To me its just as easy to unscrew the atty a turn as it is to flip a switch to turn it off! This will be very very desirable. You can run it with an 18650 for 3.7 one of them 4.8 nimh batteries for 5 volts or 2 rcr123 tenergy 3.2 batteries for 6v and put two 18350's in and flip the switch and...
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