Battery storage power stations use rechargeable batteries for load-leveling (storing electric energy at times of low demand for use during peak periods) and for renewable energy uses (such as storing power generated from photovoltaic arrays during the day to be used at night).
Definition of dray. : a vehicle used to haul goods; especially : a strong cart or wagon without sides.
Slay is defined as to kill or destroy in a violent way, or is slang meaning to impress or amuse. 1  An example of slay is to kill a vampire.  An example of slay is to tell ten hysterical jokes one right after another.