diff --git a/driver/uart.c b/driver/uart.c
index 051c3fa..c798880 100644
--- a/driver/uart.c
+++ b/driver/uart.c
@@ -106,6 +106,17 @@ void MyUART_InitGPIO(MyUART_Struct_Typedef * UARTStructPtr)
 	MyGPIO_Init(&txd);
 }
 
+int MyUART_SendArray(MyUART_Struct_Typedef *UART, uint8_t * data, int dataLength)
+{
+	int i;
+	for(i=0; i<dataLength; i++)
+	{
+		UART->UART->DR = data[i];
+		while (!(UART->UART->SR & USART_SR_TXE));
+	}
+	return 0;
+}
+
 void MyUART_Send(MyUART_Struct_Typedef *UART, uint8_t data)
 {
   UART->UART->DR = data;
diff --git a/driver/uart.h b/driver/uart.h
index 262a4c5..d27238e 100644
--- a/driver/uart.h
+++ b/driver/uart.h
@@ -30,6 +30,7 @@ typedef struct {
 
 void MyUART_Init(MyUART_Struct_Typedef * UARTStructPtr);
 void MyUART_InitGPIO(MyUART_Struct_Typedef * UARTStructPtr);
+int MyUART_SendArray(MyUART_Struct_Typedef *UART, uint8_t * data, int dataLength);
 void MyUART_Send(MyUART_Struct_Typedef *UART, uint8_t data);
 uint8_t MyUART_Receive(MyUART_Struct_Typedef *UART);
 void MyUART_Init_Periph (void (* ptrFonction)(uint8_t));
diff --git a/implementation/battery.c b/implementation/battery.c
index 1e6a9b8..6c456b7 100644
--- a/implementation/battery.c
+++ b/implementation/battery.c
@@ -6,14 +6,25 @@ extern MyUART_Struct_Typedef uartCool;
 
 void battery(uint32_t data)
 {
-	if(data >= 0x420)	//0x429 -> approx. 12V
+	int i;
+	float percentBattery = ((float)data)/MAX_BAT;
+	uint8_t batteryBar[12], batteryGauge=percentBattery*10;
+	if(batteryGauge>10)
 	{
-		MyUART_Send(&uartCool,'h');
+		batteryGauge = 10;
 	}
-	else {
-		MyUART_Send(&uartCool,'l');
+	batteryBar[0] = '[';
+	for(i=1; i<=(10-batteryGauge); i++)
+	{
+		batteryBar[i]='.';
 	}
-	
+	while(i<11)
+	{
+		batteryBar[i]='#';
+		i++;
+	}
+	batteryBar[i]=']';
+	MyUART_SendArray(&uartCool, batteryBar, 12);
 }
 
 void initBattery(void)
diff --git a/implementation/battery.h b/implementation/battery.h
index 343b80b..4170796 100644
--- a/implementation/battery.h
+++ b/implementation/battery.h
@@ -1,6 +1,7 @@
 #ifndef BATTERY_H
 #define BATTERY_H
 #include "stm32f10x.h"
+#define MAX_BAT	1145
 
 void battery(uint32_t data);
 void initBattery(void);