diff --git a/charger/keba.go b/charger/keba.go
index 77cbf0de9..b63a9d9a7 100644
--- a/charger/keba.go
+++ b/charger/keba.go
@@ -247,6 +247,21 @@ func (c *Keba) MaxCurrent(current int64) error {
 	return nil
 }
 
+// MaxCurrentMillis implements the ChargerEx interface
+func (c *Keba) MaxCurrentMillis(current float64) error {
+	d := int(1000 * current)
+
+	var resp string
+	if err := c.roundtrip(fmt.Sprintf("curr %d", d), 0, &resp); err != nil {
+		return err
+	}
+	if resp != keba.OK {
+		return fmt.Errorf("curr %d unexpected response: %s", d, resp)
+	}
+
+	return nil
+}
+
 // CurrentPower implements the Meter interface
 func (c *Keba) CurrentPower() (float64, error) {
 	var kr keba.Report3