Auxiliary device for high performances emergency lighting. Module, battery pack and inverter can be easily installed in most common lighting fixtures. Kit supplied with three high transparency polycarbonate lenses, symmetric, asymmetric and high ceiling, to achieve different lighted area dimensions and allows installation from 3 to 7 meters height. The LED module is equipped with clips for installation on T5 and T8 tubes. The high efficiency LED is equipped with graphite doped polyamide heatsink.