I have been asked to price up a cabinet or two for an order of iPads my work are looking to buy. We already have 75 and are looking to add another 80 that are used for teaching and exams. We've got some charging cases at the moment, but at 10 per case and having to have them open to charge makes them not very space efficient. I am thinking something along the lines of this
I have LOADS of lightening cables so even if it just has usb output per slot, that would do rather than being specific. Has to be available in the uk from a reputable seller, not alibaba like that one.
Any suggestions welcome.

I have LOADS of lightening cables so even if it just has usb output per slot, that would do rather than being specific. Has to be available in the uk from a reputable seller, not alibaba like that one.
Any suggestions welcome.