From the Brand Website
PowerEdge Lithium Products, LLC is the result of 2 years of market research to determine the quality and performance of lithium polymer batteries that modeling consumers demand. Our product testing and development have resulted in what we think is one of the best performing lithium polymer packs on the market today for the RC modeler.
Not all lithium polymer batteries are created equal and there is a tremendous difference in quality, performance and longevity among various products. Our lithium products are top quality and we back up our products with a warranty that you can trust.