Shenzhen CHL Industries Co., Ltd., founded in 2014, specializes in R&D, manufacturing, and sales in the Jump Starter field. Green Keeper, our innovative jump starter brand, disrupts the industry with patented technology, ensuring the safest starting solution and easiest connection. Our Smart Connect™ Technology eliminates clamping errors and charges ensure you the 1 hour experience. Welcome to the era of Green Keeper, where we set the standard in design, performance, and safety.