diff --git a/themes/unity/icons/volume-high.svg b/themes/unity/icons/volume-high.svg
index 486ec0b..99589c1 100644
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diff --git a/themes/unity/icons/volume-low.svg b/themes/unity/icons/volume-low.svg
index 824a3f6..82888ae 100644
--- a/themes/unity/icons/volume-low.svg
+++ b/themes/unity/icons/volume-low.svg
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diff --git a/themes/unity/icons/volume-medium.svg b/themes/unity/icons/volume-medium.svg
index 5e6dd1f..099284c 100644
--- a/themes/unity/icons/volume-medium.svg
+++ b/themes/unity/icons/volume-medium.svg
@@ -1,15 +1,94 @@
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diff --git a/themes/unity/icons/volume-muted.svg b/themes/unity/icons/volume-muted.svg
index bf8f17a..20ddd79 100644
--- a/themes/unity/icons/volume-muted.svg
+++ b/themes/unity/icons/volume-muted.svg
@@ -1,23 +1,94 @@
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diff --git a/themes/unity2/icons/battery-caution-charging-symbolic.svg b/themes/unity2/icons/battery-caution-charging-symbolic.svg
index 56fe444..84410f5 100644
--- a/themes/unity2/icons/battery-caution-charging-symbolic.svg
+++ b/themes/unity2/icons/battery-caution-charging-symbolic.svg
@@ -1,12 +1,138 @@
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diff --git a/themes/unity2/icons/battery-empty-symbolic.svg b/themes/unity2/icons/battery-empty-symbolic.svg
index 710c02b..cf392d7 100644
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index ae88a8c..0652e7e 100644
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 </svg>
diff --git a/themes/unity_simplified/icons/volume-muted.svg b/themes/unity_simplified/icons/volume-muted.svg
index bf8f17a..20ddd79 100644
--- a/themes/unity_simplified/icons/volume-muted.svg
+++ b/themes/unity_simplified/icons/volume-muted.svg
@@ -1,23 +1,94 @@
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+<svg
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+   height="24"
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+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#">
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+     id="defs19" />
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+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
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+     inkscape:zoom="72.666667"
+     inkscape:cx="3.2752294"
+     inkscape:cy="12.412844"
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+     inkscape:window-height="1030"
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+     inkscape:window-y="24"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg15">
+    <inkscape:grid
+       type="xygrid"
+       id="grid1843" />
+  </sodipodi:namedview>
+  <style
+     id="current-color-scheme"
+     type="text/css">
         .ColorScheme-Text {
             color:#232629;
         }
-        .ColorScheme-NegativeText {
-            color:#da4453;
-        }
     </style>
-  <g transform="translate(1,1)">
-    <g class="ColorScheme-Text" fill="currentColor">
-      <path d="m3 8v6h2v-6z"/>
-      <path d="m6 8v6l5 5h1v-5z"/>
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-  </g>
+  <metadata
+     id="metadata836">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <cc:license
+           rdf:resource="http://creativecommons.org/publicdomain/zero/1.0/" />
+      </cc:Work>
+      <cc:License
+         rdf:about="http://creativecommons.org/publicdomain/zero/1.0/">
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#Reproduction" />
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#Distribution" />
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#DerivativeWorks" />
+      </cc:License>
+    </rdf:RDF>
+  </metadata>
+  <rect
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+     id="rect1759"
+     width="2.5168655"
+     height="6"
+     x="3.5091887"
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+  <path
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+     d="m 5.5091887,9 c 0,0 3.083097,-3.0474837 3,-3 h 1 v 12 h -1 l -3,-3 z"
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+  <path
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+  <path
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+     sodipodi:nodetypes="cc" />
+  <path
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 </svg>