TiTAN 21002 H.V. 40mm Motor Cooling Fan $15.95 / Tax included. Default Title Default Title Add to Cart Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. This is Team TiTAN's 40mm high voltage (HV) cooling fan. It is suitable for connection to the receiver (BEC voltage) and direct connection to the battery tabs on your ESC (HV up to 8.4V).