Flashlight-kubotan: a good idea or dummy

 
3r3-31.

 
The human brain has an amazing ability to combine incompatible things at first glance.
 
And so it happened!
 
Some time after I literally dreamed of flat kubotan , there was a problem of not enough bright "flashlight" of the next smartphone.
 
And then the clap! IDEA!
 
Do not judge strictly for a clumsy prototype, but join the discussion!
 
What features are supposed to get in the gadget:
 
 
3r3335. Flashlight, including for use as an additional flash to the smartphone like iblazr.
 
3r3335. POWERBANK
 
3r3335. Directly kubot
 
3r3338.
 
Estimated TTH - aluminum case, diameter - 25 mm, length - 140 mm, battery - 1x1865? a pair of 3w LEDs, a magnet for fixing on metal surfaces.
 
Actually, the question is - is it worth trying to start producing such a device and what should be changed in it?
 
In fact, I see three things for correction - we need notches /relief body, the lantern should be classic - shine along the axis, the button is bigger - in the prototype I just used what was at hand.
 
Well and so, the device in a pocket /hand and on weight does not cause complaints.
 
And would you need such a device?
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3r376.
3r380. Is it worth developing this idea before a startup? 3r3118.
3r3386.
3r388.
3r395.
3r3111.
3r3113.
3r3133. 3r3117. Yes
3r3111.
3r3113.
3r3133. 3r3117. No 3r3118.
3r3125.
3r3128.
3r3-33132. Voted by 5 users. Abstained 3 users.