diff --git a/.github/workflows/compile-all-double-batteries.yml b/.github/workflows/compile-all-double-batteries.yml
new file mode 100644
index 00000000..7797cc91
--- /dev/null
+++ b/.github/workflows/compile-all-double-batteries.yml
@@ -0,0 +1,93 @@
+# This is the name of the workflow, visible on GitHub UI.
+name: Compile All Double Batteries
+
+# Here we tell GitHub when to run the workflow.
+on:
+  # The workflow is run when a commit is pushed or for a
+  # Pull Request.
+  - push
+  - pull_request
+
+# This is the list of jobs that will be run concurrently.
+jobs:
+  # This pre-job is run to skip workflows in case a workflow is already run, i.e. because the workflow is triggered by both push and pull_request
+  skip-duplicate-actions:
+    runs-on: ubuntu-latest
+    # Map a step output to a job output
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          # All of these options are optional, so you can remove them if you are happy with the defaults
+          concurrent_skipping: 'never'
+          skip_after_successful_duplicate: 'true'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
+  # Since we use a build matrix, the actual number of jobs
+  # started depends on how many configurations the matrix
+  # will produce.
+  build-batteries:
+    needs: skip-duplicate-actions
+    if: needs.skip-duplicate-actions.outputs.should_skip != 'true'
+
+    # Here we tell GitHub that the jobs must be determined
+    # dynamically depending on a matrix configuration.
+    strategy:
+      # The matrix will produce one job for each combination of parameters.
+      matrix:
+        # This is the development board hardware for which the code will be compiled.
+        # FBQN stands for "fully qualified board name", and is used by Arduino to define the hardware to compile for.
+        fqbn:
+          - esp32:esp32:esp32
+          # further ESP32 chips
+          #- esp32:esp32:esp32c3
+          #- esp32:esp32:esp32c2
+          #- esp32:esp32:esp32c6
+          #- esp32:esp32:esp32h2
+          #- esp32:esp32:esp32s3
+        # These are the batteries for which the code will be compiled.
+        battery:
+          - BMW_I3_BATTERY 
+          - BYD_ATTO_3_BATTERY
+          - KIA_HYUNDAI_64_BATTERY
+          - PYLON_BATTERY
+          - SANTA_FE_PHEV_BATTERY
+          - TEST_FAKE_BATTERY
+        # These are the emulated inverter communication protocols for which the code will be compiled.
+        inverter:
+          - BYD_CAN
+        # These are the supported hardware platforms for which the code will be compiled.
+        hardware:
+          - HW_LILYGO
+
+    # This is the platform GitHub will use to run our workflow.
+    runs-on: ubuntu-latest
+
+    # This is the list of steps this job will run.
+    steps:
+      # First we clone the repo using the `checkout` action.
+      - name: Checkout
+        uses: actions/checkout@v4
+      
+      # Copy USER_SECRETS.TEMPLATE.h to USER_SECRETS.h
+      - name: Copy USER_SECRETS.TEMPLATE.h to USER_SECRETS.h
+        run: cp ./Software/USER_SECRETS.TEMPLATE.h ./Software/USER_SECRETS.h
+
+      # We use the `arduino/setup-arduino-cli` action to install and
+      # configure the Arduino CLI on the system.
+      - name: Setup Arduino CLI
+        uses: arduino/setup-arduino-cli@v2
+
+      # We then install the platform.
+      - name: Install platform
+        run: |
+          arduino-cli core update-index
+          arduino-cli core install esp32:esp32
+
+      # Finally, we compile the sketch, using the FQBN that was set
+      # in the build matrix, and using build flags to define the
+      # battery and inverter set in the build matrix.
+      - name: Compile Sketch
+        run: arduino-cli compile --fqbn ${{ matrix.fqbn }} --build-property "build.extra_flags=-Wall -Wextra -Wpedantic -Werror -DESP32 -DDOUBLE_BATTERY -D${{ matrix.battery}} -D${{ matrix.inverter}} -D${{ matrix.hardware}}" ./Software