diff --git a/Nasal/electrical.nas b/Nasal/electrical.nas
index 63f85e0b..8660a1f1 100644
--- a/Nasal/electrical.nas
+++ b/Nasal/electrical.nas
@@ -1,6 +1,5 @@
 # A3XX Electrical System
 # Joshua Davidson (it0uchpods) and Jonathan Redpath (legoboyvdlp)
-# Some parts are in JSBsim system!
 
 ##############################################
 # Copyright (c) Joshua Davidson (it0uchpods) #
@@ -38,6 +37,10 @@ setlistener("/sim/signals/fdm-initialized", func {
 	var battery2_volts = getprop("/systems/electrical/battery2-volts");
 	var battery1_amps = getprop("/systems/electrical/battery1-amps");
 	var battery2_amps = getprop("/systems/electrical/battery2-amps");
+	var battery1_percent = getprop("/systems/electrical/battery1-percent");
+	var battery2_percent = getprop("/systems/electrical/battery2-percent");
+	var battery1_percent_calc = 0;
+	var battery2_percent_calc = 0;
 	var rpmapu = getprop("/systems/apu/rpm");
 	var extpwr_on = getprop("/controls/switches/cart");
 	var stateL = getprop("/engines/engine[0]/state");
@@ -158,6 +161,8 @@ var ELEC = {
 		setprop("/systems/electrical/battery2-volts", 26.5);
 		setprop("/systems/electrical/battery1-amps", 0);
 		setprop("/systems/electrical/battery2-amps", 0);
+		setprop("/systems/electrical/battery1-percent", 68);
+		setprop("/systems/electrical/battery2-percent", 68);
 		setprop("/systems/electrical/bus/dc1", 0);
 		setprop("/systems/electrical/bus/dc2", 0);
 		setprop("/systems/electrical/bus/dcbat", 0);
@@ -276,6 +281,8 @@ var ELEC = {
 		battery2_sw = getprop("/controls/electrical/switches/battery2");
 		battery1_volts = getprop("/systems/electrical/battery1-volts");
 		battery2_volts = getprop("/systems/electrical/battery2-volts");
+		battery1_percent = getprop("/systems/electrical/battery1-percent");
+		battery2_percent = getprop("/systems/electrical/battery2-percent");
 		rpmapu = getprop("/systems/apu/rpm");
 		extpwr_on = getprop("/controls/switches/cart");
 		stateL = getprop("/engines/engine[0]/state");
@@ -605,34 +612,65 @@ var ELEC = {
 		dc1 = getprop("/systems/electrical/bus/dc1");
 		dc2 = getprop("/systems/electrical/bus/dc2");
 		
-		if (battery1_volts < 27.9 and (dc1 > 25 or dc2 > 25) and battery1_sw and !batt1_fail) {
-			if (getprop("/systems/electrical/battery1-time") + 60 < getprop("/sim/time/elapsed-sec")) {
-				setprop("/systems/electrical/battery1-volts", battery1_volts + 0.02877666); # Roughly 15mins to 25.9
+		if (battery1_percent < 100 and (dc1 > 25 or dc2 > 25) and battery1_sw and !batt1_fail) {
+			if (getprop("/systems/electrical/battery1-time") + 30 < getprop("/sim/time/elapsed-sec")) {
+				battery1_percent_calc = battery1_percent + 4.5; # Roughly 90 percent every 10 mins
+				if (battery1_percent_calc > 100) {
+					battery1_percent_calc = 100;
+				}
+				setprop("/systems/electrical/battery1-percent", battery1_percent_calc);
 				setprop("/systems/electrical/battery1-time", getprop("/sim/time/elapsed-sec"));
 			}
-		} else if (battery1_sw and !batt1_fail) {
-			if (getprop("/systems/electrical/battery1-time") + 60 < getprop("/sim/time/elapsed-sec")) {
-				setprop("/systems/electrical/battery1-volts", battery1_volts - 0.01438833); # Roughly 30mins from 25.9
+		} else if (battery1_amps >= 120 and battery1_sw and !batt1_fail) {
+			if (getprop("/systems/electrical/battery1-time") + 30 < getprop("/sim/time/elapsed-sec")) {
+				battery1_percent_calc = battery1_percent - 1.5; # Roughly 90 percent every 30 mins
+				if (battery1_percent_calc < 0) {
+					battery1_percent_calc = 0;
+				}
+				setprop("/systems/electrical/battery1-percent", battery1_percent_calc);
 				setprop("/systems/electrical/battery1-time", getprop("/sim/time/elapsed-sec"));
 			}
 		} else {
 			setprop("/systems/electrical/battery1-time", getprop("/sim/time/elapsed-sec"));
 		}
 		
-		if (battery2_volts < 27.9 and (dc1 > 25 or dc2 > 25) and battery2_sw and !batt2_fail) {
-			if (getprop("/systems/electrical/battery2-time") + 60 < getprop("/sim/time/elapsed-sec")) {
-				setprop("/systems/electrical/battery2-volts", battery2_volts + 0.02877666); # Roughly 15mins to 25.9
+		if (battery1_percent < 100 and (dc1 > 25 or dc2 > 25) and battery2_sw and !batt2_fail) {
+			if (getprop("/systems/electrical/battery2-time") + 30 < getprop("/sim/time/elapsed-sec")) {
+				battery2_percent_calc = battery2_percent + 4.5; # Roughly 90 percent every 10 mins
+				if (battery2_percent_calc > 100) {
+					battery2_percent_calc = 100;
+				}
+				setprop("/systems/electrical/battery2-percent", battery2_percent_calc);
 				setprop("/systems/electrical/battery2-time", getprop("/sim/time/elapsed-sec"));
 			}
-		} else if (battery2_sw and !batt2_fail) {
-			if (getprop("/systems/electrical/battery2-time") + 60 < getprop("/sim/time/elapsed-sec")) {
-				setprop("/systems/electrical/battery2-volts", battery2_volts - 0.01438833); # Roughly 30mins from 25.9
+		} else if (battery2_amps >= 120 and battery2_sw and !batt2_fail) {
+			if (getprop("/systems/electrical/battery2-time") + 30 < getprop("/sim/time/elapsed-sec")) {
+				battery2_percent_calc = battery2_percent - 1.5; # Roughly 90 percent every 30 mins
+				if (battery2_percent_calc < 0) {
+					battery2_percent_calc = 0;
+				}
+				setprop("/systems/electrical/battery2-percent", battery2_percent_calc);
 				setprop("/systems/electrical/battery2-time", getprop("/sim/time/elapsed-sec"));
 			}
 		} else {
 			setprop("/systems/electrical/battery2-time", getprop("/sim/time/elapsed-sec"));
 		}
 		
+		battery1_percent = getprop("/systems/electrical/battery1-percent");
+		battery2_percent = getprop("/systems/electrical/battery2-percent");
+		
+		if (battery1_percent >= 10) {
+			setprop("/systems/electrical/battery1-volts", math.clamp(24 + (battery1_percent - 10) * (27.9 - 24) / (100 - 10), 24, 27.9));
+		} else {
+			setprop("/systems/electrical/battery1-volts", math.clamp(battery1_percent * (24) / (10), 0, 24));
+		}
+		
+		if (battery2_percent >= 10) {
+			setprop("/systems/electrical/battery2-volts", math.clamp(24 + (battery2_percent - 10) * (27.9 - 24) / (100 - 10), 24, 30));
+		} else {
+			setprop("/systems/electrical/battery2-volts", math.clamp(battery2_percent * (24) / (10), 0, 24));
+		}
+		
 		if (getprop("/systems/electrical/bus/ac-ess") < 110) {
 			if (getprop("/it-autoflight/output/ap1") == 1) {
 				setprop("/it-autoflight/input/ap1", 0);
diff --git a/revision.txt b/revision.txt
index e102aea8..fd09341e 100644
--- a/revision.txt
+++ b/revision.txt
@@ -1 +1 @@
-4410
\ No newline at end of file
+4411
\ No newline at end of file