diff --git a/addons/point_of_sale/static/src/app/navbar/cash_move_popup/cash_move_popup.js b/addons/point_of_sale/static/src/app/navbar/cash_move_popup/cash_move_popup.js
index 9ede9c721e0..69883680ec6 100644
--- a/addons/point_of_sale/static/src/app/navbar/cash_move_popup/cash_move_popup.js
+++ b/addons/point_of_sale/static/src/app/navbar/cash_move_popup/cash_move_popup.js
@@ -10,6 +10,7 @@ import { usePos } from "@point_of_sale/app/store/pos_hook";
 
 import { AbstractAwaitablePopup } from "@point_of_sale/app/popup/abstract_awaitable_popup";
 import { ErrorPopup } from "@point_of_sale/app/errors/popups/error_popup";
+import { useValidateCashInput } from "@point_of_sale/app/utils/hooks";
 
 export class CashMovePopup extends AbstractAwaitablePopup {
     static template = "point_of_sale.CashMovePopup";
@@ -27,8 +28,10 @@ export class CashMovePopup extends AbstractAwaitablePopup {
             amount: "",
             reason: "",
             errorMessage: "",
+            parsedAmount: 0,
         });
         this.amountInput = useAutofocus({ refName: "amountInput" });
+        useValidateCashInput('amountInput');
     }
     async confirm() {
         let amount;
@@ -114,13 +117,13 @@ export class CashMovePopup extends AbstractAwaitablePopup {
         this.state.errorMessage = "";
         this.amountInput.el.focus();
     }
-    async cancel() {
-        super.cancel();
-        if (
-            this.pos.config.iface_cashdrawer &&
-            this.pos.hardwareProxy.connectionInfo.status === "connected"
-        ) {
-            this.pos.logEmployeeMessage(_t("Cash in / out"), "ACTION_CANCELLED");
+    handleInputChange() {
+        if (this.amountInput.el.classList.contains('invalid-cash-input')) {
+            this.amountInput.el.parentElement.classList.add('invalid-cash-input');
+            this.amountInput.el.style.border = 'none';
+            return;
         }
+        this.amountInput.el.parentElement.classList.remove('invalid-cash-input');
+        this.state.parsedAmount = parseFloat(this.state.amount);
     }
 }
diff --git a/addons/point_of_sale/static/src/app/navbar/cash_move_popup/cash_move_popup.xml b/addons/point_of_sale/static/src/app/navbar/cash_move_popup/cash_move_popup.xml
index 276d29aecc5..7e3aaf94c3c 100644
--- a/addons/point_of_sale/static/src/app/navbar/cash_move_popup/cash_move_popup.xml
+++ b/addons/point_of_sale/static/src/app/navbar/cash_move_popup/cash_move_popup.xml
@@ -12,7 +12,7 @@
                         <span t-on-click="() => this.onClickButton('out')" class="input-type" t-att-class="{ 'red-highlight': state.type === 'out' }">
                             Cash Out
                         </span>
-                        <div class="input-container popup-input" >
+                        <div class="input-container popup-input" t-on-input="handleInputChange" >
                             <span class="currency" t-esc="pos.currency.symbol" t-if="pos.currency.position=='before'"/>
                             <input class="input-field" type="text" name="amount" t-model="state.amount" t-ref="amountInput" t-on-keypress="_onAmountKeypress"/>
                             <span class="currency" t-esc="pos.currency.symbol" t-if="pos.currency.position=='after'"/>
@@ -25,8 +25,8 @@
                 </div>
             </main>
             <footer class="footer cash-move">
-                <div class="button confirm disable highlight" t-on-click="confirm">
-                    Confirm
+                <div class="button confirm disable highlight dynamic-size" t-on-click="confirm">
+                    Confirm <span t-esc="env.utils.formatCurrency(state.parsedAmount)"/>
                 </div>
                 <div class="button cancel" t-on-click="cancel">
                     Discard
diff --git a/addons/point_of_sale/static/src/app/navbar/closing_popup/closing_popup.js b/addons/point_of_sale/static/src/app/navbar/closing_popup/closing_popup.js
index 9c5736b3afc..0c4e3270a37 100644
--- a/addons/point_of_sale/static/src/app/navbar/closing_popup/closing_popup.js
+++ b/addons/point_of_sale/static/src/app/navbar/closing_popup/closing_popup.js
@@ -13,6 +13,8 @@ import { identifyError } from "@point_of_sale/app/errors/error_handlers";
 import { _t } from "@web/core/l10n/translation";
 import { usePos } from "@point_of_sale/app/store/pos_hook";
 import { sprintf } from "@web/core/utils/strings";
+import { parseFloat } from "@web/views/fields/parsers";
+import { useValidateCashInput } from "@point_of_sale/app/utils/hooks";
 
 export class ClosePosPopup extends AbstractAwaitablePopup {
     static components = { SaleDetailsButton };
@@ -35,6 +37,14 @@ export class ClosePosPopup extends AbstractAwaitablePopup {
             displayMoneyDetailsPopup: false,
         });
         Object.assign(this.state, this.props.info.state);
+        useValidateCashInput("closingCashInput");
+        if (this.otherPaymentMethods && this.otherPaymentMethods.length > 0) {
+            this.otherPaymentMethods.forEach(pm => {
+                if (this._getShowDiff(pm)) {
+                    useValidateCashInput("closingCashInput_" + pm.id, this.state.payments[pm.id].counted);
+                }
+            })
+        }
     }
     //@override
     async confirm() {
@@ -100,7 +110,8 @@ export class ClosePosPopup extends AbstractAwaitablePopup {
             this.pos.pos_session.id,
         ]);
     }
-    handleInputChange(paymentId) {
+    handleInputChange(paymentId, event) {
+        if (event.target.classList.contains('invalid-cash-input')) return;
         let expectedAmount;
         if (paymentId === this.defaultCashDetails.id) {
             this.manualInputCashCount = true;
@@ -110,6 +121,7 @@ export class ClosePosPopup extends AbstractAwaitablePopup {
         } else {
             expectedAmount = this.otherPaymentMethods.find((pm) => paymentId === pm.id).amount;
         }
+        this.state.payments[paymentId].counted = parseFloat(event.target.value);
         this.state.payments[paymentId].difference = this.env.utils.roundCurrency(
             this.state.payments[paymentId].counted - expectedAmount
         );
diff --git a/addons/point_of_sale/static/src/app/navbar/closing_popup/closing_popup.xml b/addons/point_of_sale/static/src/app/navbar/closing_popup/closing_popup.xml
index 7891e17d672..550ab50ea0e 100644
--- a/addons/point_of_sale/static/src/app/navbar/closing_popup/closing_popup.xml
+++ b/addons/point_of_sale/static/src/app/navbar/closing_popup/closing_popup.xml
@@ -26,8 +26,8 @@
                                 <tr>
                                     <td t-esc="defaultCashDetails.name"/>
                                     <td t-esc="env.utils.formatCurrency(defaultCashDetails.amount)"/>
-                                    <td class="flex" t-on-input="() => this.handleInputChange(defaultCashDetails.id)">
-                                        <input class="pos-input" type="number" t-model.number="state.payments[defaultCashDetails.id].counted" t-on-focus="ev=>ev.target.select()"/>
+                                    <td class="flex" t-on-input="(event) => this.handleInputChange(defaultCashDetails.id, event)">
+                                        <input class="pos-input" t-ref="closingCashInput" t-on-focus="ev=>ev.target.select()"/>
                                         <div class="button icon ClosePosPopup" t-on-click="openDetailsPopup">
                                             <i class="fa fa-money" role="img" title="Open the money details popup"/>
                                         </div>
@@ -65,7 +65,9 @@
                                 <td t-esc="pm.name"/>
                                 <td t-esc="env.utils.formatCurrency(pm.amount)"/>
                                 <t t-set="_showDiff" t-value="_getShowDiff(pm)" />
-                                <td t-if="_showDiff" t-on-input="() => this.handleInputChange(pm.id)"><input class="pos-input" type="number" t-model.number="state.payments[pm.id].counted" t-on-focus="ev=>ev.target.select()"/></td>
+                                <td t-if="_showDiff" t-on-input="() => this.handleInputChange(pm.id)">
+                                    <input class="pos-input" t-ref="closingCashInput_{{pm.id}}" t-on-focus="ev=>ev.target.select()"/>
+                                </td>
                                 <td t-if="_showDiff" t-esc="env.utils.formatCurrency(state.payments[pm.id].difference)" t-att-class="{'warning': state.payments[pm.id].difference}"/>
                             </tr>
                         </tbody>
diff --git a/addons/point_of_sale/static/src/app/store/cash_opening_popup/cash_opening_popup.js b/addons/point_of_sale/static/src/app/store/cash_opening_popup/cash_opening_popup.js
index e6bb8157bba..e026fb1a436 100644
--- a/addons/point_of_sale/static/src/app/store/cash_opening_popup/cash_opening_popup.js
+++ b/addons/point_of_sale/static/src/app/store/cash_opening_popup/cash_opening_popup.js
@@ -6,6 +6,8 @@ import { usePos } from "@point_of_sale/app/store/pos_hook";
 import { MoneyDetailsPopup } from "@point_of_sale/app/utils/money_details_popup/money_details_popup";
 import { useState } from "@odoo/owl";
 import { _t } from "@web/core/l10n/translation";
+import { parseFloat } from "@web/views/fields/parsers";
+import { useValidateCashInput } from "@point_of_sale/app/utils/hooks";
 
 export class CashOpeningPopup extends AbstractAwaitablePopup {
     static template = "point_of_sale.CashOpeningPopup";
@@ -24,6 +26,7 @@ export class CashOpeningPopup extends AbstractAwaitablePopup {
         this.orm = useService("orm");
         useAutofocus({ refName: "cash-input" });
         this.hardwareProxy = useService("hardware_proxy");
+        useValidateCashInput("cash-input", this.pos.pos_session.cash_register_balance_start);
     }
     //@override
     async confirm() {
@@ -54,12 +57,9 @@ export class CashOpeningPopup extends AbstractAwaitablePopup {
             this.moneyDetails = moneyDetails;
         }
     }
-    handleInputChange() {
+    handleInputChange(event) {
+        if (event.target.classList.contains('invalid-cash-input')) return;
         this.manualInputCashCount = true;
-        this.moneyDetails = null;
-        this.state.notes = "";
-        if (typeof this.state.openingCash !== "number") {
-            this.state.openingCash = 0;
-        }
+        this.state.openingCash = parseFloat(event.target.value);
     }
 }
diff --git a/addons/point_of_sale/static/src/app/store/cash_opening_popup/cash_opening_popup.xml b/addons/point_of_sale/static/src/app/store/cash_opening_popup/cash_opening_popup.xml
index 4b6db1766e9..9771aefe689 100644
--- a/addons/point_of_sale/static/src/app/store/cash_opening_popup/cash_opening_popup.xml
+++ b/addons/point_of_sale/static/src/app/store/cash_opening_popup/cash_opening_popup.xml
@@ -9,7 +9,7 @@
                 <div class="opening-cash-section">
                     <span class="info-title">Opening cash</span>
                     <div class="cash-input-sub-section" t-on-input="handleInputChange">
-                        <input class="pos-input" type="number" t-model.number="state.openingCash" t-ref="cash-input" t-on-focus="ev=>ev.target.select()"/>
+                        <input class="pos-input" t-ref="cash-input" t-on-focus="ev=>ev.target.select()"/>
                         <div class="button icon" t-on-click="openDetailsPopup">
                             <i class="fa fa-money" role="img" title="Open the money details popup"/>
                         </div>
@@ -18,7 +18,9 @@
                 <textarea placeholder="Add an opening note..." class="opening-cash-notes" t-model="state.notes"/>
             </main>
             <footer class="footer">
-                <div class="button" t-on-click="confirm">Open session</div>
+                <div class="button dynamic-size" t-on-click="confirm">
+                    Open session <span t-esc="env.utils.formatCurrency(state.openingCash)"/> 
+                </div>
             </footer>
         </div>
     </t>
diff --git a/addons/point_of_sale/static/src/app/utils/hooks.js b/addons/point_of_sale/static/src/app/utils/hooks.js
index b34090f7811..12028b4c67f 100644
--- a/addons/point_of_sale/static/src/app/utils/hooks.js
+++ b/addons/point_of_sale/static/src/app/utils/hooks.js
@@ -3,7 +3,9 @@ import { OfflineErrorPopup } from "@point_of_sale/app/errors/popups/offline_erro
 import { ConfirmPopup } from "@point_of_sale/app/utils/confirm_popup/confirm_popup";
 import { ErrorTracebackPopup } from "@point_of_sale/app/errors/popups/error_traceback_popup";
 import { ErrorPopup } from "@point_of_sale/app/errors/popups/error_popup";
-import { useEnv, onMounted, onPatched, useComponent, useRef } from "@odoo/owl";
+import { useEnv, onMounted, onPatched, onWillUnmount, useComponent, useRef } from "@odoo/owl";
+import { useService } from "@web/core/utils/hooks";
+import { escapeRegExp } from '@web/core/utils/strings';
 
 /**
  * Introduce error handlers in the component.
@@ -93,3 +95,43 @@ export function useAutoFocusToLast() {
     onMounted(autofocus);
     onPatched(autofocus);
 }
+
+export function useValidateCashInput(inputRef, startingValue) {
+    const cashInput = useRef(inputRef);
+    const localization = useService("localization");
+    const decimalPoint = localization.decimalPoint;
+    const thousandsSep = localization.thousandsSep;
+    // Replace the thousands separator and decimal point with regex-escaped versions
+    const escapedDecimalPoint = escapeRegExp(decimalPoint);
+    let floatRegex;
+    if (thousandsSep) {
+        const escapedThousandsSep = escapeRegExp(thousandsSep);
+        floatRegex = new RegExp(`^-?(?:\\d+(${escapedThousandsSep}\\d+)*)?(?:${escapedDecimalPoint}\\d*)?$`);
+    } else {
+        floatRegex = new RegExp(`^-?(?:\\d+)?(?:${escapedDecimalPoint}\\d*)?$`);
+    }
+    function isValidFloat(inputValue) {
+        return ![decimalPoint, '-'].includes(inputValue) && floatRegex.test(inputValue);
+    }
+    function handleCashInputChange(event) {
+        let inputValue = (event.target.value || "").trim();
+
+        // Check if the current input value is a valid float
+        if (!isValidFloat(inputValue)) {
+            event.target.classList.add('invalid-cash-input');
+        } else {
+            event.target.classList.remove('invalid-cash-input');
+        }
+    }
+    onMounted(() => {
+        if (cashInput.el) {
+            cashInput.el.value = (startingValue || 0).toString().replace('.', decimalPoint);
+            cashInput.el.addEventListener("input", handleCashInputChange);
+        }
+    });
+    onWillUnmount(() => {
+        if (cashInput.el) {
+            cashInput.el.removeEventListener("input", handleCashInputChange);
+        }
+    })
+}
diff --git a/addons/point_of_sale/static/src/css/popups/common.css b/addons/point_of_sale/static/src/css/popups/common.css
index 1b418797eec..c1146d3e535 100644
--- a/addons/point_of_sale/static/src/css/popups/common.css
+++ b/addons/point_of_sale/static/src/css/popups/common.css
@@ -30,3 +30,24 @@
 .pos .popup .footer-flex .button {
     margin-right: 0;
 }
+
+.pos .popup .invalid-cash-input {
+    color: red;
+    animation: blink 0.5s linear;
+    animation-iteration-count: 2;
+    border: 1px solid red;
+    box-shadow: none !important;
+}
+
+.pos .popup .invalid-cash-input:focus {
+    border-color: red;
+}
+
+@keyframes blink {
+    0%, 100% {
+        border-color: red;
+    }
+    50% {
+        border-color: transparent;
+    }
+}
diff --git a/addons/point_of_sale/static/src/scss/pos.scss b/addons/point_of_sale/static/src/scss/pos.scss
index a837a87ed87..b3320659280 100644
--- a/addons/point_of_sale/static/src/scss/pos.scss
+++ b/addons/point_of_sale/static/src/scss/pos.scss
@@ -2629,6 +2629,11 @@ td {
     border: 1px solid $gray-200;
     color: $primary;
 }
+.pos .popup .button.dynamic-size {
+    width: auto; 
+    white-space: nowrap; 
+    padding: 0 15px;
+}
 
 .pos .button .flex-column {
     display: flex;