diff --git a/charger/openwb-native_decorators_linux.go b/charger/openwb-native_decorators_linux.go
index 1ba8d2115..0dbae57ec 100644
--- a/charger/openwb-native_decorators_linux.go
+++ b/charger/openwb-native_decorators_linux.go
@@ -6,12 +6,23 @@ import (
 	"github.com/evcc-io/evcc/api"
 )
 
-func decorateOpenWbNative(base *OpenWbNative, phaseSwitcher func(int) error, identifier func() (string, error)) api.Charger {
+func decorateOpenWbNative(base *OpenWbNative, chargerEx func(float64) error, phaseSwitcher func(int) error, identifier func() (string, error)) api.Charger {
 	switch {
-	case identifier == nil && phaseSwitcher == nil:
+	case chargerEx == nil && identifier == nil && phaseSwitcher == nil:
 		return base
 
-	case identifier == nil && phaseSwitcher != nil:
+	case chargerEx != nil && identifier == nil && phaseSwitcher == nil:
+		return &struct {
+			*OpenWbNative
+			api.ChargerEx
+		}{
+			OpenWbNative: base,
+			ChargerEx: &decorateOpenWbNativeChargerExImpl{
+				chargerEx: chargerEx,
+			},
+		}
+
+	case chargerEx == nil && identifier == nil && phaseSwitcher != nil:
 		return &struct {
 			*OpenWbNative
 			api.PhaseSwitcher
@@ -22,7 +33,22 @@ func decorateOpenWbNative(base *OpenWbNative, phaseSwitcher func(int) error, ide
 			},
 		}
 
-	case identifier != nil && phaseSwitcher == nil:
+	case chargerEx != nil && identifier == nil && phaseSwitcher != nil:
+		return &struct {
+			*OpenWbNative
+			api.ChargerEx
+			api.PhaseSwitcher
+		}{
+			OpenWbNative: base,
+			ChargerEx: &decorateOpenWbNativeChargerExImpl{
+				chargerEx: chargerEx,
+			},
+			PhaseSwitcher: &decorateOpenWbNativePhaseSwitcherImpl{
+				phaseSwitcher: phaseSwitcher,
+			},
+		}
+
+	case chargerEx == nil && identifier != nil && phaseSwitcher == nil:
 		return &struct {
 			*OpenWbNative
 			api.Identifier
@@ -33,7 +59,22 @@ func decorateOpenWbNative(base *OpenWbNative, phaseSwitcher func(int) error, ide
 			},
 		}
 
-	case identifier != nil && phaseSwitcher != nil:
+	case chargerEx != nil && identifier != nil && phaseSwitcher == nil:
+		return &struct {
+			*OpenWbNative
+			api.ChargerEx
+			api.Identifier
+		}{
+			OpenWbNative: base,
+			ChargerEx: &decorateOpenWbNativeChargerExImpl{
+				chargerEx: chargerEx,
+			},
+			Identifier: &decorateOpenWbNativeIdentifierImpl{
+				identifier: identifier,
+			},
+		}
+
+	case chargerEx == nil && identifier != nil && phaseSwitcher != nil:
 		return &struct {
 			*OpenWbNative
 			api.Identifier
@@ -47,11 +88,38 @@ func decorateOpenWbNative(base *OpenWbNative, phaseSwitcher func(int) error, ide
 				phaseSwitcher: phaseSwitcher,
 			},
 		}
+
+	case chargerEx != nil && identifier != nil && phaseSwitcher != nil:
+		return &struct {
+			*OpenWbNative
+			api.ChargerEx
+			api.Identifier
+			api.PhaseSwitcher
+		}{
+			OpenWbNative: base,
+			ChargerEx: &decorateOpenWbNativeChargerExImpl{
+				chargerEx: chargerEx,
+			},
+			Identifier: &decorateOpenWbNativeIdentifierImpl{
+				identifier: identifier,
+			},
+			PhaseSwitcher: &decorateOpenWbNativePhaseSwitcherImpl{
+				phaseSwitcher: phaseSwitcher,
+			},
+		}
 	}
 
 	return nil
 }
 
+type decorateOpenWbNativeChargerExImpl struct {
+	chargerEx func(float64) error
+}
+
+func (impl *decorateOpenWbNativeChargerExImpl) MaxCurrentMillis(p0 float64) error {
+	return impl.chargerEx(p0)
+}
+
 type decorateOpenWbNativeIdentifierImpl struct {
 	identifier func() (string, error)
 }
diff --git a/charger/openwb-native_linux.go b/charger/openwb-native_linux.go
index 0dbb80ed3..a6c24c674 100644
--- a/charger/openwb-native_linux.go
+++ b/charger/openwb-native_linux.go
@@ -35,7 +35,7 @@ func init() {
 	registry.AddCtx("openwb-native", NewOpenWbNativeFromConfig)
 }
 
-//go:generate go tool decorate -o openwb-native_decorators_linux.go -f decorateOpenWbNative -b *OpenWbNative -r api.Charger -t "api.PhaseSwitcher,Phases1p3p,func(int) error" -t "api.Identifier,Identify,func() (string, error)"
+//go:generate go tool decorate -o openwb-native_decorators_linux.go -f decorateOpenWbNative -b *OpenWbNative -r api.Charger -t "api.ChargerEx,MaxCurrentMillis,func(float64) error" -t "api.PhaseSwitcher,Phases1p3p,func(int) error" -t "api.Identifier,Identify,func() (string, error)"
 
 // NewOpenWbNativeFromConfig creates an OpenWbNative charger from generic config
 func NewOpenWbNativeFromConfig(ctx context.Context, other map[string]any) (api.Charger, error) {
@@ -57,18 +57,18 @@ func NewOpenWbNativeFromConfig(ctx context.Context, other map[string]any) (api.C
 		return nil, err
 	}
 
+	if (cc.Connector < 1) || (cc.Connector > 2) {
+		return nil, fmt.Errorf("invalid connector value: %d", cc.Connector)
+	}
+	if cc.CpWait < minCpWaitTime {
+		return nil, fmt.Errorf("invalid cpwait value: %v, needs to be greater than %s", cc.CpWait, minCpWaitTime)
+	}
+
 	return NewOpenWbNative(ctx, cc.URI, cc.Device, cc.Comset, cc.Baudrate, cc.Protocol(), cc.ID, cc.Phases1p3p, cc.RfId, cc.CpWait, cc.Connector)
 }
 
 // NewOpenWbNative creates OpenWbNative charger
 func NewOpenWbNative(ctx context.Context, uri, device, comset string, baudrate int, proto modbus.Protocol, slaveID uint8, hasPhases1p3p bool, rfIdVidPid string, cpWait time.Duration, connector int) (api.Charger, error) {
-	if (connector < 1) || (connector > 2) {
-		return nil, fmt.Errorf("invalid connector value: %d", connector)
-	}
-	if cpWait < minCpWaitTime {
-		return nil, fmt.Errorf("invalid cpwait value: %s, needs to be greater %s", cpWait.String(), minCpWaitTime)
-	}
-
 	log := util.NewLogger("openwb-native")
 	log.DEBUG.Printf("Creating OpenWB native with 3 phases %t, rfid %s, cpwait %s, connector %d", hasPhases1p3p, rfIdVidPid, cpWait.String(), connector)
 
@@ -86,10 +86,15 @@ func NewOpenWbNative(ctx context.Context, uri, device, comset string, baudrate i
 	}
 
 	var (
-		phases1p3p func(int) error
-		identify   func() (string, error)
+		phases1p3p       func(int) error
+		identify         func() (string, error)
+		maxCurrentMillis func(float64) error
 	)
 
+	if ex, ok := evse.(api.ChargerEx); ok {
+		maxCurrentMillis = ex.MaxCurrentMillis
+	}
+
 	// configure special external hardware features
 	if hasPhases1p3p {
 		phases1p3p = wb.phases1p3p
@@ -114,7 +119,7 @@ func NewOpenWbNative(ctx context.Context, uri, device, comset string, baudrate i
 		rpio.Pin(pin.Value().(int)).Output()
 	}
 
-	return decorateOpenWbNative(wb, phases1p3p, identify), nil
+	return decorateOpenWbNative(wb, maxCurrentMillis, phases1p3p, identify), nil
 }
 
 // Status implements the api.Charger interface