diff --git a/config.json b/config.json
index c7bdec6..0dd6b0d 100755
--- a/config.json
+++ b/config.json
@@ -2,8 +2,8 @@
 	"status_led_pin": 22,
 	"battery_coeff": 2.25,
 	"sumo_id": "xxxxxxxx",
-	"firmware_timestamp": "2019.04.07 14:44:00",
-	"firmware_version": "0.4.1",
+	"firmware_timestamp": "2019.04.14 16:34:00",
+	"firmware_version": "0.4.2",
 	"left_servo_tuning": 33,
 	"right_servo_tuning": 33,
 	"ultrasonic_distance": 40,
diff --git a/hal.py b/hal.py
index 0fb9fbc..b2132bc 100755
--- a/hal.py
+++ b/hal.py
@@ -57,6 +57,7 @@ class Sumorobot(object):
         self.bat_status = 4.3
         self.move_counter = 0
         self.adc_battery = ADC(Pin(32))
+        self.bat_charge = Pin(25, Pin.IN)
 
         # The pullups for the phototransistors
         Pin(19, Pin.IN, Pin.PULL_UP)
@@ -282,6 +283,7 @@ class Sumorobot(object):
             left_line = self.get_line(LEFT),
             right_line = self.get_line(RIGHT),
             opponent = self.get_opponent_distance(),
+            battery_charge = self.bat_charge.value(),
             battery_voltage = self.get_battery_voltage()
         )