... as a spotlight with the maximum lighting time of 150 hours. 2.When you use 40 long-life high- ... built-in lead-acid battery,rechargeable,free of maintenance,with the capacity of 4AH,6V. 4.The indicator light ... charged and 20 hours are needed when the electricity of the battery is full.The charging voltage must ... automatic emergency circuit.When it is in the state of charging, the LEDs are all off. 6. It ...