SALLE is a Tubelite Exclusive, solar stand alone/hybrid LED lighting package with options for existing or new signs. This system is for LED light engines that operate on 12VDC or 24VDC power supply units. Though the SALLE system is powered by solar and batteries, it also has the capability of using utility power as a strong and dependable back up. With its simple, user friendly control modules, SALLE can be utilized for raceway or remote signs. To ensure maximum reliability, all critical operations have built in redundancy. This is achieved through its dual charge controllers and battery banks, which can sense and automatically switch between them if operation dictates. The applications possible with SALLE are unlimited.