diff --git a/bluetooth1/device.go b/bluetooth1/device.go
index 126381626..232dc65fb 100644
--- a/bluetooth1/device.go
+++ b/bluetooth1/device.go
@@ -54,7 +54,7 @@ type DeviceInfo struct {
 	RSSI    int16
 	Address string
 
-	Battery bool
+	Battery byte
 }
 
 func unmarshalDeviceInfo(data string) (*DeviceInfo, error) {
diff --git a/system/bluetooth1/bluetooth.go b/system/bluetooth1/bluetooth.go
index e868fee76..4f1a6bacf 100644
--- a/system/bluetooth1/bluetooth.go
+++ b/system/bluetooth1/bluetooth.go
@@ -557,13 +557,13 @@ func (b *SysBluetooth) updateBatteryForAdd(devPath dbus.ObjectPath) {
 func (b *SysBluetooth) updateBatteryForRemove(devPath dbus.ObjectPath) {
 	if b.isDeviceExists(devPath) {
 		d, _ := b.getDevice(devPath)
-		d.Battery = false
+		d.Battery = 0
 
 		// update backup battery
 		b.backupDevicesMu.Lock()
 		idx := b.indexBackupDeviceNoLock(d.AdapterPath, devPath)
 		if idx != -1 {
-			b.backupDevices[d.AdapterPath][idx].Battery = false
+			b.backupDevices[d.AdapterPath][idx].Battery = 0
 		}
 		b.backupDevicesMu.Unlock()
 
diff --git a/system/bluetooth1/device.go b/system/bluetooth1/device.go
index c5462d2d4..4472dc754 100644
--- a/system/bluetooth1/device.go
+++ b/system/bluetooth1/device.go
@@ -72,7 +72,7 @@ type device struct {
 	RSSI    int16
 	Address string
 
-	Battery bool
+	Battery byte
 
 	connected         bool
 	connectedTime     time.Time
@@ -117,7 +117,7 @@ type backupDevice struct {
 	RSSI    int16
 	Address string
 
-	Battery bool
+	Battery byte
 }
 
 type connectPhase uint32
@@ -497,7 +497,7 @@ func (d *device) connectProperties() {
 		d.blocked = value
 	})
 
-	_ = d.core.Battery().Percentage().ConnectChanged(func(hasValue bool, value bool) {
+	_ = d.core.Battery().Percentage().ConnectChanged(func(hasValue bool, value byte) {
 		if !hasValue {
 			return
 		}