Profile: Progressive Dynamics, Inc. offers recreational vehicle products to the RV industry. Our brands include Inteli-Power™, Charge Wizard™, Life-Air 1000™, and Soft-Flex™. We provide products for the RV and marine industry. We design and develop test equipment for high voltage distribution systems. We specialize in metal halide and halogen illuminators. Our Ultimate 4500-series is an all-in-one AC/DC distribution panel and Inteli-Power™ converter in a single package. Our PD4600 series converter is designed to replace or upgrade existing RV power center converters, and is available in 55-amp (PD4655), 45-amp (PD4645) and 35-amp (PD4635) models.