A bulletproof glass screen and a bulletproof glass screen device which are relatively light and highly workable and provide a relatively high protectiveness and transparency. A battery charging profile is configured to achieve a minimal degradation of a selected battery possible for a given charge time. The noise of the crash between the cover and the container body is low, and closing of the cover is rapid and spiffy. The laser-driving unit is used for driving the laser diode to output power.