9: U %d, I %d, P %d"),
@@ -361,7 +366,9 @@ void Bl09XXPreInit(void) {
     else if (PinUsed(GPIO_BL0942_RX, GPIO_ANY)) {
       Bl09XX.model = BL0942_MODEL;
       Bl09XX.rx_pin = Pin(GPIO_BL0942_RX, GPIO_ANY);
-      uint32_t baudrate = GetPin(Bl09XX.rx_pin) - AGPIO(GPIO_BL0942_RX);  // 0 .. 3
+      uint32_t option = GetPin(Bl09XX.rx_pin) - AGPIO(GPIO_BL0942_RX);  // 0 .. 7
+      Bl09XX.support_negative = (option > 3);        // 4 .. 7
+      uint32_t baudrate = option & 0x3;              // 0 .. 3 and 4 .. 7
       Bl09XX.baudrate <<= baudrate;                  // Support 1 (4800), 2 (9600), 3 (19200), 4 (38400)
     }
     if (Bl09XX.model != BL09XX_MODEL) {