diff --git a/boards/sodaq-explorer/include/periph_conf.h b/boards/sodaq-explorer/include/periph_conf.h
index e49189e7e1..38ad3f5006 100644
--- a/boards/sodaq-explorer/include/periph_conf.h
+++ b/boards/sodaq-explorer/include/periph_conf.h
@@ -182,6 +182,9 @@ static const adc_conf_chan_t adc_channels[] = {
     {GPIO_PIN(PA, 8), ADC_INPUTCTRL_MUXPOS_PIN16},    /* A4 */
     {GPIO_PIN(PA, 9), ADC_INPUTCTRL_MUXPOS_PIN17},    /* A5 */
     {GPIO_PIN(PA, 4), ADC_INPUTCTRL_MUXPOS_PIN4},     /* A6 (temperature) */
+    {GPIO_PIN(PA, 10), ADC_INPUTCTRL_MUXPOS_PIN18},   /* A7 */
+    {GPIO_PIN(PA, 11), ADC_INPUTCTRL_MUXPOS_PIN19},   /* A8 */
+    {GPIO_PIN(PB, 5), ADC_INPUTCTRL_MUXPOS_PIN13},    /* BATVOLT */
 };
 
 #define ADC_NUMOF                           ARRAY_SIZE(adc_channels)