Ready to use without further assembly or test; supplied in a state that is ready to turn on and operate (typically refers to an assembly that is outsourced for manufacture)

plural of study guide

2170 (electrochemical battery of a secondary storage cell)

Eager; craving; urged by desire; eager to taste or enjoy; greedy. / Lecherous; lustful, mawkish. / Tempting the appetite; dainty. / (Northern England) Sweet, luscious.