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so for a 1W laser would i use 2 batteries for power or just 1 ?

ok the diode and driver i have say it works best at 1.25A now the batteries i have are 18650 3.7v li-ion batteries, the trustfire brand at a capacity of 3000mAh... so if 3000mAh is 3A its too powerful... buts thats just the capacity right? How many mAh are my 18650 3000mAh batteries actually...

Ok i have a few more questions! :P I might actually buy the m140 aswell! and use it! When I start i would solter the positive/negative wires to the diode(the correct places)... correct? then solter the other ends of the wires to the drive (the correct places aswell... correct? then i would add...

ive already got the diode posted above, would it still be alright to use? also the m140 diode. can it be used with the driver Ive already got ?

Hey guys I'm looking to create a 1W 445nm blue laser. Heres what i have. ---------------------------------------------------------- 1. 1W-2W Blue Laser Diode w/Lens 445nm 1w to 2w Blue Laser Diode W/ lens | eBay ---------------------------------------------------------- 2. 445 - 450nm 0.3 - 1W...