Here you can buy the latest in high-efficiency inverter electric generators and higher-range gasoline, diesel and propane generators from major brands available in the United States. We ship to Puerto Rico with the lowest shipping costs with delivery to your home or business. Delivery within the United States in the 48 contiguous states is FREE. For other countries, please contact us for more details on shipping costs. We manage our operations from our administrative office in Manatí, Puerto Rico. Merchant registration certificate 0163044-0038. Green Power Tech Store Corp. 433500.