introConvert your laser pointer to AA or AAA
Those LR44, A76, or 357 size batteries are more expensive than the laser pointer!! I needed a reasonable alternative. This one looks kinda rough but it does the job well and it is extremely cheap.
http://www.instructables.com/id/Convert_your_laser_pointer_to_AA_or_AAA/
Showing posts with label AAA. Show all posts
Showing posts with label AAA. Show all posts
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