diff --git a/include/defaults.h b/include/defaults.h
index e348ae63f..d92b8645d 100644
--- a/include/defaults.h
+++ b/include/defaults.h
@@ -144,8 +144,8 @@
 #define POWERLIMITER_VOLTAGE_LOAD_CORRECTION_FACTOR 0.001
 #define POWERLIMITER_RESTART_HOUR -1
 #define POWERLIMITER_FULL_SOLAR_PASSTHROUGH_SOC 100
-#define POWERLIMITER_FULL_SOLAR_PASSTHROUGH_START_VOLTAGE 100.0
-#define POWERLIMITER_FULL_SOLAR_PASSTHROUGH_STOP_VOLTAGE 100.0
+#define POWERLIMITER_FULL_SOLAR_PASSTHROUGH_START_VOLTAGE 66.0
+#define POWERLIMITER_FULL_SOLAR_PASSTHROUGH_STOP_VOLTAGE 66.0
 
 #define BATTERY_ENABLED false
 #define BATTERY_PROVIDER 0 // Pylontech CAN receiver