diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/items/base/ItemEnergy.java b/src/main/java/de/ellpeck/actuallyadditions/mod/items/base/ItemEnergy.java
index f6cf6c66e..51a620151 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/items/base/ItemEnergy.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/items/base/ItemEnergy.java
@@ -97,8 +97,8 @@ public abstract class ItemEnergy extends ItemEnergyContainer{
 
     @Override
     public double getDurabilityForDisplay(ItemStack stack){
-        double energyDif = this.getMaxEnergyStored(stack)-this.getEnergyStored(stack);
         double maxAmount = this.getMaxEnergyStored(stack);
+        double energyDif = maxAmount-this.getEnergyStored(stack);
         return energyDif/maxAmount;
     }
 
diff --git a/src/main/resources/assets/actuallyadditions/lang/en_US.lang b/src/main/resources/assets/actuallyadditions/lang/en_US.lang
index 90df0bcf0..833c3e8bf 100644
--- a/src/main/resources/assets/actuallyadditions/lang/en_US.lang
+++ b/src/main/resources/assets/actuallyadditions/lang/en_US.lang
@@ -836,7 +836,7 @@ booklet.actuallyadditions.chapter.waterRemovalRing.name=Ring Of Liquid Banning
 booklet.actuallyadditions.chapter.waterRemovalRing.text.1=The <item>Ring Of Liquid Banning<r>, when it is charged in an Energizer and in your hand, uses <imp>RF<r> to remove <imp>Lava<r> and <imp>Water<r>.
 
 booklet.actuallyadditions.chapter.batteries.name=Batteries
-booklet.actuallyadditions.chapter.batteries.text.1=<item>Batteries<r> are a good way to store RF to move around. They can be <imp>charged in an Energizer<r> and <imp>discharged in an Enervator<r>.
+booklet.actuallyadditions.chapter.batteries.text.1=<item>Batteries<r> are a good way to store RF to move around. They can be <imp>charged in an Energizer<r> and <imp>discharged in an Enervator<r>. <n><n>When holding them in hand, they can be <imp>sneak-right-clicked<r> to put them into <imp>discharge mode<r>. This means that they will <imp>charge<r> any <imp>other items in your inventory<r>.
 
 booklet.actuallyadditions.chapter.leafGen.name=Leaf-Eating Generator
 booklet.actuallyadditions.chapter.leafGen.text.1=The <item>Leaf Generator<r> can generate <imp>RF<r> just by being placed alongside some <item>Leaves<r>. <n>It will destroy the leaves, generating <imp><rf> RF per leaf broken<r> in the process. <n>By right-clicking the generator, you can see how much RF it has stored. <n>It has a <imp>range of <range><r> blocks.