diff --git a/library/power.dcm b/library/power.dcm
index 3de5f82e..91a7059e 100644
--- a/library/power.dcm
+++ b/library/power.dcm
@@ -1,5 +1,10 @@
 EESchema-DOCLIB  Version 2.0
 #
+$CMP +10V
+D power-flag symbol
+K Power Flag Symbol
+$ENDCMP
+#
 $CMP +12C
 D power-flag symbol
 K Power Flag Symbol
@@ -280,6 +285,11 @@ D power-flag symbol
 K Power Flag Symbol
 $ENDCMP
 #
+$CMP -9V
+D power-flag symbol
+K Power Flag Symbol
+$ENDCMP
+#
 $CMP -9VA
 D power-flag symbol
 K Power Flag Symbol
diff --git a/library/power.lib b/library/power.lib
index 779cdfb7..4613d9c1 100644
--- a/library/power.lib
+++ b/library/power.lib
@@ -1,6 +1,21 @@
 EESchema-LIBRARY Version 2.3
 #encoding utf-8
 #
+# +10V
+#
+DEF +10V #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "+10V" 0 140 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 2 0 1 0 -30 50 0 100 N
+P 2 0 1 0 0 0 0 100 N
+P 2 0 1 0 0 100 30 50 N
+X +10V 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
 # +12C
 #
 DEF +12C #PWR 0 0 Y Y 1 F P
@@ -799,6 +814,20 @@ P 6 0 1 0 0 0 0 50 30 50 0 100 -30 50 0 50 F
 ENDDRAW
 ENDDEF
 #
+# -9V
+#
+DEF -9V #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -125 50 H I C CNN
+F1 "-9V" 0 150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 2 0 1 0 0 0 0 100 N
+P 4 0 1 0 30 50 -30 50 0 100 30 50 F
+X -9V 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
 # -9VA
 #
 DEF -9VA #PWR 0 0 Y Y 1 F P