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    Looking to build a small "sky-laser"

    Hi, I want to build a small "sky-laser" to locate near my tent at festivals. I will use 2 X 12 V batteries, 7.2 Ah each (total 14.4 Ah @ 12V) so i think 3-10 W laser could be good. I have a voltage adapter so i can use any voltage necessary. Could you recommend a specific laser diode to use...