Mighty Max ML10-12GEL 12V 10AH GEL Battery F2 — Replacement for Simplex 4100U (2 Pack)

ML10-12GEL is a 12V 10AH gel rechargeable, maintenance-free battery sold as a pack of 2. Designed as an F2-terminal replacement for the Simplex 4100U, this GEL battery offers a slower self-discharge rate than AGM types, so it holds charge longer when idle—making it an excellent upgrade option. Constructed with a thick, non-spillable gel electrolyte, it reduces the chance of leaks and harmful fumes while providing added resistance to shocks and vibration for demanding installations. The Mighty Max GEL chemistry delivers reliable power across a wide temperature range, maintaining performance in both hot summers and cold winters. Trusted for consistent discharge behavior, enhanced safety and a longer operational life, this battery is engineered for dependable use in harsh conditions.