diff --git a/src/main.c b/src/main.c
index 45b2700..a280549 100644
--- a/src/main.c
+++ b/src/main.c
@@ -236,7 +236,7 @@ int main(void)
 	fxp_t AVG_FACT = fxp_from_float(0.10f);
 	fxp_t AVG_FACT_INV = fxp_sub(fxp_from_int(1), AVG_FACT);
 
-	fxp_t MAX_VOLTAGE = fxp_from_float(12.000f);
+	fxp_t MAX_VOLTAGE = fxp_from_float(13.800f);
 	fxp_t MAX_CURRENT = fxp_from_float( 5.000f);
 
 	fxp_t MPP_VOLTAGE_THR = fxp_sub(MAX_VOLTAGE, fxp_from_float(0.500f));
@@ -311,6 +311,8 @@ int main(void)
 				fxp_right_align(number, msg, 3, '0');
 				lcd_send_string("L:");
 				lcd_send_string(msg);
+
+				cpuload = 0;
 			}
 		}