The Bodine Tran-BAL DC Inverter Ballast is designed for use in commercial and industrial applications that require long product life and dependable operation. Tran-Bal ballasts features include no need for starters and other ballasts, high frequency operation which eliminates audible noise, elimination of 50/60 Hz flicker and smaller size. Applications include vehicle lighting in ambulances, buses, commercial vans, ice cream trucks and subways. Flicker-free light sources for photoelectric applications, inspection systems, scanning equipment and reprographic equipment. solar energy and energy efficient lighting from photovoltaic systems.