I think so, especially when you will be pushing 40+ volts through it, if your not comfortable with the Hurcules HV they do have a higher amp model but the voltage goes down and also there is the Koolflight

heres the Hercules 5 amp 45v model
http://www.helidirect.com/product_in...oducts_id=4666

and the Koolflight

http://www.hobby-lobby.com/ubec.htm