Introducing the SDC RB12V4 RB 12 Series 12V DC Backup Battery, designed by Security Door Controls for optimal performance. This proprietary battery size guarantees reliability and consistent usability, ensuring your security devices remain powered. With a robust 12V DC output, it provides a steady and uninterrupted power supply, crucial for maintaining security. The impressive 4000 mAh capacity allows for quicker charging, enhancing convenience and usability. Never worry about losing power again—keep your security system operational at all times. Invest in peace of mind today and ensure your safety with the SDC RB12V4!