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when we install the battery to electric equipment, we always feel puzzled . we can not tell positive pole from negative one because of the unclear sign for the opposite plates, and sometimes not enough light.Even the normal people will meet this kind of problem, not to mentione the old and the blind.
the design of the Battery storehouse use the theory of Produce Form Conjunct Design,manifying the shape of the battery. It is convinient for people even the old and the blind to tell the positive pole from negative one of the battery storehouse.
GuiLin University of Technology