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Hi I have a 100mw 650-658nm laser diode/with driver. And I hooked it up to a 3v battery pack and it worked. I wanted more power so o attached a 9v battery and nothing happened. I tried the old battery pack and it doesn't work. Is my laser dead.

I still want something cheap

I have 4.5 grand and I just want something cheap and chearful

Hello, i have a red 100mw 650-658 focus-able laser pointer that runs on a 6v battery supply. I am just wondering what type of laser goggles should i buy. i already wear glasses and i don't want my laser to make my eye sight even more bad then it is. PS Im 13 and i dont have alot of money to spend.

My laser diode comes with a drive. I asked the guy who sold it to me and he said "this listing includes ld driver housing two wires"

Its just the diode

----------------------------------------EDIT--------------------------------------------This is all the info the seller gave me. wavelength: 658nm ld in: Mitsubishi ld output: 100mw focusable: yes lens: plastic working voltage: 5VDC-6vdc working current: 200ma input + pole: red wire...

The laser diode is in the mail but i have a picture of it.

Hello everyone, I have purchased a red 100mw 650-658 focusable laser diode and i t says the current I need is 200mah. Honestly I don't even know what that means. The only baterys I have access to are normal batteries from companies like duracel,energizer and Panasonic.( AA,AAA,9V ect) . what...