diff --git a/gdtf-spec.md b/gdtf-spec.md
index 07ae9da4..5f8f1c5f 100644
--- a/gdtf-spec.md
+++ b/gdtf-spec.md
@@ -1738,7 +1738,7 @@ defined XML attributes of a wiring object geometry are specified in [table 50](#
 | Model               | [Name](#user-content-attrtype-name )      | Link to the corresponding model.                                                                  |
 | ConnectorType   <a id="attrtype-connectortype" />    | [Name](#user-content-attrtype-name )      | The type of the connector. Find a list of predefined types in [Annex D](#user-content-table-d1 ). This is not applicable for Component Types Fuses. Custom type of connector can also be defined, for example "Loose End".|
 | Position            | [Matrix](#user-content-attrtype-matrix )  | Relative position of geometry; Default value: Identity Matrix                                     |
-| ComponentType       | [Enum](#user-content-attrtype-enum )      | The type of the electrical component used. Defined values are "Input", "Output", "PowerSource", "Consumer", "Fuse", "NetworkProvider", "NetworkInput", "NetworkOutput", "NetworkInOut". |
+| ComponentType       | [Enum](#user-content-attrtype-enum )      | The type of the electrical component used. Defined values are "Input", "Output", "PowerSource", "Consumer", "Fuse", "NetworkProvider", "NetworkInput", "NetworkOutput", "NetworkInOut", "Battery". |
 | SignalType          | [String](#user-content-attrtype-string )  | The type of the signal used. Predefinded values are "Power", "DMX512", "Protocol", "AES", "AnalogVideo", "AnalogAudio". When you have a custom protocol, you can add it here.        |
 | PinCount            | [Int](#user-content-attrtype-int )        | The number of available pins of the connector type to connect internal wiring to it.              |
 | ElectricalPayLoad   | [Float](#user-content-attrtype-float )    | The electrical consumption in Watts. Only for [Consumers](#user-content-attrtype-connectortype ). Unit: Watt.                                         |
@@ -1754,7 +1754,14 @@ defined XML attributes of a wiring object geometry are specified in [table 50](#
 | FuseRating          | [Enum](#user-content-attrtype-enum )      | Fuse Rating. Defined values are "B", "C", "D", "K", "Z".                                          |
 | Orientation         | [Enum](#user-content-attrtype-enum )      | Where the pins are placed on the object. Defined values are "Left", "Right", "Top", "Bottom".     |
 | WireGroup           | [String](#user-content-attrtype-string )  | Name of the group to which this wiring object belong.                                             |
-
+| BatteryInstallationType | [Enum](#user-content-attrtype-enum )       | The Installation Type of the Battery. Defined values are "Internal", "External", "Removable", "Replaceable", "HotSwappable", "Integrated", "Other". Default value: "TBD"|
+| BatteryOperationMode <a id="attrtype-batteryoperationmode" />| [Enum](#user-content-attrtype-enum )      | The  function of the Device under Battery Power. Defined values are "Configuration", "Operation". Default value: "TBD"|
+| BatteryEnergyCapacity      | [Float](#user-content-attrtype-float )    | The Energy Capacity of the Battery in watt-hours (Wh) Default value: "TBD" |
+| BatteryMaxPower | [Float](#user-content-attrtype-float) | The maximum output power of the Battery, in watts (W). Default value: "TBD"|
+| BatteryChargingTime | [Float](#user-content-attrtype-float )    | The Time in seconds it takes to charge the Battery from 0 to 100%. Default value: "TBD"|
+| BatteryUNTransportCode | [Array of Int](#user-content-attrtype-int ) | Defines the Battery UN numbers for transport. Default value: "TBD"|
+| BatteryTechnology | [Enum](#user-content-attrtype-enum ) | The Technology Chemistry of the Battery. Defined values are "Li-ion", "LiPo", "LiFePO4", "LTO", "Lead-acid", "AGM", "Gel", "NiMH","NiCd","Sodium-ion", "Alkaline","Lithium-primary","Other". Default value: "Other" Default value: "TBD"|
+| BatteryRechargeable | [Enum](#user-content-attrtype-enum ) | If the Battery can be charged. Defined values are "Yes", "No". Default value: "TBD"|
 
 </div>