diff --git a/examples/z1/test-battery_mv.c b/examples/z1/test-battery_mv.c
new file mode 100755
index 000000000..555932e47
--- /dev/null
+++ b/examples/z1/test-battery_mv.c
@@ -0,0 +1,35 @@
+#include "contiki.h"
+#include "dev/battery-sensor.h"
+#include <stdio.h> /* For printf() */
+
+
+float floor(float x){
+ if(x>=0.0f){ return (float) ((int)x);}
+else {return(float)((int)x-1);}
+}
+
+/*---------------------------------------------------------------------------*/
+PROCESS(aplicacio, "Aplicacio de prova");
+AUTOSTART_PROCESSES(&aplicacio);
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(aplicacio, ev, data)
+{
+
+  PROCESS_BEGIN();
+  
+  SENSORS_ACTIVATE(battery_sensor);
+  
+  while (1)
+  {   
+ uint16_t bateria = battery_sensor.value(0);
+ float mv = (bateria*2.500*2)/4096;
+ printf("Battery: %i (%ld.%03d mV)\n", bateria, (long) mv, (unsigned) ((mv-floor(mv))*1000));
+  }
+  
+  SENSORS_DEACTIVATE(battery_sensor);
+  
+  
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/
+