... +2h+1=15h (h), set the end of the first work period.Press the reset button for 1 second, Light flashes twice per ... variety of low voltage lighting.Iii: A unique mode of the CPU power for a variety of voltage-mode, 12V - 60V automatic identification ... control, different discharge rate with different termination voltage, fit for the battery inherent characteristics4 Science of battery management,5 with a ...