diff --git a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
index 26ca012..e36d576 100644
--- a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
+++ b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
@@ -346,7 +346,7 @@
 		"""Raises an exception if there is any reserved stock for the items in the Stock Reconciliation."""
 
 		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
-			get_sre_reserved_qty_for_item_and_warehouse as get_sre_reserved_qty_details,
+			get_sre_reserved_qty_for_items_and_warehouses as get_sre_reserved_qty_details,
 		)
 
 		item_code_list, warehouse_list = [], []
diff --git a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.js b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.js
index 4d96636..c5df319 100644
--- a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.js
+++ b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.js
@@ -1,42 +1,42 @@
 // Copyright (c) 2023, Frappe Technologies Pvt. Ltd. and contributors
 // For license information, please see license.txt
 
-frappe.ui.form.on("Stock Reservation Entry", {
+frappe.ui.form.on('Stock Reservation Entry', {
 	refresh(frm) {
-		frm.trigger("set_queries");
-		frm.trigger("toggle_read_only_fields");
-		frm.trigger("hide_rate_related_fields");
-		frm.trigger("hide_primary_action_button");
-		frm.trigger("make_sb_entries_warehouse_read_only");
+		frm.trigger('set_queries');
+		frm.trigger('toggle_read_only_fields');
+		frm.trigger('hide_rate_related_fields');
+		frm.trigger('hide_primary_action_button');
+		frm.trigger('make_sb_entries_warehouse_read_only');
 	},
 
 	has_serial_no(frm) {
-		frm.trigger("toggle_read_only_fields");
+		frm.trigger('toggle_read_only_fields');
 	},
 
 	has_batch_no(frm) {
-		frm.trigger("toggle_read_only_fields");
+		frm.trigger('toggle_read_only_fields');
 	},
 
 	warehouse(frm) {
 		if (frm.doc.warehouse) {
 			frm.doc.sb_entries.forEach((row) => {
-				frappe.model.set_value(row.doctype, row.name, "warehouse", frm.doc.warehouse);
+				frappe.model.set_value(row.doctype, row.name, 'warehouse', frm.doc.warehouse);
 			});
 		}
 	},
 
 	set_queries(frm) {
-		frm.set_query("warehouse", () => {
+		frm.set_query('warehouse', () => {
 			return {
 				filters: {
-					"is_group": 0,
-					"company": frm.doc.company,
+					'is_group': 0,
+					'company': frm.doc.company,
 				}
 			};
 		});
 
-		frm.set_query("serial_no", "sb_entries", function(doc, cdt, cdn) {
+		frm.set_query('serial_no', 'sb_entries', function(doc, cdt, cdn) {
 			var selected_serial_nos = doc.sb_entries.map(row => {
 				return row.serial_no;
 			});
@@ -45,16 +45,16 @@
 				filters: {
 					item_code: doc.item_code,
 					warehouse: row.warehouse,
-					status: "Active",
-					name: ["not in", selected_serial_nos],
+					status: 'Active',
+					name: ['not in', selected_serial_nos],
 				}
 			}
 		});
 
-		frm.set_query("batch_no", "sb_entries", function(doc, cdt, cdn) {
+		frm.set_query('batch_no', 'sb_entries', function(doc, cdt, cdn) {
 			let filters = {
 				item: doc.item_code,
-				batch_qty: [">", 0],
+				batch_qty: ['>', 0],
 				disabled: 0,
 			}
 
@@ -63,7 +63,7 @@
 					return row.batch_no;
 				});
 
-				filters.name = ["not in", selected_batch_nos];
+				filters.name = ['not in', selected_batch_nos];
 			}
 
 			return { filters: filters }
@@ -74,37 +74,37 @@
 		if (frm.doc.has_serial_no) {
 			frm.doc.sb_entries.forEach(row => {
 				if (row.qty !== 1) {
-					frappe.model.set_value(row.doctype, row.name, "qty", 1);
+					frappe.model.set_value(row.doctype, row.name, 'qty', 1);
 				}
 			})
 		}
 
 		frm.fields_dict.sb_entries.grid.update_docfield_property(
-			"serial_no", "read_only", !frm.doc.has_serial_no
+			'serial_no', 'read_only', !frm.doc.has_serial_no
 		);
 
 		frm.fields_dict.sb_entries.grid.update_docfield_property(
-			"batch_no", "read_only", !frm.doc.has_batch_no
+			'batch_no', 'read_only', !frm.doc.has_batch_no
 		);
 
 		// Qty will always be 1 for Serial No.
 		frm.fields_dict.sb_entries.grid.update_docfield_property(
-			"qty", "read_only", frm.doc.has_serial_no
+			'qty', 'read_only', frm.doc.has_serial_no
 		);
 
-		frm.set_df_property("sb_entries", "allow_on_submit", frm.doc.against_pick_list ? 0 : 1);
+		frm.set_df_property('sb_entries', 'allow_on_submit', frm.doc.against_pick_list ? 0 : 1);
 	},
 
 	hide_rate_related_fields(frm) {
-		["incoming_rate", "outgoing_rate", "stock_value_difference", "is_outward", "stock_queue"].forEach(field => {
+		['incoming_rate', 'outgoing_rate', 'stock_value_difference', 'is_outward', 'stock_queue'].forEach(field => {
 			frm.fields_dict.sb_entries.grid.update_docfield_property(
-				field, "hidden", 1
+				field, 'hidden', 1
 			);
 		});
 	},
 
 	hide_primary_action_button(frm) {
-		// Hide "Amend" button on cancelled document
+		// Hide 'Amend' button on cancelled document
 		if (frm.doc.docstatus == 2) {
 			frm.page.btn_primary.hide()
 		}
@@ -112,15 +112,15 @@
 
 	make_sb_entries_warehouse_read_only(frm) {
 		frm.fields_dict.sb_entries.grid.update_docfield_property(
-			"warehouse", "read_only", 1
+			'warehouse', 'read_only', 1
 		);
 	},
 });
 
-frappe.ui.form.on("Serial and Batch Entry", {
+frappe.ui.form.on('Serial and Batch Entry', {
 	sb_entries_add(frm, cdt, cdn) {
 		if (frm.doc.warehouse) {
-			frappe.model.set_value(cdt, cdn, "warehouse", frm.doc.warehouse);
+			frappe.model.set_value(cdt, cdn, 'warehouse', frm.doc.warehouse);
 		}
 	},
 });
\ No newline at end of file
diff --git a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py
index bd7bb66..936be3f 100644
--- a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py
+++ b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py
@@ -14,7 +14,7 @@
 
 		self.validate_amended_doc()
 		self.validate_mandatory()
-		self.validate_for_group_warehouse()
+		self.validate_group_warehouse()
 		validate_disabled_warehouse(self.warehouse)
 		validate_warehouse_company(self.warehouse, self.company)
 		self.validate_uom_is_integer()
@@ -74,7 +74,7 @@
 				msg = _("{0} is required").format(self.meta.get_label(d))
 				frappe.throw(msg)
 
-	def validate_for_group_warehouse(self) -> None:
+	def validate_group_warehouse(self) -> None:
 		"""Raises an exception if `Warehouse` is a Group Warehouse."""
 
 		if frappe.get_cached_value("Warehouse", self.warehouse, "is_group"):
@@ -544,10 +544,36 @@
 	return available_serial_nos_list
 
 
-def get_sre_reserved_qty_for_item_and_warehouse(
-	item_code: str | list, warehouse: str | list = None
-) -> float | dict:
-	"""Returns `Reserved Qty` for Item and Warehouse combination OR a dict like {("item_code", "warehouse"): "reserved_qty", ... }."""
+def get_sre_reserved_qty_for_item_and_warehouse(item_code: str, warehouse: str = None) -> float:
+	"""Returns current `Reserved Qty` for Item and Warehouse combination."""
+
+	sre = frappe.qb.DocType("Stock Reservation Entry")
+	query = (
+		frappe.qb.from_(sre)
+		.select(Sum(sre.reserved_qty - sre.delivered_qty).as_("reserved_qty"))
+		.where(
+			(sre.docstatus == 1)
+			& (sre.item_code == item_code)
+			& (sre.status.notin(["Delivered", "Cancelled"]))
+		)
+		.groupby(sre.item_code, sre.warehouse)
+	)
+
+	if warehouse:
+		query = query.where(sre.warehouse == warehouse)
+
+	reserved_qty = query.run(as_list=True)
+
+	return flt(reserved_qty[0][0]) if reserved_qty else 0.0
+
+
+def get_sre_reserved_qty_for_items_and_warehouses(
+	item_code_list: list, warehouse_list: list = None
+) -> dict:
+	"""Returns a dict like {("item_code", "warehouse"): "reserved_qty", ... }."""
+
+	if not item_code_list:
+		return {}
 
 	sre = frappe.qb.DocType("Stock Reservation Entry")
 	query = (
@@ -557,29 +583,20 @@
 			sre.warehouse,
 			Sum(sre.reserved_qty - sre.delivered_qty).as_("reserved_qty"),
 		)
-		.where((sre.docstatus == 1) & (sre.status.notin(["Delivered", "Cancelled"])))
+		.where(
+			(sre.docstatus == 1)
+			& sre.item_code.isin(item_code_list)
+			& (sre.status.notin(["Delivered", "Cancelled"]))
+		)
 		.groupby(sre.item_code, sre.warehouse)
 	)
 
-	query = (
-		query.where(sre.item_code.isin(item_code))
-		if isinstance(item_code, list)
-		else query.where(sre.item_code == item_code)
-	)
-
-	if warehouse:
-		query = (
-			query.where(sre.warehouse.isin(warehouse))
-			if isinstance(warehouse, list)
-			else query.where(sre.warehouse == warehouse)
-		)
+	if warehouse_list:
+		query = query.where(sre.warehouse.isin(warehouse_list))
 
 	data = query.run(as_dict=True)
 
-	if isinstance(item_code, str) and isinstance(warehouse, str):
-		return data[0]["reserved_qty"] if data else 0.0
-	else:
-		return {(d["item_code"], d["warehouse"]): d["reserved_qty"] for d in data} if data else {}
+	return {(d["item_code"], d["warehouse"]): d["reserved_qty"] for d in data} if data else {}
 
 
 def get_sre_reserved_qty_details_for_voucher(voucher_type: str, voucher_no: str) -> dict:
@@ -711,7 +728,7 @@
 	).run(as_dict=True)
 
 
-def get_ssb_bundle_for_voucher(sre: dict) -> object | None:
+def get_ssb_bundle_for_voucher(sre: dict) -> object:
 	"""Returns a new `Serial and Batch Bundle` against the provided SRE."""
 
 	sb_entries = get_serial_batch_entries_for_voucher(sre["name"])
diff --git a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry_list.js b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry_list.js
index 442ac39..5b390f7 100644
--- a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry_list.js
+++ b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry_list.js
@@ -4,13 +4,14 @@
 frappe.listview_settings['Stock Reservation Entry'] = {
 	get_indicator: function (doc) {
 		const status_colors = {
-            'Draft': 'red',
-            'Partially Reserved': 'orange',
-            'Reserved': 'blue',
-            'Partially Delivered': 'purple',
-            'Delivered': 'green',
-            'Cancelled': 'red',
+                  'Draft': 'red',
+                  'Partially Reserved': 'orange',
+                  'Reserved': 'blue',
+                  'Partially Delivered': 'purple',
+                  'Delivered': 'green',
+                  'Cancelled': 'red',
 		};
-		return [__(doc.status), status_colors[doc.status], 'status,=,' + doc.status];
+
+            return [__(doc.status), status_colors[doc.status], 'status,=,' + doc.status];
 	},
 };
\ No newline at end of file
diff --git a/erpnext/stock/report/stock_balance/stock_balance.py b/erpnext/stock/report/stock_balance/stock_balance.py
index 337b0ea..a59f9de 100644
--- a/erpnext/stock/report/stock_balance/stock_balance.py
+++ b/erpnext/stock/report/stock_balance/stock_balance.py
@@ -165,7 +165,7 @@
 
 	def get_sre_reserved_qty_details(self) -> dict:
 		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
-			get_sre_reserved_qty_for_item_and_warehouse as get_reserved_qty_details,
+			get_sre_reserved_qty_for_items_and_warehouses as get_reserved_qty_details,
 		)
 
 		item_code_list, warehouse_list = [], []