diff --git a/platformio.ini b/platformio.ini
index 7cfea7ea..1d8ce655 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -13,10 +13,10 @@
 [platformio]
 ;env_default = lolin32lite, heltec, generic
 ;env_default = generic
-env_default = heltec
+;env_default = heltec
 ;env_default = ttgov1
 ;env_default = ttgov2
-;env_default = ttgov21
+env_default = ttgov21
 ;env_default = ttgobeam
 ;env_default = lopy
 ;env_default = lopy4
diff --git a/src/display.cpp b/src/display.cpp
index 2a7c9779..d1d4019d 100644
--- a/src/display.cpp
+++ b/src/display.cpp
@@ -109,16 +109,22 @@ void refreshDisplay() {
   u8x8.draw2x2String(0, 0,
                      buff); // display number on unique macs total Wifi + BLE
 
-  // update GPS status (line 2)
+// update Battery status (line 2)
+#ifdef HAS_BATTERY_PROBE
+  u8x8.setCursor(0, 2);
+  u8x8.printf("B=%.1fV", read_voltage() / 1000.0);
+#endif
+
+// update GPS status (line 2)
 #ifdef HAS_GPS
-  u8x8.setCursor(7, 2);
+  u8x8.setCursor(8, 2);
   if (!gps.location.isValid()) // if no fix then display Sats value inverse
   {
     u8x8.setInverseFont(1);
-    u8x8.printf("Sats: %.3d", gps.satellites.value());
+    u8x8.printf("Sat %.3d", gps.satellites.value());
     u8x8.setInverseFont(0);
   } else
-    u8x8.printf("Sats: %.3d", gps.satellites.value());
+    u8x8.printf("Sat %.3d", gps.satellites.value());
 #endif
 
     // update bluetooth counter + LoRa SF (line 3)