Indipro B-Stock products may show various signs of use, such as dents or scratches that do not affect product function. All B-Stock items have been quality tested and comes with a 30 day limited warranty. This Indipro 2.1mm to Canon LP-E6 Type Dummy Battery Cable is designed to work with specifically with the Indipro Porta-Pak Battery system to provide power to devices that accept Canon LP-E6 type batteries. The cable is 8″ long and polarity tested? so you don’t have to worry about crossed polarity when powering devices. Made in the USA.