... 2) Battery : 4v, 0.8AH lead acid battery 0.5w high power Led rechargeable Flashlight (YD-8843 ) Specificationunit size :Φ56*L163mma. With more ... .c. With recyclable, high brithness, long life, save electricity 0.5w led, it is able to light much more longer.d. With ... light working , if stop working , then push the switch backward .3.with full charging , the weak light can last for 20 ...