diff --git a/src/app/admin/batteries/[id]/page.tsx b/src/app/admin/batteries/[id]/page.tsx
index 1dadfed..0ce336d 100644
--- a/src/app/admin/batteries/[id]/page.tsx
+++ b/src/app/admin/batteries/[id]/page.tsx
@@ -97,7 +97,12 @@ interface Battery {
   lastMaintenance?: string;
   nextMaintenance?: string;
   bmsData?: BMSData;
-  monthlyRent?: number;
+  deposit?: number;
+  rentPrice?: number;
+  investorId?: string;
+  investorName?: string;
+  investorSharePercentage?: number;
+  investedAmount?: number;
   ownershipLogs: OwnershipLog[];
   damageHistory?: DamageRecord[];
   maintenanceHistory?: MaintenanceRecord[];
@@ -126,7 +131,12 @@ const mockBattery: Battery = {
   assignedBikerPhone: '01712345678',
   currentHubId: 'HUB-001',
   currentHubName: 'JAIBEN Head Office',
-  monthlyRent: 1500,
+  deposit: 5000,
+  rentPrice: 150,
+  investorId: 'INV-001',
+  investorName: 'Tahmid Rahman',
+  investorSharePercentage: 60,
+  investedAmount: 45000,
   lastMaintenance: '2024-03-01',
   nextMaintenance: '2024-06-01',
   bmsData: { voltage: 67.2, current: -2.5, soc: 78, temperature: 32, cycles: 156, health: 95, timestamp: '2024-03-28 12:00:00' },
@@ -549,12 +559,14 @@ export default function BatteryDetailPage({ params }: { params: Promise<{ id: st
                 <p className="text-xs text-slate-500">Purchase Price</p>
                 <p className="font-medium text-slate-700">৳{battery.purchasePrice.toLocaleString()}</p>
               </div>
-              {battery.monthlyRent && (
-                <div className="bg-slate-50 rounded-lg p-3">
-                  <p className="text-xs text-slate-500">Monthly Rent</p>
-                  <p className="font-medium text-green-600">৳{battery.monthlyRent}/month</p>
-                </div>
-              )}
+              <div className="bg-slate-50 rounded-lg p-3">
+                <p className="text-xs text-slate-500">Deposit</p>
+                <p className="font-medium text-emerald-600">৳{(battery.deposit || 5000).toLocaleString()}</p>
+              </div>
+              <div className="bg-slate-50 rounded-lg p-3">
+                <p className="text-xs text-slate-500">Daily Rent Price</p>
+                <p className="font-medium text-blue-600">৳{(battery.rentPrice || 150).toLocaleString()}/day</p>
+              </div>
             </div>
           )}
 
@@ -646,13 +658,18 @@ export default function BatteryDetailPage({ params }: { params: Promise<{ id: st
                 <DollarSign className="w-5 h-5 text-green-600" />
                 <h4 className="font-medium text-slate-700">Rent Information</h4>
               </div>
-              {battery.monthlyRent ? (
+              {battery.rentPrice ? (
                 <div className="bg-green-50 rounded-lg p-5 border border-green-100">
-                  <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
+                  <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
                     <div>
-                      <p className="text-sm text-green-600 mb-1">Monthly Rent Amount</p>
-                      <p className="text-3xl font-bold text-green-700">৳{battery.monthlyRent}</p>
-                      <p className="text-xs text-green-500 mt-1">per month</p>
+                      <p className="text-sm text-blue-600 mb-1">Daily Rent Price</p>
+                      <p className="text-2xl font-bold text-blue-700">৳{battery.rentPrice.toLocaleString()}</p>
+                      <p className="text-xs text-blue-500 mt-1">per day</p>
+                    </div>
+                    <div>
+                      <p className="text-sm text-emerald-600 mb-1">Battery Deposit</p>
+                      <p className="text-2xl font-bold text-emerald-700">৳{(battery.deposit || 0).toLocaleString()}</p>
+                      <p className="text-xs text-emerald-500 mt-1">refundable</p>
                     </div>
                     <div>
                       <p className="text-sm text-green-600 mb-1">Status</p>
@@ -970,8 +987,8 @@ export default function BatteryDetailPage({ params }: { params: Promise<{ id: st
               <p className="font-medium text-blue-900">{battery.currentHubName || battery.currentStationName || 'Not Assigned'}</p>
             </div>
             <div className="bg-white rounded-lg p-3">
-              <p className="text-xs text-blue-500 mb-1">Monthly Rent</p>
-              <p className="font-medium text-green-600">৳{battery.monthlyRent}/month</p>
+              <p className="text-xs text-blue-500 mb-1">Daily Rent</p>
+              <p className="font-medium text-green-600">৳{(battery.rentPrice || 150)}/day</p>
             </div>
           </div>
         </div>
@@ -1099,11 +1116,20 @@ function EditBatteryModal({
               />
             </div>
             <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">Monthly Rent (৳)</label>
+              <label className="block text-sm font-medium text-slate-700 mb-1">Deposit (৳) *</label>
               <input
                 type="number"
-                value={formData.monthlyRent || 0}
-                onChange={(e) => handleChange('monthlyRent', parseInt(e.target.value))}
+                value={formData.deposit || 0}
+                onChange={(e) => handleChange('deposit', parseInt(e.target.value))}
+                className="w-full px-3 py-2 border border-slate-200 rounded-lg text-sm"
+              />
+            </div>
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">Daily Rent Price (৳) *</label>
+              <input
+                type="number"
+                value={formData.rentPrice || 0}
+                onChange={(e) => handleChange('rentPrice', parseInt(e.target.value))}
                 className="w-full px-3 py-2 border border-slate-200 rounded-lg text-sm"
               />
             </div>
diff --git a/src/app/admin/batteries/page.tsx b/src/app/admin/batteries/page.tsx
index adeb3d0..4854ca2 100644
--- a/src/app/admin/batteries/page.tsx
+++ b/src/app/admin/batteries/page.tsx
@@ -63,6 +63,8 @@ interface Battery {
   lastMaintenance?: string;
   nextMaintenance?: string;
   bmsData?: BMSData;
+  deposit?: number;
+  rentPrice?: number;
   history: BatteryHistory[];
 }
 
@@ -99,6 +101,8 @@ const mockBatteries: Battery[] = [
     voltage: 60,
     purchaseDate: '2024-01-15',
     purchasePrice: 45000,
+    deposit: 5000,
+    rentPrice: 150,
     warrantyExpiry: '2027-01-15',
     status: 'in-use',
     currentSoc: 78,
@@ -129,6 +133,8 @@ const mockBatteries: Battery[] = [
     voltage: 48,
     purchaseDate: '2024-02-01',
     purchasePrice: 38000,
+    deposit: 4000,
+    rentPrice: 120,
     warrantyExpiry: '2027-02-01',
     status: 'available',
     currentSoc: 100,
@@ -150,6 +156,8 @@ const mockBatteries: Battery[] = [
     voltage: 60,
     purchaseDate: '2024-01-20',
     purchasePrice: 42000,
+    deposit: 4500,
+    rentPrice: 130,
     warrantyExpiry: '2027-01-20',
     status: 'maintenance',
     currentSoc: 15,
@@ -172,6 +180,8 @@ const mockBatteries: Battery[] = [
     voltage: 60,
     purchaseDate: '2024-02-15',
     purchasePrice: 46000,
+    deposit: 5000,
+    rentPrice: 150,
     warrantyExpiry: '2027-02-15',
     status: 'in-use',
     currentSoc: 92,
@@ -200,6 +210,8 @@ const mockBatteries: Battery[] = [
     voltage: 60,
     purchaseDate: '2024-03-01',
     purchasePrice: 50000,
+    deposit: 5500,
+    rentPrice: 160,
     warrantyExpiry: '2027-03-01',
     status: 'charging',
     currentSoc: 85,
@@ -221,6 +233,8 @@ const mockBatteries: Battery[] = [
     voltage: 48,
     purchaseDate: '2023-06-15',
     purchasePrice: 28000,
+    deposit: 3000,
+    rentPrice: 90,
     warrantyExpiry: '2026-06-15',
     status: 'retired',
     currentSoc: 0,
@@ -896,6 +910,26 @@ function BatteryForm({ battery, onSave, onCancel }: { battery: Battery | null; o
             className="w-full px-3 py-2 border border-slate-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-accent"
           />
         </div>
+        <div>
+          <label className="block text-sm font-medium text-slate-700 mb-1">Deposit (৳) *</label>
+          <input
+            type="number"
+            value={formData.deposit || 0}
+            onChange={(e) => handleChange('deposit', parseInt(e.target.value))}
+            placeholder="5000"
+            className="w-full px-3 py-2 border border-slate-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-accent"
+          />
+        </div>
+        <div>
+          <label className="block text-sm font-medium text-slate-700 mb-1">Daily Rent Price (৳) *</label>
+          <input
+            type="number"
+            value={formData.rentPrice || 0}
+            onChange={(e) => handleChange('rentPrice', parseInt(e.target.value))}
+            placeholder="150"
+            className="w-full px-3 py-2 border border-slate-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-accent"
+          />
+        </div>
         <div>
           <label className="block text-sm font-medium text-slate-700 mb-1">Transaction Method</label>
           <select
@@ -1044,6 +1078,14 @@ function BatteryDetails({
           <p className="text-xs text-slate-500 mb-1">Purchase Price</p>
           <p className="font-semibold text-slate-700">৳{battery.purchasePrice.toLocaleString()}</p>
         </div>
+        <div className="bg-slate-50 rounded-lg p-3">
+          <p className="text-xs text-slate-500 mb-1">Battery Deposit</p>
+          <p className="font-semibold text-emerald-700">৳{(battery.deposit || 0).toLocaleString()}</p>
+        </div>
+        <div className="bg-slate-50 rounded-lg p-3">
+          <p className="text-xs text-slate-500 mb-1">Daily Rent Price</p>
+          <p className="font-semibold text-blue-700">৳{(battery.rentPrice || 0).toLocaleString()}/day</p>
+        </div>
       </div>
 
       {battery.bmsData && (