diff --git a/include/lorawan.h b/include/lorawan.h
index 74a67c04..5c5c67cb 100644
--- a/include/lorawan.h
+++ b/include/lorawan.h
@@ -49,6 +49,7 @@ void myRxCallback(void *pUserData, uint8_t port, const uint8_t *pMsg,
 void myTxCallback(void *pUserData, int fSuccess);
 void mac_decode(const uint8_t cmd[], const uint8_t cmdlen, const mac_t table[],
                 const uint8_t tablesize);
+uint8_t getBattLevel(void);
 
 #if (TIME_SYNC_LORAWAN)
 void user_request_network_time_callback(void *pVoidUserUTCTime,
diff --git a/include/power.h b/include/power.h
index 3622f643..c27daa6c 100644
--- a/include/power.h
+++ b/include/power.h
@@ -19,6 +19,6 @@ void AXP192_init(void);
 void AXP192_displaypower(void);
 uint16_t read_voltage(void);
 void calibrate_voltage(void);
-uint8_t getBattLevel(void);
+bool batt_sufficient(void);
 
 #endif
\ No newline at end of file
diff --git a/src/cyclic.cpp b/src/cyclic.cpp
index 1cdd9b14..d728d1bc 100644
--- a/src/cyclic.cpp
+++ b/src/cyclic.cpp
@@ -57,13 +57,16 @@ void doHousekeeping() {
 // read battery voltage into global variable
 #if (defined BAT_MEASURE_ADC || defined HAS_PMU)
   batt_voltage = read_voltage();
-  ESP_LOGI(TAG, "Voltage: %dmV", batt_voltage);
+  if (batt_voltage = 0xffff)
+    ESP_LOGI(TAG, "Battery: external power");
+  else
+    ESP_LOGI(TAG, "Battery: %dmV", batt_voltage);
 #ifdef HAS_PMU
   if (I2C_MUTEX_LOCK()) {
     AXP192_displaypower();
     I2C_MUTEX_UNLOCK();
   }
-#endif // HAS_PMU
+#endif
 #endif
 
 // display BME680/280 sensor data
diff --git a/src/lorawan.cpp b/src/lorawan.cpp
index 5d8359d5..bd5284f8 100644
--- a/src/lorawan.cpp
+++ b/src/lorawan.cpp
@@ -234,13 +234,10 @@ void onEvent(ev_t ev) {
     sprintf(display_line6, " "); // clear previous lmic status
     // set data rate adaptation according to saved setting
     LMIC_setAdrMode(cfg.adrmode);
-    // set cyclic lmic link check to off if no ADR because is not supported by
-    // ttn (but enabled by lmic after join)
-    LMIC_setLinkCheckMode(cfg.adrmode);
-    // Set data rate and transmit power (note: txpower seems to be ignored by
-    // the library)
-    switch_lora(cfg.lorasf, cfg.txpower);
-    // show effective LoRa parameters after join
+    // set data rate and transmit power if we have no ADR
+    if (!cfg.adrmode)
+      switch_lora(cfg.lorasf, cfg.txpower);
+    // show current devaddr
     ESP_LOGI(TAG, "DEVaddr=%08X", LMIC.devaddr);
     break;
 
@@ -541,6 +538,7 @@ void lmictask(void *pvParameters) {
   os_init();    // initialize lmic run-time environment
   LMIC_reset(); // initialize lmic MAC
   LMIC_setLinkCheckMode(0);
+
 // This tells LMIC to make the receive windows bigger, in case your clock is
 // faster or slower. This causes the transceiver to be earlier switched on,
 // so consuming more power. You may sharpen (reduce) CLOCK_ERROR_PERCENTAGE
@@ -548,15 +546,9 @@ void lmictask(void *pvParameters) {
 #ifdef CLOCK_ERROR_PROCENTAGE
   LMIC_setClockError(MAX_CLOCK_ERROR * CLOCK_ERROR_PROCENTAGE / 100);
 #endif
-  // Set the data rate to Spreading Factor 7.  This is the fastest supported
-  // rate for 125 kHz channels, and it minimizes air time and battery power.
-  // Set the transmission power to 14 dBi (25 mW).
-  LMIC_setDrTxpow(DR_SF7, 14);
-  // register a callback for downlink messages. We aren't trying to write
-  // reentrant code, so pUserData is NULL.
-  LMIC_registerRxMessageCb(myRxCallback, NULL);
 
-#if defined(CFG_US915) || defined(CFG_au921)
+//#if defined(CFG_US915) || defined(CFG_au921)
+#if CFG_LMIC_US_like
   // in the US, with TTN, it saves join time if we start on subband 1
   // (channels 8-15). This will get overridden after the join by parameters
   // from the network. If working with other networks or in other regions,
@@ -564,6 +556,15 @@ void lmictask(void *pvParameters) {
   LMIC_selectSubBand(1);
 #endif
 
+  // Set the data rate to Spreading Factor 7.  This is the fastest supported
+  // rate for 125 kHz channels, and it minimizes air time and battery power.
+  // Set the transmission power to 14 dBi (25 mW).
+  LMIC_setDrTxpow(DR_SF7, 14);
+
+  // register a callback for downlink messages. We aren't trying to write
+  // reentrant code, so pUserData is NULL.
+  LMIC_registerRxMessageCb(myRxCallback, NULL);
+
   while (1) {
     os_runloop_once(); // execute lmic scheduled jobs and events
     delay(2);          // yield to CPU
@@ -665,4 +666,30 @@ void mac_decode(const uint8_t cmd[], const uint8_t cmdlen, const mac_t table[],
 
 } // mac_decode()
 
+uint8_t getBattLevel() {
+  /*
+  return values:
+  MCMD_DEVS_EXT_POWER   = 0x00, // external power supply
+  MCMD_DEVS_BATT_MIN    = 0x01, // min battery value
+  MCMD_DEVS_BATT_MAX    = 0xFE, // max battery value
+  MCMD_DEVS_BATT_NOINFO = 0xFF, // unknown battery level
+  */
+#if (defined HAS_PMU || defined BAT_MEASURE_ADC)
+  uint16_t voltage = read_voltage();
+
+  switch (voltage) {
+  case 0:
+    return MCMD_DEVS_BATT_NOINFO;
+  case 0xffff:
+    return MCMD_DEVS_EXT_POWER;
+  default:
+    return (voltage > OTA_MIN_BATT ? MCMD_DEVS_BATT_MAX : MCMD_DEVS_BATT_MIN);
+  }
+#else // we don't have any info on battery level
+  return MCMD_DEVS_BATT_NOINFO;
+#endif
+} // getBattLevel()
+
+//u1_t os_getBattLevel(void) { return getBattLevel(); };
+
 #endif // HAS_LORA
\ No newline at end of file
diff --git a/src/ota.cpp b/src/ota.cpp
index 1a1e9052..18eaa84e 100644
--- a/src/ota.cpp
+++ b/src/ota.cpp
@@ -41,7 +41,7 @@ inline String getHeaderValue(String header, String headerName) {
 void start_ota_update() {
 
   // check battery status if we can before doing ota
-  if (getBattLevel() == MCMD_DEVS_BATT_MIN) {
+   if (!batt_sufficient()) {
     ESP_LOGE(TAG, "Battery voltage %dmV too low for OTA", batt_voltage);
     return;
   }
diff --git a/src/power.cpp b/src/power.cpp
index 5dccf6d0..877fc953 100644
--- a/src/power.cpp
+++ b/src/power.cpp
@@ -78,12 +78,18 @@ void AXP192_power(bool on) {
 void AXP192_displaypower(void) {
   if (pmu.isBatteryConnect())
     if (pmu.isChargeing())
-      ESP_LOGI(TAG, "Battery charging @ %.0fmAh", pmu.getBattChargeCurrent());
+      ESP_LOGI(TAG, "Battery charging %.0fmAh @ Temp %.1f°C",
+               pmu.getBattChargeCurrent(), pmu.getTSTemp());
     else
-      ESP_LOGI(TAG, "Battery discharging @ %0.fmAh",
-               pmu.getBattDischargeCurrent());
+      ESP_LOGI(TAG, "Battery not charging, Temp %.1f°C", pmu.getTSTemp());
   else
     ESP_LOGI(TAG, "No Battery");
+
+  if (pmu.isVBUSPlug())
+    ESP_LOGI(TAG, "USB present, %.0fmAh @ %.1fV", pmu.getVbusCurrent(),
+             pmu.getVbusVoltage());
+  else
+    ESP_LOGI(TAG, "USB not present");
 }
 
 void AXP192_init(void) {
@@ -111,7 +117,7 @@ void AXP192_init(void) {
       pmu.clearIRQ();
 #endif // PMU_INT
 
-      ESP_LOGI(TAG, "AXP192 PMU initialized.");
+      ESP_LOGI(TAG, "AXP192 PMU initialized, chip Temp %.1f°C", pmu.getTemp());
       AXP192_displaypower();
     }
     I2C_MUTEX_UNLOCK(); // release i2c bus access
@@ -161,31 +167,15 @@ void calibrate_voltage(void) {
 #endif
 }
 
-uint8_t getBattLevel() {
-  /*
-  return values:
-  MCMD_DEVS_EXT_POWER   = 0x00, // external power supply
-  MCMD_DEVS_BATT_MIN    = 0x01, // min battery value
-  MCMD_DEVS_BATT_MAX    = 0xFE, // max battery value
-  MCMD_DEVS_BATT_NOINFO = 0xFF, // unknown battery level
-  */
+bool batt_sufficient() {
 #if (defined HAS_PMU || defined BAT_MEASURE_ADC)
-  uint16_t voltage = read_voltage();
-
-  switch (voltage) {
-  case 0:
-    return MCMD_DEVS_BATT_NOINFO;
-  case 0xffff:
-    return MCMD_DEVS_EXT_POWER;
-  default:
-    return (voltage > OTA_MIN_BATT ? MCMD_DEVS_BATT_MAX : MCMD_DEVS_BATT_MIN);
-  }
-#else // we don't have any info on battery level
-  return MCMD_DEVS_BATT_NOINFO;
+  uint16_t volts = read_voltage();
+  return ((volts < 1000) ||
+          (volts > OTA_MIN_BATT)); // no battery or battery sufficient
+#else
+  return true;
 #endif
-} // getBattLevel()
-
-// u1_t os_getBattLevel(void) { return getBattLevel(); };
+}
 
 uint16_t read_voltage() {