Car Battery Shop in Johor Bahru, KedaI Bateri Kereta Johor bahru. A flat car battery is the most common cause of a vehicle breakdown. At RV Battery Supplies. we offer onsite car battery replacement services at the best prices with no hidden charges. We stock a huge range of car batteries in our shop. We can have a battery delivered and installed within 60 minutes. This gives us the ability to deliver a great service with the fastest response. Call now!