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.
Hella. DEFINE IT: Again, not a new term but hella has become quite popular with teens these days. Hella replaces really. SAY IT: I can't even deal with how many 'likes' my photo has, this is hella cray cray.. Soft. DEFINE IT: Someone who is weak (doesn't have to be physically), tired or is too afraid to do something.