The Zeaps' ultracapacitor system does not seek to store energy in an ESU, the intention is to fully exploit the utracapacitor's specific power capability which according to the ITS can exceed 6kW/kg at 95% efficiency We offer a new type of power system which combines conventional high energy density energy sources with state of the art high power density ultracapacitors to bring about unprecedented levels of performance and efficiency in all dynamic load applications