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do you have protected batterys?.. because they give limit power try another batterys maybe it works

ohh haha solder negative wire to spring and positive to chrome case sorry BTW..

I have never heared of freshly charged cells blowing up a laser before. If you have a link to a thread please post because I would like to read it. there is no post but immediately after charging the battery has more power (a 3.7 volt battery has then 4.2 volt) and if it cant take more the...

just wire up your laser with 2 aa battery pack red wire (positive) to spring black wire (negative) to chrome/gold casing test it out :beer:

batterys

maybe your betterys had a blow out of power and then they blowed your laser.. but it can also be some other problem,

okey because if you use them immediately after charging you blow up your laser!! so don't.. contact the seller and maybe you get a new one :undecided:

dont set the focus point to infinity but make it so big as you can and then search for the focus point (make the focus point so close as possible)

did you use the batterys immediately after charging?

okey haha for the price i think it is the best:p

go o-like.com or yourlasers.com there are the best lasers and very very cheap :angel:

the best place for cheap powerfull lasers is Laser Pointers Store - Worldwide Free Shipping Offered For All Lasers :wave:

Hello sorry for bad english this is my first laser build i bought a aixiz housing phr803t sled lm317t 10 ohm resistor nice host:yh: should this driver work THANKS and how much mw output is this?