diff --git a/libraries/AP_RCTelemetry/AP_Spektrum_Telem.cpp b/libraries/AP_RCTelemetry/AP_Spektrum_Telem.cpp
index 3e669206ec..083bb7af92 100644
--- a/libraries/AP_RCTelemetry/AP_Spektrum_Telem.cpp
+++ b/libraries/AP_RCTelemetry/AP_Spektrum_Telem.cpp
@@ -296,12 +296,16 @@ void AP_Spektrum_Telem::calc_qos()
 // prepare rpm data - B/E mandatory frame that must be sent periodically
 void AP_Spektrum_Telem::calc_rpm()
 {
+#if AP_BATTERY_ENABLED
     const AP_BattMonitor &_battery = AP::battery();
+#endif
 
     _telem.rpm.identifier = TELE_DEVICE_RPM;
     _telem.rpm.sID = 0;
     // battery voltage in centivolts, can have up to a 12S battery (4.25Vx12S = 51.0V)
+#if AP_BATTERY_ENABLED
     _telem.rpm.volts = htobe16(((uint16_t)roundf(_battery.voltage(0) * 100.0f)));
+#endif
     _telem.rpm.temperature = htobe16(int16_t(roundf(32.0f + AP::baro().get_temperature(0) * 9.0f / 5.0f)));
 #if AP_RPM_ENABLED
     const AP_RPM *rpm = AP::rpm();
@@ -328,10 +332,12 @@ void AP_Spektrum_Telem::send_msg_chunk(const MessageChunk& chunk)
 // prepare battery data - B/E but not supported by Spektrum
 void AP_Spektrum_Telem::calc_batt_volts(uint8_t instance)
 {
+#if AP_BATTERY_ENABLED
     const AP_BattMonitor &_battery = AP::battery();
 
     // battery voltage in centivolts, can have up to a 12S battery (4.25Vx12S = 51.0V)
     _telem.hv.volts = htobe16(uint16_t(roundf(_battery.voltage(instance) * 100.0f)));
+#endif
     _telem.hv.identifier = TELE_DEVICE_VOLTAGE;
     _telem.hv.sID = 0;
     _telem_pending = true;
@@ -340,6 +346,7 @@ void AP_Spektrum_Telem::calc_batt_volts(uint8_t instance)
 // prepare battery data - B/E but not supported by Spektrum
 void AP_Spektrum_Telem::calc_batt_amps(uint8_t instance)
 {
+#if AP_BATTERY_ENABLED
     const AP_BattMonitor &_battery = AP::battery();
 
     float current;
@@ -349,6 +356,7 @@ void AP_Spektrum_Telem::calc_batt_amps(uint8_t instance)
 
     // Range: +/- 150A     Resolution: 300A / 2048 = 0.196791 A/count
     _telem.amps.current = htobe16(int16_t(roundf(current * 2048.0f / 300.0f)));
+#endif
     _telem.amps.identifier = TELE_DEVICE_AMPS;
     _telem.amps.sID = 0;
     _telem_pending = true;
@@ -357,11 +365,14 @@ void AP_Spektrum_Telem::calc_batt_amps(uint8_t instance)
 // prepare battery data - L/E
 void AP_Spektrum_Telem::calc_batt_mah()
 {
+#if AP_BATTERY_ENABLED
     const AP_BattMonitor &_battery = AP::battery();
+#endif
 
     _telem.fpMAH.identifier = TELE_DEVICE_FP_MAH;
     _telem.fpMAH.sID = 0;
 
+#if AP_BATTERY_ENABLED
     float current;
     if (!_battery.current_amps(current, 0)) {
         current = 0;
@@ -396,6 +407,10 @@ void AP_Spektrum_Telem::calc_batt_mah()
     } else {
         _telem.fpMAH.temp_B = 0x7FFF;
     }
+#else
+        _telem.fpMAH.temp_A = 0x7FFF;
+        _telem.fpMAH.temp_B = 0x7FFF;
+#endif
 
     _telem_pending = true;
 }