diff --git a/static/src/js/container.js b/static/src/js/container.js
index c0a61a8..e2512b2 100644
--- a/static/src/js/container.js
+++ b/static/src/js/container.js
@@ -379,28 +379,53 @@ odoo.define('vracoop_pos_free_balance_v2.container_balance', function (require)
             var self = this;
             var queue = this.pos.proxy_queue;
 
-            var scale_screen = this.gui.screen_instances['balancescale'];
-            this.set_weight(0);
-            // this.set_price(0);
-            scale_screen.renderElement();
-
-            // queue.schedule(function () {
-            //     return self.pos.proxy.reset_weight().then(function () {
-            //         self.set_weight(0);
-            //         // self.set_price(0);
-            //     });
-            // }, {duration: 500});
-
-            queue.schedule(function(){
-                return self.pos.proxy.scale_read().then(function(scale_answer){
-                    self.set_weight(scale_answer.weight);
-                    if ((scale_answer.error === '30' || scale_answer.error === '31') && scale_answer.weight !== 0) {
-                        self.set_weight(0);
-                    }
+            var container = this.gui.get_current_screen_param('container');
+
+            queue.schedule(function () {
+                return self.pos.proxy.reset_weight().then(function () {
+                    self.set_weight(0);
+                    self.set_price(0);
                 });
-            },{duration:500, repeat: true});
+            }, {duration: 500});
+
+            // format price
+            var scale_screen = this.gui.screen_instances['balancescale'];
+            var price = scale_screen.format_price(scale_screen.get_product_price());
+
+            if (container) {
+                // format tare
+                var tare = this.format_tare(container);
+                queue.schedule(function () {
+                    return self.pos.proxy.scale_read_data_price_tare(price, tare).then(function (scale_answer) {
+                        self.set_weight(scale_answer.weight);
+                        
+                        if ((scale_answer.error === '30' || scale_answer.error === '31') && scale_answer.weight !== 0) {
+                            self.set_weight(0);
+                            self.pos.proxy.reset_tare();
+                        }
+                    });
+                }, {duration: 500, repeat: true});
+
+            } else {
+                queue.schedule(function () {
+                    return self.pos.proxy.scale_read_data_price(price).then(function (scale_answer) {
+                        self.set_weight(scale_answer.weight);
+                        // self.set_price(scale_answer.price);
+                        if ((scale_answer.error === '30' || scale_answer.error === '31') && scale_answer.weight !== 0) {
+                            self.set_weight(0);
+                        }
+                    });
+                }, {duration: 500, repeat: true});
+            }
 
             this._super();
+
+        },
+
+        format_tare: function (container) {
+            var tare = (Math.abs(container.weight) * 1000).toString();
+            tare = ("0000" + tare).slice(-4);
+            return tare;
         },
 
         set_weight: function(weight){
@@ -420,7 +445,9 @@ odoo.define('vracoop_pos_free_balance_v2.container_balance', function (require)
             var self = this;
 
             if (self.pos.scan_container(code)) {
-                
+                var order = this.pos.get_order();
+                var selected_orderline = order.get_selected_orderline();
+                var container = selected_orderline.get_container();
                 // Vérfification: est-ce qu'un container vient d'être utilisé dans l'heure
                 if (self.pos.scan_container_check(code)){
                     var transaction = self.pos.scan_container_check(code);
@@ -430,12 +457,12 @@ odoo.define('vracoop_pos_free_balance_v2.container_balance', function (require)
                         confirm: function(){ 
                             var transaction = self.pos.scan_container_check(code)
                             self.delete_selected_transaction(transaction, code);
-                            self.gui.show_screen('products');
+                            self.gui.show_screen('products', {container: container});
                         },
                     });    
 
                 } else {
-                    self.gui.show_screen('products');    
+                    self.gui.show_screen('products', {container: container});    
                 }
 
             } else {
@@ -569,9 +596,7 @@ odoo.define('vracoop_pos_free_balance_v2.container_balance', function (require)
         set_weight: function(weight){
             var scale_screen = this.gui.screen_instances['balancescale'];
             
-            var order = this.pos.get_order();
-            var selected_orderline = order.get_selected_orderline();
-            var container = selected_orderline.get_container();
+            var container = this.gui.get_current_screen_param('container');
             
             scale_screen.weight_container = container.weight;
             scale_screen.weight = weight;
@@ -676,7 +701,7 @@ odoo.define('vracoop_pos_free_balance_v2.container_balance', function (require)
         previous_screen: 'presentation',
 
         show: function(){
-
+            
             this._super();
             var self = this;
 
@@ -710,9 +735,7 @@ odoo.define('vracoop_pos_free_balance_v2.container_balance', function (require)
         set_weight: function(weight){
             var scale_screen = this.gui.screen_instances['balancescale'];
             
-            var order = this.pos.get_order();
-            var selected_orderline = order.get_selected_orderline();
-            var container = selected_orderline.get_container();
+            var container = this.gui.get_current_screen_param('container');
             
             scale_screen.weight_container = container.weight;
             scale_screen.weight = weight;
@@ -741,9 +764,10 @@ odoo.define('vracoop_pos_free_balance_v2.container_balance', function (require)
         create_transaction: function(product){
             var self = this;
             var fields = {};
-            var order = this.pos.get_order();
-            var selected_orderline = order.get_selected_orderline();
-            var container = selected_orderline.get_container();
+            // var order = this.pos.get_order();
+            // var selected_orderline = order.get_selected_orderline();
+            // var container = selected_orderline.get_container();
+            var container = this.gui.get_current_screen_param('container');
             var scale_screen = this.gui.screen_instances['balancescale'];
             // var product = this.get_product();
 
@@ -789,14 +813,14 @@ odoo.define('vracoop_pos_free_balance_v2.container_balance', function (require)
             fields.name = product.display_name;
 
             this.pos.push_transaction(fields).then(
-                this.pushed_transaction(fields["ean13"], product)
+                this.pushed_transaction(fields["ean13"], product, container)
             );
         },
 
-        pushed_transaction: function(barcode, product){
+        pushed_transaction: function(barcode, product, container){
             var self = this;
             
-            this.gui.show_screen('confirmation',{product: product});
+            this.gui.show_screen('confirmation',{product: product, container: container});
         },
 
         close: function(){