Depends if you're comparing specific power or charge time. Current batteries charge in as little as 18 minutes so by this metric it's about a quarter to a thir

Depends if you're comparing specific power or charge time. Current batteries charge in as little as 18 minutes so by this metric it's about a quarter to a third as good. But this has 3x the energy density so it's about on par (same weight battery accepts similar amount of energy in similar time).