diff --git a/api/batterymode.go b/api/batterymode.go
index 4ca00b3f120..e2163ad652e 100644
--- a/api/batterymode.go
+++ b/api/batterymode.go
@@ -9,4 +9,5 @@ const (
 	BatteryNormal
 	BatteryHold
 	BatteryCharge
+	BatteryHoldCharge
 )
diff --git a/api/batterymode_enumer.go b/api/batterymode_enumer.go
index 7fe4dbc6702..c828092b2c3 100644
--- a/api/batterymode_enumer.go
+++ b/api/batterymode_enumer.go
@@ -7,11 +7,11 @@ import (
 	"strings"
 )
 
-const _BatteryModeName = "unknownnormalholdcharge"
+const _BatteryModeName = "unknownnormalholdchargeholdcharge"
 
-var _BatteryModeIndex = [...]uint8{0, 7, 13, 17, 23}
+var _BatteryModeIndex = [...]uint8{0, 7, 13, 17, 23, 33}
 
-const _BatteryModeLowerName = "unknownnormalholdcharge"
+const _BatteryModeLowerName = "unknownnormalholdchargeholdcharge"
 
 func (i BatteryMode) String() string {
 	if i < 0 || i >= BatteryMode(len(_BatteryModeIndex)-1) {
@@ -28,9 +28,10 @@ func _BatteryModeNoOp() {
 	_ = x[BatteryNormal-(1)]
 	_ = x[BatteryHold-(2)]
 	_ = x[BatteryCharge-(3)]
+	_ = x[BatteryHoldCharge-(4)]
 }
 
-var _BatteryModeValues = []BatteryMode{BatteryUnknown, BatteryNormal, BatteryHold, BatteryCharge}
+var _BatteryModeValues = []BatteryMode{BatteryUnknown, BatteryNormal, BatteryHold, BatteryCharge, BatteryHoldCharge}
 
 var _BatteryModeNameToValueMap = map[string]BatteryMode{
 	_BatteryModeName[0:7]:        BatteryUnknown,
@@ -41,6 +42,8 @@ var _BatteryModeNameToValueMap = map[string]BatteryMode{
 	_BatteryModeLowerName[13:17]: BatteryHold,
 	_BatteryModeName[17:23]:      BatteryCharge,
 	_BatteryModeLowerName[17:23]: BatteryCharge,
+	_BatteryModeName[23:33]:      BatteryHoldCharge,
+	_BatteryModeLowerName[23:33]: BatteryHoldCharge,
 }
 
 var _BatteryModeNames = []string{
@@ -48,6 +51,7 @@ var _BatteryModeNames = []string{
 	_BatteryModeName[7:13],
 	_BatteryModeName[13:17],
 	_BatteryModeName[17:23],
+	_BatteryModeName[23:33],
 }
 
 // BatteryModeString retrieves an enum value from the enum constants string name.
diff --git a/cmd/flags.go b/cmd/flags.go
index c3e49f990da..0880e94efb3 100644
--- a/cmd/flags.go
+++ b/cmd/flags.go
@@ -29,7 +29,7 @@ const (
 	flagCustomCssDescription = "Additional user-defined CSS file for custom styling. No compatibility guarantees."
 
 	flagBatteryMode                = "battery-mode"
-	flagBatteryModeDescription     = "Set battery mode (normal, hold, charge)"
+	flagBatteryModeDescription     = "Set battery mode (normal, hold, charge, holdcharge)"
 	flagBatteryModeWait            = "battery-mode-wait"
 	flagBatteryModeWaitDescription = "Wait given duration during which potential watchdogs are active"
 
diff --git a/meter/e3dc.go b/meter/e3dc.go
index b17fa1ac8a2..a9eab925e1f 100644
--- a/meter/e3dc.go
+++ b/meter/e3dc.go
@@ -225,6 +225,11 @@ func (m *E3dc) setBatteryMode(mode api.BatteryMode) error {
 			e3dcDischargeBatteryLimit(false, 0),
 			e3dcBatteryCharge(50000), // max. 50kWh
 		}
+	case api.BatteryHoldCharge:
+		messages = []rscp.Message{
+			e3dcDischargeBatteryLimit(false, 0),
+			e3dcBatteryCharge(0),
+		}
 	default:
 		return api.ErrNotAvailable
 	}
diff --git a/meter/usage_battery.go b/meter/usage_battery.go
index 9cf56337bc2..aaadc387240 100644
--- a/meter/usage_battery.go
+++ b/meter/usage_battery.go
@@ -68,6 +68,7 @@ func (m *batterySocLimits) LimitController(socG func() (float64, error), limitSo
 		case api.BatteryCharge:
 			return limitSocS(m.MaxSoc)
 
+		// BatteryHoldCharge implementable via limit soc
 		default:
 			return api.ErrNotAvailable
 		}
diff --git a/templates/definition/meter/fronius-gen24.yaml b/templates/definition/meter/fronius-gen24.yaml
index 9410b06107d..250e78e27f6 100644
--- a/templates/definition/meter/fronius-gen24.yaml
+++ b/templates/definition/meter/fronius-gen24.yaml
@@ -264,5 +264,23 @@ render: |
             uri: {{ joinHostPort .host .port }}
             id: 1
             value: 124:0:OutWRte
+    - case: 4 # holdcharge
+      set:
+        source: sequence
+        set:
+        - source: const
+          value: 1
+          set:
+            source: sunspec
+            uri: {{ .host }}:{{ .port }}
+            id: 1
+            value: 124:0:StorCtl_Mod
+        - source: const
+          value: 0 # %
+          set:
+            source: sunspec
+            uri: {{ .host }}:{{ .port }}
+            id: 1
+            value: 124:0:InWRte
   {{- include "battery-params" . }}
   {{- end }}
diff --git a/templates/definition/meter/fronius-solarapi-v1.yaml b/templates/definition/meter/fronius-solarapi-v1.yaml
index d620889eb04..047ee8147b4 100644
--- a/templates/definition/meter/fronius-solarapi-v1.yaml
+++ b/templates/definition/meter/fronius-solarapi-v1.yaml
@@ -110,6 +110,10 @@ render: |
           body: '{"timeofuse":[]}'
         - source: error
           error: ErrNotAvailable
+    - case: 4 # holdcharge (not implemented)
+      set:
+        source: error
+        error: ErrNotAvailable
   {{- end }}
   {{- include "battery-params" . }}
   {{- end }}
diff --git a/templates/definition/meter/fronius-vertoplus.yaml b/templates/definition/meter/fronius-vertoplus.yaml
index 54e5f601e28..26e348ea9cd 100644
--- a/templates/definition/meter/fronius-vertoplus.yaml
+++ b/templates/definition/meter/fronius-vertoplus.yaml
@@ -260,5 +260,23 @@ render: |
             uri: {{ joinHostPort .host .port }}
             id: 1
             value: 124:0:OutWRte
+    - case: 4 # holdcharge
+      set:
+        source: sequence
+        set:
+        - source: const
+          value: 1
+          set:
+            source: sunspec
+            uri: {{ .host }}:{{ .port }}
+            id: 1
+            value: 124:0:StorCtl_Mod
+        - source: const
+          value: 0 # %
+          set:
+            source: sunspec
+            uri: {{ .host }}:{{ .port }}
+            id: 1
+            value: 124:0:InWRte
   {{- include "battery-params" . }}
   {{- end }}
diff --git a/templates/definition/meter/sunspec-inverter-control.yaml b/templates/definition/meter/sunspec-inverter-control.yaml
index a7d4f871730..3615b35e4e4 100644
--- a/templates/definition/meter/sunspec-inverter-control.yaml
+++ b/templates/definition/meter/sunspec-inverter-control.yaml
@@ -104,5 +104,27 @@ render: |
             source: sunspec
             {{- include "modbus" . | indent 10 }}
             value: 124:0:InOutWRte_RvrtTms
+    - case: 4 # holdcharge
+      set:
+        source: sequence
+        set:
+        - source: const
+          value: 1
+          set:
+            source: sunspec
+            {{- include "modbus" . | indent 10 }}
+            value: 124:0:StorCtl_Mod
+        - source: const
+          value: 0 # %
+          set:
+            source: sunspec
+            {{- include "modbus" . | indent 10 }}
+            value: 124:0:InWRte
+        - source: const
+          value: 0 # s
+          set:
+            source: sunspec
+            {{- include "modbus" . | indent 10 }}
+            value: 124:0:InOutWRte_RvrtTms
   {{- include "battery-params" . }}
   {{- end }}