diff --git a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
index 177810f9..758743b1 100644
--- a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
@@ -53,7 +53,7 @@ public class BaseMetaTileEntity extends BaseTileEntity implements IGregTechTileE
     protected long mStoredEnergy = 0, mStoredSteam = 0;
     protected int mAverageEUInputIndex = 0, mAverageEUOutputIndex = 0;
     protected boolean mReleaseEnergy = false;
-    protected int[] mAverageEUInput = new int[]{0, 0, 0, 0, 0}, mAverageEUOutput = new int[]{0, 0, 0, 0, 0};
+    protected int[] mAverageEUInput = new int[11], mAverageEUOutput = new int[11];
     private boolean[] mActiveEUInputs = new boolean[]{false, false, false, false, false, false}, mActiveEUOutputs = new boolean[]{false, false, false, false, false, false};
     private byte[] mSidedRedstone = new byte[]{15, 15, 15, 15, 15, 15};
     private int[] mCoverSides = new int[]{0, 0, 0, 0, 0, 0}, mCoverData = new int[]{0, 0, 0, 0, 0, 0}, mTimeStatistics = new int[GregTech_API.TICKS_FOR_LAG_AVERAGING];
@@ -1574,15 +1574,21 @@ public class BaseMetaTileEntity extends BaseTileEntity implements IGregTechTileE
     @Override
     public long getAverageElectricInput() {
         int rEU = 0;
-        for (int tEU : mAverageEUInput) rEU += tEU;
-        return rEU / mAverageEUInput.length;
+        for (int i = 0; i < mAverageEUInput.length; i++) {
+            if (i != mAverageEUInputIndex)
+                rEU += mAverageEUInput[i];
+        }
+        return rEU / (mAverageEUInput.length - 1);
     }
 
     @Override
     public long getAverageElectricOutput() {
         int rEU = 0;
-        for (int tEU : mAverageEUOutput) rEU += tEU;
-        return rEU / mAverageEUOutput.length;
+        for (int i = 0; i < mAverageEUOutput.length; i++) {
+            if (i != mAverageEUOutputIndex)
+                rEU += mAverageEUOutput[i];
+        }
+        return rEU / (mAverageEUOutput.length - 1);
     }
 
     @Override
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicBatteryBuffer.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicBatteryBuffer.java
index 5c248055..41788c65 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicBatteryBuffer.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicBatteryBuffer.java
@@ -314,12 +314,15 @@ public class GT_MetaTileEntity_BasicBatteryBuffer extends GT_MetaTileEntity_Tier
             mStored = tmp[0];
             mMax = tmp[1];
         }
-
         return new String[]{
                 getLocalName(),
                 "Stored Items:",
                 GT_Utility.formatNumbers(mStored) + " EU /",
-                GT_Utility.formatNumbers(mMax) + " EU"};
+                GT_Utility.formatNumbers(mMax) + " EU",
+                "Average input:",
+                getBaseMetaTileEntity().getAverageElectricInput()+"",
+                "Average output:",
+                getBaseMetaTileEntity().getAverageElectricOutput()+""};
     }
 
     @Override