Available in a wide range of Amp-Hour capacities, Rolls 2-volt OPzV GEL batteries offer maintenance-free convenience and comparable cycle life to high quality traditional flooded cells providing long-term dependability and peace of mind. Rolls OPzV models are well-suited for backup power applications as well as regular cycling such as small to large-scale remote off-grid, and grid-tied applications. Custom racking systems are available in a variety of configurations.