diff --git a/libtest.png b/libtest.png
index cc6b261..b5a069a 100644
Binary files a/libtest.png and b/libtest.png differ
diff --git a/readme.md b/readme.md
index b22c8d1..2c9042f 100644
--- a/readme.md
+++ b/readme.md
@@ -234,8 +234,9 @@ exposing enough information to make a battery box.
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
-|   6 | `battery_contact(bcontact, false)` |  Battery negative contact |
-|   6 | `battery_contact(bcontact, true)` |  Battery positive contact |
+|   7 | `battery_contact(bcontact, false)` |  Battery negative contact |
+|   7 | `battery_contact(bcontact, true)` |  Battery positive contact |
+|   1 | `battery(A23CELL)` |  Cell A23 12v |
 |   1 | `battery(AACELL)` |  Cell AA |
 |   1 | `battery(AAACELL)` |  Cell AAA |
 |   1 | `battery(CCELL)` |  Cell C |
diff --git a/tests/png/batteries.png b/tests/png/batteries.png
index bf60c6f..c496080 100644
Binary files a/tests/png/batteries.png and b/tests/png/batteries.png differ
diff --git a/vitamins/batteries.scad b/vitamins/batteries.scad
index 42a257d..755bb0a 100644
--- a/vitamins/batteries.scad
+++ b/vitamins/batteries.scad
@@ -44,7 +44,7 @@ AACELL    = ["AACELL",    "Cell AA",                                  50.5, 14.5
 AAACELL   = ["AAACELL",   "Cell AAA",                                 44.5, 10.5,  8, 3.8, 0.8, "grey",           [],                      0, bcontact];
 CCELL     = ["CCELL",     "Cell C",                                   50,   26.2, 20, 7.5, 1.5, "brown",          [],                      0, bcontact];
 DCELL     = ["DCELL",     "Cell D",                                   61.5, 34.2, 22, 8.2, 2.4, "brown",          [],                      0, bcontact];
-A23CELL   = ["A23CELL",   "Cell A23 12v",                              28.5, 10.3, 5.2,5.2, 1.0, "silver",         [],                      0, bcontact];
+A23CELL   = ["A23CELL",   "Cell A23 12v",                             28.5, 10.3, 5.2,5.2, 1.0, "silver",         [],                      0, bcontact];
 
 batteries = [AAACELL, AACELL, CCELL, DCELL, LUMINTOP, S25R18650, A23CELL];