Ztw Mantis 6A BEC 2-3S LiPo 600Hz SimonK ESC This Ztw brushless electric ESC is specifically designed to power multirotor aircraft motors. For use with 2S to 3S LiPo. Includes BEC. Weight: 6g. Dims: 14x21x7 mm. 6 Amps continuous current, up to 8 Amps burst. Factory flashed to SimonK code, with 600Hz update rate. All-NFET design with external crystal oscillator.