Mighty Max ML9-12GEL 12V 9AH GEL F2 Replacement Battery for APC Back-UPS BK500-CH - 8 Pack

ML9-12GEL is a 12V 9AH GEL rechargeable, maintenance-free battery sold as an 8-pack. Designed as a direct replacement for APC Back-UPS BK500-CH, these units provide dependable backup power for UPS systems and other sealed lead-acid applications. Long hold time and consistent output: The GEL construction features a lower self-discharge rate than AGM batteries, so these cells retain charge longer during storage and offer steady, long-lasting power when put into service — an ideal upgrade option. Reliable across temperature extremes: Mighty Max GEL batteries maintain stable performance in a wide range of climates. Their design helps preserve output whether operating in high heat or cold conditions, delivering reliable power through seasonal temperature swings. Built for rugged use and safer handling: Each battery uses a thick, non-spillable gel paste that minimizes the chance of leaks and reduces hazardous fumes. The gel formulation also improves resistance to vibration and shock, making these packs suitable for demanding environments. Trusted brand and proven benefits: Mighty Max has a reputation for quality and reliability. These GEL batteries offer improved discharge characteristics, enhanced safety, dependable performance, and an extended service life compared to conventional sealed lead-acid options.