... built-in IC chip control LED flash, this light has 9 usages-selectable flash patterns: ROTATE, double ... age of the battery, etc. Step of charging: 1> Put the light on ground, back side is upturned. 2 ... the CAR charger instead.When it is succeed charging, the light on ellipse charger is GREEN, and when ... , output voltage: 5.5V, output electricity 450MA Charging time: battery can be fully charged within 2- ...