diff --git a/battery.ttl b/battery.ttl
index f591afb..3b0b8c7 100644
--- a/battery.ttl
+++ b/battery.ttl
@@ -12,8 +12,8 @@
 @base <http://emmo.info/battery/battery> .
 
 <http://emmo.info/battery/battery> rdf:type owl:Ontology ;
-                                    owl:versionIRI <http://emmo.info/battery/0.3.0/battery> ;
-                                    owl:imports <http://emmo.info/battery/0.3.0/batteryquantities.ttl> ,
+                                    owl:versionIRI <http://emmo.info/battery/0.4.0/battery> ;
+                                    owl:imports <http://emmo.info/battery/0.4.0/batteryquantities.ttl> ,
                                                 <https://raw.githubusercontent.com/emmo-repo/domain-electrochemistry/master/electrochemistry.ttl> ;
                                     dcterms:abstract """A toplevel battery interface domain ontology based on EMMO.
 
@@ -21,7 +21,7 @@ This file is intended to contain information on the whole battery, excluding qua
 
 Released under the Creative Commons license Attribution 4.0 International (CC BY 4.0).""" ;
                                     dcterms:license "https://creativecommons.org/licenses/by/4.0/legalcode" ;
-                                    owl:versionInfo "0.3.0" .
+                                    owl:versionInfo "0.4.0" .
 
 #################################################################
 #    Annotation properties
@@ -35,6 +35,17 @@ dcterms:abstract rdf:type owl:AnnotationProperty .
 dcterms:license rdf:type owl:AnnotationProperty .
 
 
+#################################################################
+#    Object Properties
+#################################################################
+
+###  http://emmo.info/battery#battery_77668153_e14e_4c77_a901_8194f4f3e5b4
+<http://emmo.info/battery#battery_77668153_e14e_4c77_a901_8194f4f3e5b4> rdf:type owl:ObjectProperty ;
+                                                                        rdfs:subPropertyOf emmo:EMMO_dba27ca1_33c9_4443_a912_1519ce4c39ec ;
+                                                                        rdfs:range <http://emmo.info/battery#battery_d9ebf2cd_a020_46b4_b91a_9a6402736b9e> ;
+                                                                        skos:prefLabel "hasContainer"@en .
+
+
 #################################################################
 #    Classes
 #################################################################
diff --git a/batteryquantities.ttl b/batteryquantities.ttl
index 93cd7ff..557c843 100644
--- a/batteryquantities.ttl
+++ b/batteryquantities.ttl
@@ -12,13 +12,13 @@
 @base <http://emmo.info/battery/batteryquantities> .
 
 <http://emmo.info/battery/batteryquantities> rdf:type owl:Ontology ;
-                                              owl:versionIRI <http://emmo.info/battery/0.3.0/batteryquantities.ttl> ;
-                                              owl:imports <http://emmo.info/electrochemistry/0.3.0/electrochemicalquantities.ttl> ;
+                                              owl:versionIRI <http://emmo.info/battery/0.4.0/batteryquantities.ttl> ;
+                                              owl:imports <http://emmo.info/electrochemistry/0.4.0/electrochemicalquantities.ttl> ;
                                               dcterms:abstract """Common properties for batteries and their interfaces.
 
 Released under the Creative Commons license Attribution 4.0 International (CC BY 4.0)."""@en ;
                                               dcterms:license "https://creativecommons.org/licenses/by/4.0/legalcode" ;
-                                              owl:versionInfo "0.3.0" .
+                                              owl:versionInfo "0.4.0" .
 
 #################################################################
 #    Annotation properties
diff --git a/catalog-v001.xml b/catalog-v001.xml
index 3e7691e..f6d4027 100644
--- a/catalog-v001.xml
+++ b/catalog-v001.xml
@@ -6,7 +6,7 @@
     <uri id="Imports Wizard Entry" name="http://emmo.info/electrochemistry/0.3.0/electrochemicalquantities.ttl" uri="https://raw.githubusercontent.com/emmo-repo/domain-electrochemistry/master/electrochemicalquantities.ttl"/>
     <uri id="Imports Wizard Entry" name="http://emmo.info/emmo/reference/1.0.0-beta3" uri="https://raw.githubusercontent.com/emmo-repo/emmo-repo.github.io/master/versions/1.0.0-beta3/emmo-reference-inferred.ttl"/>
     <uri id="Imports Wizard Entry" name="http://emmo.info/electrochemistry/0.4.0/electrochemistry.ttl" uri="https://raw.githubusercontent.com/emmo-repo/domain-electrochemistry/v0.4.0/electrochemistry.ttl"/>
-    <uri id="Imports Wizard Entry" name="http://emmo.info/battery/0.3.0/batteryquantities.ttl" uri="https://raw.githubusercontent.com/emmo-repo/domain-battery/master/batteryquantities.ttl"/>
+    <uri id="Imports Wizard Entry" name="http://emmo.info/battery/0.4.0/batteryquantities.ttl" uri="https://raw.githubusercontent.com/emmo-repo/domain-battery/master/batteryquantities.ttl"/>
     <group id="Folder Repository, directory=, recursive=true, Auto-Update=false, version=2" prefer="public" xml:base="">
         <uri name="https://raw.githubusercontent.com/emmo-repo/domain-battery/master/battery.ttl" uri="battery.ttl"/>
         <uri name="https://raw.githubusercontent.com/emmo-repo/domain-battery/master/batteryquantities.ttl" uri="batteryquantities.ttl"/>