The 6028QC-RBB (EDMO# 6028QC-B) is a replacement battery box designed specifically for the START PAC® 6028QC™ 28V Portable Aircraft Starting Unit. Built to deliver reliable starts for even the largest electrically started turbine or piston engines, this rugged and easy-to-install battery box enables quick battery replacement to minimize downtime. Maintaining the same high-quality construction and protective coating as the original, it ensures long-term durability and performance in harsh environments. Keep your 6028QC™ running strong with this essential replacement component.