While nickel-based batteries can be stored in a fully discharged state with no apparent side effect, Li-ion cannot dip below 2V/cell for any length of time. Copper shunts form inside the cells that can lead to elevated self-discharge or a partial electrical short.
Couscous is a coarsely ground semolina pasta that is a dietary staple in North African countries. It is also widely used in Middle Eastern countries and has become popular in American dishes. It is made of semolina, flour, salt, and water. Similar to rice in shape, color, and texture, it is used in many dishes as rice would be.
1 Heat 2/3 cup water to boil in a small pot; turn off heat and add couscous. Let stand for five to 10 minutes, fluffing with a fork after a few minutes.  Combine avocado, tomatoes and feta with couscous. Whisk vinegar with oil and salt, and drizzle over couscous. Stir well and chill until ready to serve.