Mighty Max ML10-12GEL 12V 10AH F2 GEL Replacement Battery for Opti-UPS 280ES / 420ES - 2 Pack

ML10-12GEL is a 12V 10AH maintenance-free GEL battery sold as a 2 Pack and designed as an F2 terminal replacement compatible with Opti-UPS 280ES and 420ES units. Built with GEL chemistry, these batteries have a slower self-discharge rate than AGM batteries, so they hold charge longer during storage and provide dependable, long-lasting power when needed. Constructed with a thick, non-spillable gel paste, the cells minimize the risk of leaks and harmful fumes while improving safety in use. The gel design also increases resistance to vibration and shock, making these batteries suitable for heavy-duty or mobile applications. Mighty Max GEL batteries are engineered to perform across a wide temperature range, delivering consistent output in both hot and cold environments. Customers rely on Mighty Max for dependable GEL technology that offers improved discharge characteristics, enhanced safety features, strong performance, and an extended service life.