Progressive Dynamics Inc. (PDI) produces a full line of products for the RV, marine and specialty industries. No matter the product, at PDI you receive superior quality and customer service. Our product’s are designed, assembled, tested, warranted and serviced in the U.S.A.Recreational Vehicle power conversion and battery charging products enhanced by our Charge
Wizard® 4-stage battery management system. This management system constantly monitors
voltage status and automatically manages your battery. Accessories are also available.