Panamax offers a variety of Uninterruptible Power Supply UPS Battery Backup systems providing power protection for Computer and Peripherals, Home Theater, Home UPS, UPS Backup System uses, personal, desktop and small enterprise. This includes the BATT1500-EXT UPS Battery Backup systems. Wholesale Batteries Direct has the high quality batteries that you want to buy at discount prices to power your Panamax UPS Battery Backup equipment. All of our batteries come with a full 1 year warranty.