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I would recommend around 200mw to see the beam and pop balloons (and light matches and cut tape and melt plastic, you get the idea) but anything above 5mw YOU NEED GLASSES FOR! it is extremely important! this has A good...

I may not be able to help very much, but I will try. what type? green? red? I don't think you can get a blue laser for $30. what do you plan on using it for?

Here are a few of the batteries I found on Illumn.com(all button top): 18650 KeepPower 3400mAh Panasonic NCR18650B Protected Button Top 18650 EagleTac 3400mAh NCR18650B Protected Button Top 18650 Nitecore NL189 3400mAH Button Top Protected 18650 Soshine 3400mAh Button Top Protected (2 pack)...

Thanks! how about these?$18.79 Panasonic NCR18650B Protected Rechargeable 3400mAh 3.7V 18650 Lithium Batteries 2-pack - authentic cells / 2-pack / overcharge + over-discharge protection at FastTech - Worldwide Free Shipping

i4 charger:$21.28 Nitecore I4 V2 Li-ion Ni-MH Ni-Cd Smart Battery Charger - 4-channel charger / version 2.0 at FastTech - Worldwide Free Shipping Sorry I hit post instead of preview.

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alright, will order for there then :) here is the shopping list: test load:http://laserpointerforums.com/f39/fs-selectable-test-load-up-3a-assembled-diy-kit-stock-63450.html host:Survival Laser C6 Host Assembly battery extension:Battery Extension Tube- Black Anodized Aluminum...

Thanks!

I'm planing on using a c6 host, so two 18650's should fit with this?http://laserpointerforums.com/f41/new-design-18650-battery-extension-tube-c6-s4-hosts-78450.html:thinking:

a 1W 445nm blue laser.

Thanks, and aaaaaahhhhhhh out of stock! :)

To make sure I didn't blow a component while soldering, I think? or is that something different? batteries like these Amazon.com: Two Panasonic NCR18650B 3.7V 3400mAh Rechargeable Li-ion Batteries QTY 2: Electronics but they would also need a charger. Thanks!

I'm finishing my first laser build and looking for parts. I have searched online and haven't been able to find a test load for an X-drive V6. I'm also looking for some good batteries. I get too many results when I search for 3.7V lithium-ion batteries. Any specific recommendations?:thanks:

where would I buy one? sounds less risky:)(the last time i did something DIY it fried my laser) Thanks again!

no, it has a dial to select the range.

Thanks!:). my multimeter does not have a MV setting. can I just use the DCV setting?(sorry, I looked it up, couldn't find anything)

will this test load work?

well, the driver is set at 1.8A if that's what you mean.

ok, double checking v-/v+ is input and LD-/LD+ is output? I have a heatsink for the diode but not for the driver, what type of heatsink do I need for it?

Thank you very much! :yh: