Global Matter Wing,we have been committed to the production of golf cart accessories, has been more than 10 years of production experience. Our products are exported to the world and also are the main source of goods for several major golf cart accessories vendors in the United States. Be good quaulity and low price.Production of the highest cost performance of the accessories is the goal we have been working hard. Description 12V@30A Voltage Reducer Works with 36V and 48V applications Industry leading design feature BOTH constant and switched 12V outputs Connects entire battery pack instead of just one battery which improves the life of the battery pack Guarantee We take pride in delivering top quality products and are offer our friendly 90 day money back guarantee in case you are not 100% satisfied and wish to return the product for ANY reason.