This is a high voltage version ESC supports 6S to 12S LiPo batteries but without BEC. ZTW Mantis Series ESCs are designed for both beginner and advanced modelers. Their performance and stability have been approved by distributors and pilots around the world. Mantis ESCs feature a compact size, light weight, super smooth start up and throttle linearity, multiple protection modes, solid BEC output, and more. All these features make Mantis Series ESCs the perfect mid-level speed controller for park flyer, sport, and aerobatic pilots.