diff --git a/charger/go-e-test.go b/charger/go-e-test.go
new file mode 100644
index 000000000..50f9217bb
--- /dev/null
+++ b/charger/go-e-test.go
@@ -0,0 +1,20 @@
+package charger
+
+import (
+	"testing"
+
+	"github.com/andig/evcc/api"
+)
+
+// TestGoE tests interfaces
+func TestGoE(t *testing.T) {
+	var wb api.Charger = NewGoE("foo")
+
+	if _, ok := wb.(api.MeterCurrent); !ok {
+		t.Error("missing MeterCurrents interface")
+	}
+
+	if _, ok := wb.(api.ChargeRater); !ok {
+		t.Error("missing ChargeRater interface")
+	}
+}
diff --git a/charger/keba_test.go b/charger/keba_test.go
new file mode 100644
index 000000000..f299299e6
--- /dev/null
+++ b/charger/keba_test.go
@@ -0,0 +1,23 @@
+package charger
+
+import (
+	"testing"
+
+	"github.com/andig/evcc/api"
+)
+
+func TestKeba(t *testing.T) {
+	var wb api.Charger = NewKeba("foo", RFID{}, 0)
+
+	if _, ok := wb.(api.MeterEnergy); !ok {
+		t.Error("missing MeterEnergy interface")
+	}
+
+	if _, ok := wb.(api.MeterCurrent); !ok {
+		t.Error("missing MeterCurrents interface")
+	}
+
+	if _, ok := wb.(api.ChargeRater); !ok {
+		t.Error("missing ChargeRater interface")
+	}
+}
diff --git a/charger/nrgble_linux_test.go b/charger/nrgble_linux_test.go
new file mode 100644
index 000000000..80e27ac1e
--- /dev/null
+++ b/charger/nrgble_linux_test.go
@@ -0,0 +1,15 @@
+package charger
+
+import (
+	"testing"
+
+	"github.com/andig/evcc/api"
+)
+
+func TestNRGKickBLE(t *testing.T) {
+	var wb api.Charger = &NRGKickBLE{}
+
+	if _, ok := wb.(api.MeterCurrent); !ok {
+		t.Error("missing MeterCurrents interface")
+	}
+}
diff --git a/charger/nrgconnect_test.go b/charger/nrgconnect_test.go
new file mode 100644
index 000000000..14e2641c5
--- /dev/null
+++ b/charger/nrgconnect_test.go
@@ -0,0 +1,19 @@
+package charger
+
+import (
+	"testing"
+
+	"github.com/andig/evcc/api"
+)
+
+func TestNRGKickConnect(t *testing.T) {
+	var wb api.Charger = NewNRGKickConnect("foo", "bar", "baz")
+
+	if _, ok := wb.(api.MeterEnergy); !ok {
+		t.Error("missing MeterEnergy interface")
+	}
+
+	if _, ok := wb.(api.MeterCurrent); !ok {
+		t.Error("missing MeterCurrents interface")
+	}
+}