diff --git a/charger/cfos.go b/charger/cfos.go
index fd413ea10..dd7a9dc39 100644
--- a/charger/cfos.go
+++ b/charger/cfos.go
@@ -11,12 +11,13 @@ import (
 )
 
 const (
-	cfosRegRelaySelect  = 8087 // Holding
-	cfosRegStatus       = 8092 // Holding
-	cfosRegMaxCurrent   = 8093 // Holding
-	cfosRegEnable       = 8094 // Holding
-	cfosRegLastRfid     = 8096 // Holding
-	cfosRegSolarEnabled = 8113 // Holding
+	cfosRegDisconnectCp = 8086
+	cfosRegRelaySelect  = 8087
+	cfosRegStatus       = 8092
+	cfosRegMaxCurrent   = 8093
+	cfosRegEnable       = 8094
+	cfosRegLastRfid     = 8096
+	cfosRegSolarEnabled = 8113
 )
 
 // CfosPowerBrain is an charger implementation for cFos PowerBrain wallboxes.
@@ -149,6 +150,14 @@ func (wb *CfosPowerBrain) phases1p3p(phases int) error {
 	return err
 }
 
+var _ api.Resurrector = (*CfosPowerBrain)(nil)
+
+// WakeUp implements the api.Resurrector interface
+func (wb *CfosPowerBrain) WakeUp() error {
+	_, err := wb.conn.WriteSingleRegister(cfosRegDisconnectCp, uint16(5))
+	return err
+}
+
 var _ api.Identifier = (*CfosPowerBrain)(nil)
 
 // Identify implements the api.Identifier interface