Specific energy
= Specific energy
{title2=$\varepsilon_{\rm sp}$}
Energy per unit mass, with units such as $\mathrm{J\,kg^{-1}}$ or $\mathrm{Wh\,kg^{-1}}$. Active-material, cell and packaged-system mass bases can give very different values.
= Specific energy
{title2=$\varepsilon_{\rm sp}$}
Energy per unit mass, with units such as $\mathrm{J\,kg^{-1}}$ or $\mathrm{Wh\,kg^{-1}}$. Active-material, cell and packaged-system mass bases can give very different values.