12V 9AH GEL F2 Replacement Battery for APC Back-UPS NS1250 / NS 1250 - ML9-12GEL (8 Pack)

ML9-12GEL is a Mighty Max 12V 9AH GEL rechargeable, maintenance-free battery sold as an 8 pack and designed as a direct replacement for APC Back-UPS NS1250 (NS 1250) applications with F2 terminals. Engineered GEL chemistry: Compared with AGM cells, these GEL batteries have a slower self-discharge rate so they hold charge longer during storage — a practical upgrade when devices sit unused for periods. All-weather reliability: Built to perform across a wide temperature range, the ML9-12GEL maintains steady power delivery in both hot and cold environments, resisting the effects of temperature swings. Rugged, safer construction: The thick, non-spillable gel paste reduces the chance of leaks and acidic fumes, improving safety during handling and operation. This design also increases resistance to vibration and shock, making the batteries suitable for demanding or mobile installations. Why choose Mighty Max GEL: Customers rely on Mighty Max for consistent quality and dependable service life. These GEL batteries deliver improved discharge characteristics, stronger safety margins, better overall performance, and extended lifespan compared to many conventional lead-acid options.