diff --git a/src/app/admin/rentals/page.tsx b/src/app/admin/rentals/page.tsx
index 7d2bf5a..d419759 100644
--- a/src/app/admin/rentals/page.tsx
+++ b/src/app/admin/rentals/page.tsx
@@ -36,6 +36,7 @@ interface Rental {
   batteryId?: string;
   batteryName?: string;
   batteryRent?: number;
+  batteryRentPending?: number;
   type: RentalType;
   status: RentalStatus;
   startDate: string;
@@ -702,7 +703,7 @@ export default function RentalsPage() {
                             ? Math.round(batteryRent / 4)
                             : batteryRent;
                         const totalRent = bikeRent + batteryRentAdjusted;
-                        const due = rental.pendingRent + rental.batteryRentPending || 0;
+                        const due = (rental.pendingRent || 0) + (rental.batteryRentPending || 0);
                         const penalty = rental.penaltyAmount || 0;
                         const totalDue = due + penalty;
                         const periodLabel = rental.subscriptionType === 'daily' ? 'day' : rental.subscriptionType === 'weekly' ? 'wk' : 'mo';