diff --git a/library.json b/library.json
index 0ad88ae..712e693 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "Watchy",
-  "version": "1.2.8",
+  "version": "1.2.9",
   "description": "Watchy - An Open Source E-Paper Watch by SQFMI",
   "authors": [
     {
diff --git a/library.properties b/library.properties
index f79eccb..c805d75 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Watchy
-version=1.2.8
+version=1.2.9
 author=SQFMI
 maintainer=SQFMI
 sentence=Watchy - An Open Source E-Paper Watch by SQFMI
diff --git a/src/Watchy.cpp b/src/Watchy.cpp
index 9fcf837..1a1ee9a 100644
--- a/src/Watchy.cpp
+++ b/src/Watchy.cpp
@@ -581,8 +581,11 @@ weatherData Watchy::getWeatherData(){
 }
 
 float Watchy::getBatteryVoltage(){
-    // Battery voltage goes through a 1/2 divider.
-    return analogReadMilliVolts(ADC_PIN) / 1000.0f * 2.0f;
+    if(RTC.rtcType == DS3231){
+        return analogReadMilliVolts(V10_ADC_PIN) / 1000.0f * 2.0f; // Battery voltage goes through a 1/2 divider.
+    }else{
+        return analogReadMilliVolts(V15_ADC_PIN) / 1000.0f * 2.0f;
+    }
 }
 
 uint16_t Watchy::_readRegister(uint8_t address, uint8_t reg, uint8_t *data, uint16_t len)
diff --git a/src/config.h b/src/config.h
index 716a57c..36815fb 100644
--- a/src/config.h
+++ b/src/config.h
@@ -4,8 +4,8 @@
 //pins
 #define SDA 21
 #define SCL 22
-//#define ADC_PIN 33
-#define ADC_PIN 35
+#define V10_ADC_PIN 33 //OG v1.0 Watchy
+#define V15_ADC_PIN 35 //v1.5 Watchy with PCF8563 RTC
 #define RTC_PIN GPIO_NUM_27
 #define CS 5
 #define DC 10