I compare Q5 flashlight with P4 flashlght.
18650 battery (3.7V 2400mAh) is used for comparison.
http://photo.naver.com/view/2007121616532515357
18650 battery (3.7V 2400mAh) is used for comparison.
http://photo.naver.com/view/2007121616532515357
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