"Unlike other zinc-based batteries that discharge in just a few hours, the newly made battery can retain its charge for a week." Good enough for a variety of u

"Unlike other zinc-based batteries that discharge in just a few hours, the newly made battery can retain its charge for a week." Good enough for a variety of uses. But poor compared to other batteries. Given this high self-discharge, it would be important to know what happens when this battery is left in discharged state for a long(er) time? Most battery types degrade quickly when this happens.