Power-Sonic 12V/18AH Sealed Lead Acid Battery w/ NB Terminal (also works with APC AP1250) Looking for reliable performance from your APC AP1250 UPS Backup? Our APC AP1250 battery will provide you the performance and dependability that you demand for your UPS Backup. With a high efficency rating, you never have to worry about being too far from an ac outlet. Our line of APC AP1250 batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications. With an industry leading warranty and customer service, you can’t go wrong. ... More Info