Mighty Max ML9-12GEL 12V 9AH GEL F2 Replacement Battery — Compatible with APC Back-UPS 1200 BX1200 (4 Pack)

ML9-12GEL is a Mighty Max 12V 9AH GEL rechargeable, maintenance-free battery sold as a pack of 4. Designed as a direct replacement compatible with APC Back-UPS 1200 BX1200, this GEL battery offers reliable standby power with lower self-discharge than AGM cells, so it holds a charge longer when not in use. Built to withstand temperature extremes, the ML9-12GEL maintains consistent output across a wide range of climates for dependable performance year-round. Its thick, non-spillable gel paste construction minimizes the risk of leaks and corrosive fumes, and the sealed design improves resistance to vibration and shock—making it suitable for tougher operating conditions. Customers choose Mighty Max for dependable, long-lasting power. The advanced GEL chemistry provides improved discharge behavior, enhanced safety, and extended service life compared with conventional designs.