In a stack or matrix of lockers, typically in two, three or more tiers or rows and in multiple columns, charge power strips are secured at the back sides of the lockers and exposed through openings in the back walls of the lockers so as to provide line power and also low-voltage DC charging power for smartphones and other portable devices, with a plurality of different charge port fittings provided. The power strips are of a length to extend to two or more lockers and preferably are installed vertically, but could be installed horizontally. The lockers have a protected channel at rear, within which the power strip is installed.