diff --git a/.github/workflows/outboards/bat43.outboard b/.github/workflows/outboards/bat43.outboard
new file mode 100644
index 0000000..900332a
--- /dev/null
+++ b/.github/workflows/outboards/bat43.outboard
@@ -0,0 +1,7 @@
+# Copyright 2021 Manna Harbour
+# https://github.com/manna-harbour/miryoku
+
+outboard_repository=dnaq/zmk
+outboard_ref=bat43-keymap
+outboard_from=app/boards/shields/bat43
+outboard_to=boards/shields/bat43
diff --git a/.github/workflows/src/test-shields.yml.m4 b/.github/workflows/src/test-shields.yml.m4
index 5bfd6e9..e7122ec 100644
--- a/.github/workflows/src/test-shields.yml.m4
+++ b/.github/workflows/src/test-shields.yml.m4
@@ -9,6 +9,7 @@ m4_include(include/jobs-build.yml.m4)m4_dnl
           - a_dux_right
           - bastyl_left # outboard
           - bastyl_right # outboard
+          - bat43 # outboard
           - boardsource5x12 # outboard
           - contra # outboard
           - corne_left
diff --git a/.github/workflows/test-shields.yml b/.github/workflows/test-shields.yml
index 4db02f4..998ebad 100644
--- a/.github/workflows/test-shields.yml
+++ b/.github/workflows/test-shields.yml
@@ -19,6 +19,7 @@ jobs:
           - a_dux_right
           - bastyl_left # outboard
           - bastyl_right # outboard
+          - bat43 # outboard
           - boardsource5x12 # outboard
           - contra # outboard
           - corne_left
diff --git a/config/bat43.keymap b/config/bat43.keymap
new file mode 100644
index 0000000..16a7d73
--- /dev/null
+++ b/config/bat43.keymap
@@ -0,0 +1,6 @@
+// Copyright 2021 Manna Harbour
+// https://github.com/manna-harbour/miryoku
+
+#include "../miryoku/config.h"
+#include "../miryoku/mapping/48-bat43.h"
+#include "../miryoku/miryoku.dtsi"
diff --git a/miryoku/mapping/48-bat43.h b/miryoku/mapping/48-bat43.h
new file mode 100644
index 0000000..cf333b2
--- /dev/null
+++ b/miryoku/mapping/48-bat43.h
@@ -0,0 +1,16 @@
+// Copyright 2021 Manna Harbour
+// https://github.com/manna-harbour/miryoku
+
+#define XXX &none
+
+#define MIRYOKU_MAPPING( \
+     K00, K01, K02, K03, K04,      K05, K06, K07, K08, K09, \
+     K10, K11, K12, K13, K14,      K15, K16, K17, K18, K19, \
+     K20, K21, K22, K23, K24,      K25, K26, K27, K28, K29, \
+     N30, N31, K32, K33, K34,      K35, K36, K37, N38, N39 \
+) \
+XXX  K00  K01  K02  K03  K04       K05  K06  K07  K08  K09  XXX \
+XXX  K10  K11  K12  K13  K14  XXX  K15  K16  K17  K18  K19  XXX \
+XXX  K20  K21  K22  K23  K24       K25  K26  K27  K28  K29  XXX \
+               K32  K33  K34       K35  K36  K37 \
+                    XXX  XXX       XXX  XXX  XXX