The ECO-MPS Series emergency micro power systems are designed to provide consistent, sinusoidal AC power to lighting loads during outages. Available in models from 20W to 55W, these inverters feature universal 120/277V input/output, low power consumption, and support surface, recessed, or T-grid mounting. Each unit includes a sealed lead-calcium or nickel-cadmium battery with advanced protection circuits, as well as optional self-diagnostics and remote testing.