diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index fea2d5e..1747932 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -4,7 +4,7 @@
 erpnext.TransactionController = erpnext.taxes_and_totals.extend({
 	setup: function() {
 		this._super();
-		frappe.flags.hide_serial_batch_dialog = false;
+		frappe.flags.hide_serial_batch_dialog = true;
 		frappe.ui.form.on(this.frm.doctype + " Item", "rate", function(frm, cdt, cdn) {
 			var item = frappe.get_doc(cdt, cdn);
 			var has_margin_field = frappe.meta.has_field(cdt, 'margin_type');
@@ -520,6 +520,15 @@
 								},
 								() => me.toggle_conversion_factor(item),
 								() => {
+									if (show_batch_dialog)
+										return frappe.db.get_value("Item", item.item_code, ["has_batch_no", "has_serial_no"])
+											.then((r) => {
+												if(r.message.has_batch_no || r.message.has_serial_no) {
+													frappe.flags.hide_serial_batch_dialog = false;
+												}
+											});
+								},
+								() => {
 									if(show_batch_dialog && !frappe.flags.hide_serial_batch_dialog) {
 										var d = locals[cdt][cdn];
 										$.each(r.message, function(k, v) {
@@ -528,7 +537,9 @@
 
 										erpnext.show_serial_batch_selector(me.frm, d, (item) => {
 											me.frm.script_manager.trigger('qty', item.doctype, item.name);
-										});
+											if (!me.frm.doc.set_warehouse)
+												me.frm.script_manager.trigger('warehouse', item.doctype, item.name);
+										}, undefined, !frappe.flags.hide_serial_batch_dialog);
 									}
 								},
 								() => me.conversion_factor(doc, cdt, cdn, true),
diff --git a/erpnext/public/js/utils/serial_no_batch_selector.js b/erpnext/public/js/utils/serial_no_batch_selector.js
index 02bced2..d75633e 100644
--- a/erpnext/public/js/utils/serial_no_batch_selector.js
+++ b/erpnext/public/js/utils/serial_no_batch_selector.js
@@ -5,14 +5,13 @@
 		this.show_dialog = show_dialog;
 		// frm, item, warehouse_details, has_batch, oldest
 		let d = this.item;
-		if (d && d.has_batch_no && (!d.batch_no || this.show_dialog)) {
-			this.has_batch = 1;
-			this.setup();
+		this.has_batch = 0; this.has_serial_no = 0;
+
+		if (d && d.has_batch_no && (!d.batch_no || this.show_dialog)) this.has_batch = 1;
 		// !(this.show_dialog == false) ensures that show_dialog is implictly true, even when undefined
-		} else if(d && d.has_serial_no && !(this.show_dialog == false)) {
-			this.has_batch = 0;
-			this.setup();
-		}
+		if(d && d.has_serial_no && !(this.show_dialog == false)) this.has_serial_no = 1;
+
+		this.setup();
 	},
 
 	setup: function() {
@@ -36,16 +35,16 @@
 				label: __('Item Code'),
 				default: me.item_code
 			},
-			{fieldtype:'Column Break'},
 			{
 				fieldname: 'warehouse',
 				fieldtype:'Link',
 				options: 'Warehouse',
+				reqd: me.has_batch && !me.has_serial_no ? 0 : 1,
 				label: __(me.warehouse_details.type),
-				default: me.warehouse_details.name,
+				default: typeof me.warehouse_details.name == "string" ? me.warehouse_details.name : '',
 				onchange: function(e) {
 
-					if(me.has_batch) {
+					if(me.has_batch && !me.has_serial_no) {
 						fields = fields.concat(me.get_batch_fields());
 					} else {
 						fields = fields.concat(me.get_serial_no_fields());
@@ -74,15 +73,16 @@
 			{
 				fieldname: 'qty',
 				fieldtype:'Float',
-				read_only: me.has_batch,
-				label: __(me.has_batch ? 'Total Qty' : 'Qty'),
+				read_only: me.has_batch && !me.has_serial_no,
+				label: __(me.has_batch && !me.has_serial_no ? 'Total Qty' : 'Qty'),
 				default: 0
 			},
 			{
 				fieldname: 'auto_fetch_button',
 				fieldtype:'Button',
-				hidden: me.has_batch,
-				label: __('Fetch based on FIFO'),
+				hidden: me.has_batch && !me.has_serial_no,
+				label: __('Auto Fetch'),
+				description: __('Fetch Serial Numbers based on FIFO'),
 				click: () => {
 					let qty = this.dialog.fields_dict.qty.get_value();
 					let numbers = frappe.call({
@@ -90,7 +90,7 @@
 						args: {
 							qty: qty,
 							item_code: me.item_code,
-							warehouse: me.warehouse_details.name,
+							warehouse: typeof me.warehouse_details.name == "string" ? me.warehouse_details.name : '',
 							batch_no: me.item.batch_no || null
 						}
 					});
@@ -109,10 +109,12 @@
 			}
 		];
 
-		if (this.has_batch) {
+		if (this.has_batch && !this.has_serial_no) {
 			title = __("Select Batch Numbers");
 			fields = fields.concat(this.get_batch_fields());
 		} else {
+			// if only serial no OR
+			// if both batch_no & serial_no then only select serial_no and auto set batches nos
 			title = __("Select Serial Numbers");
 			fields = fields.concat(this.get_serial_no_fields());
 		}
@@ -122,25 +124,31 @@
 			fields: fields
 		});
 
-		if (this.item.serial_no) {
-			this.dialog.fields_dict.serial_no.set_value(this.item.serial_no);
-		}
-
 		this.dialog.set_primary_action(__('Insert'), function() {
 			me.values = me.dialog.get_values();
 			if(me.validate()) {
-				me.set_items();
-				me.dialog.hide();
+				frappe.run_serially([
+					() => me.update_batch_items(),
+					() => me.update_serial_no_item(),
+					() => me.update_batch_serial_no_items(),
+					() => {
+						refresh_field("items");
+						if (me.callback) {
+							return me.callback(me.item);
+						}
+					},
+					() => me.dialog.hide()
+				])
 			}
 		});
 
 		if(this.show_dialog) {
 			let d = this.item;
-			if (d.has_serial_no && d.serial_no) {
-				this.dialog.set_value('serial_no', d.serial_no);
+			if (this.item.serial_no) {
+				this.dialog.fields_dict.serial_no.set_value(this.item.serial_no);
 			}
-
-			if (d.has_batch_no && d.batch_no) {
+			
+			if (this.has_batch && !this.has_serial_no && d.batch_no) {
 				this.frm.doc.items.forEach(data => {
 					if(data.item_code == d.item_code) {
 						this.dialog.fields_dict.batches.df.data.push({
@@ -155,7 +163,7 @@
 			}
 		}
 
-		if (this.has_batch) {
+		if (this.has_batch && !this.has_serial_no) {
 			this.update_total_qty();
 		}
 
@@ -174,7 +182,7 @@
 			frappe.throw(__("Please select a warehouse"));
 			return false;
 		}
-		if(this.has_batch) {
+		if(this.has_batch && !this.has_serial_no) {
 			if(values.batches.length === 0 || !values.batches) {
 				frappe.throw(__("Please select batches for batched item "
 					+ values.item_code));
@@ -193,34 +201,23 @@
 		} else {
 			let serial_nos = values.serial_no || '';
 			if (!serial_nos || !serial_nos.replace(/\s/g, '').length) {
-				if (!this.show_dialog) {
-					frappe.throw(__("Please enter serial numbers for serialized item "
-						+ values.item_code));
-					return false;
-				}
+				frappe.throw(__("Please enter serial numbers for serialized item "
+					+ values.item_code));
+				return false;
 			}
 			return true;
 		}
 	},
 
-	set_items: function() {
-		var me = this;
-		if(this.has_batch) {
+	update_batch_items() {
+		// clones an items if muliple batches are selected.
+		if(this.has_batch && !this.has_serial_no) {
 			this.values.batches.map((batch, i) => {
 				let batch_no = batch.batch_no;
 				let row = '';
 
 				if (i !== 0 && !this.batch_exists(batch_no)) {
-					row = this.frm.add_child("items", {
-						'item_code': this.item.item_code,
-						'item_name': this.item.item_name,
-						'price_list_rate': this.item.price_list_rate,
-						'rate': this.item.rate,
-						'qty': batch.selected_qty,
-						'batch_no': batch_no,
-						'actual_qty': this.item.actual_qty,
-						'discount_percentage': this.item.discount_percentage
-					});
+					row = this.frm.add_child("items", { ...this.item });
 				} else {
 					row = this.frm.doc.items.find(i => i.batch_no === batch_no);
 				}
@@ -228,16 +225,59 @@
 				if (!row) {
 					row = this.item;
 				}
-
+				// this ensures that qty & batch no is set
 				this.map_row_values(row, batch, 'batch_no',
 					'selected_qty', this.values.warehouse);
 			});
-		} else {
+		} 
+	},
+
+	update_serial_no_item() {
+		// just updates serial no for the item
+		if(this.has_serial_no && !this.has_batch) {
 			this.map_row_values(this.item, this.values, 'serial_no', 'qty');
 		}
+	},
 
-		refresh_field("items");
-		this.callback && this.callback(this.item);
+	update_batch_serial_no_items() {
+		// if serial no selected is from different batches, adds new rows for each batch.
+		if(this.has_batch && this.has_serial_no) {
+			const selected_serial_nos = this.values.serial_no.split(/\n/g).filter(s => s);
+
+			return frappe.db.get_list("Serial No", {
+				filters: { 'name': ["in", selected_serial_nos]},
+				fields: ["batch_no", "name"]
+			}).then((data) => {
+				// data = [{batch_no: 'batch-1', name: "SR-001"}, 
+				// 	{batch_no: 'batch-2', name: "SR-003"}, {batch_no: 'batch-2', name: "SR-004"}]
+				const batch_serial_map = data.reduce((acc, d) => {
+					if (!acc[d['batch_no']]) acc[d['batch_no']] = [];
+					acc[d['batch_no']].push(d['name'])
+					return acc
+				}, {})
+				// batch_serial_map = { "batch-1": ['SR-001'], "batch-2": ["SR-003", "SR-004"]}
+				Object.keys(batch_serial_map).map((batch_no, i) => {
+					let row = '';
+					const serial_no = batch_serial_map[batch_no];
+					if (i == 0) {
+						row = this.item;
+						this.map_row_values(row, {qty: serial_no.length, batch_no: batch_no}, 'batch_no',
+							'qty', this.values.warehouse);
+					} else if (!this.batch_exists(batch_no)) {
+						row = this.frm.add_child("items", { ...this.item });
+						row.batch_no = batch_no;
+					} else {
+						row = this.frm.doc.items.find(i => i.batch_no === batch_no);
+					}
+					const values = {
+						'qty': serial_no.length,
+						'serial_no': serial_no.join('\n')
+					}
+					this.map_row_values(row, values, 'serial_no',
+						'qty', this.values.warehouse);
+				});
+			})
+		}
 	},
 
 	batch_exists: function(batch) {
@@ -287,7 +327,7 @@
 							return {
 								filters: {
 									item_code: me.item_code,
-									warehouse: me.warehouse || me.warehouse_details.name
+									warehouse: me.warehouse || typeof me.warehouse_details.name == "string" ? me.warehouse_details.name : ''
 								},
 								query: 'erpnext.controllers.queries.get_batch_no'
 							};
@@ -448,7 +488,7 @@
 			{
 				fieldname: 'serial_no',
 				fieldtype: 'Small Text',
-				label: __(me.has_batch ? 'Selected Batch Numbers' : 'Selected Serial Numbers'),
+				label: __(me.has_batch && !me.has_serial_no ? 'Selected Batch Numbers' : 'Selected Serial Numbers'),
 				onchange: function() {
 					me.serial_list = this.get_value()
 						.replace(/\n/g, ' ').match(/\S+/g) || [];
diff --git a/erpnext/selling/sales_common.js b/erpnext/selling/sales_common.js
index 8278745..af10069 100644
--- a/erpnext/selling/sales_common.js
+++ b/erpnext/selling/sales_common.js
@@ -413,15 +413,20 @@
 	*/
 	set_batch_number: function(cdt, cdn) {
 		const doc = frappe.get_doc(cdt, cdn);
-		if (doc && doc.has_batch_no) {
+		if (doc && doc.has_batch_no && doc.warehouse) {
 			this._set_batch_number(doc);
 		}
 	},
 
 	_set_batch_number: function(doc) {
+		let args = {'item_code': doc.item_code, 'warehouse': doc.warehouse, 'qty': flt(doc.qty) * flt(doc.conversion_factor)};
+		if (doc.has_serial_no && doc.serial_no) {
+			args['serial_no'] = doc.serial_no
+		}
+		
 		return frappe.call({
 			method: 'erpnext.stock.doctype.batch.batch.get_batch_no',
-			args: {'item_code': doc.item_code, 'warehouse': doc.warehouse, 'qty': flt(doc.qty) * flt(doc.conversion_factor)},
+			args: args,
 			callback: function(r) {
 				if(r.message) {
 					frappe.model.set_value(doc.doctype, doc.name, 'batch_no', r.message);
diff --git a/erpnext/stock/doctype/serial_no/serial_no.py b/erpnext/stock/doctype/serial_no/serial_no.py
index 64d4c6c..772ac58 100644
--- a/erpnext/stock/doctype/serial_no/serial_no.py
+++ b/erpnext/stock/doctype/serial_no/serial_no.py
@@ -523,12 +523,15 @@
 	return serial_nos
 
 @frappe.whitelist()
-def auto_fetch_serial_number(qty, item_code, warehouse, batch_no=None):
-	serial_numbers = frappe.get_list("Serial No", filters={
+def auto_fetch_serial_number(qty, item_code, warehouse, batch_nos=None):
+	import json
+	filters = {
 		"item_code": item_code,
 		"warehouse": warehouse,
-		"batch_no": batch_no,
 		"delivery_document_no": "",
 		"sales_invoice": ""
-	}, limit=qty, order_by="creation")
+	}
+	if batch_nos: filters["batch_no"] = ["in", json.loads(batch_nos)]
+
+	serial_numbers = frappe.get_list("Serial No", filters=filters, limit=qty, order_by="creation")
 	return [item['name'] for item in serial_numbers]