... pollution, no memory lithium-ion battery, and the capacity is up to 2400mAH;2. lithium-ion battery built-in overcharge & ... times above;3. With 1W high power LED electronic spotlight, low power consumption, the ... scope range is large, especially for the staff working at night or in dark environment.Operating ... , the lighting is off. It cycles like this .Cautions:For service life of the battery, when ...