2 ms·Joules per Kg or gtfo.by petermcneeley 5y agoJoules per Kg or gtfo.errcorrectcode 5y agoWell not just energy capacity [J/kg = m^2/s^2 = 1/3600 W hr/kg], but power capacity [W/kg = J/(kg s) = m^2/s^3] too.