To solve your problem, please disconnect everything and put it away for now. Learn something before you do something. Li-ion cells can be dangerous, especially cheap *** ones.
Slightly off topic, but has anyone ever opened these battery packs? I wonder if you can replace the cells inside. I have a cordless drill with these cells and a colleague of mine recently gave me a 'dead' battery pack. He used it for over 4 years which is a long time for intensive use of these...
Hi guys, haven't been here for a few years, feels good to be back and to see how fast the LED technology evolved :)
Camping season started, we've done a few trips already this year. Apart from headlamps we don't have much lighting gear on us, so I was thinking to make a simple lantern. As...
Congratulations Jason! I've been away from CPF for a long time, and now I'm most impressed by your work. Great website, good products, a lot of dedication to make a top quality product. I'd definitely buy one of your creations, but I think you need to work a bit on the design. For a custom made...
Eneloops are great batteries indeed. The only drawback I recently discovered, is that they can suffer in low temperatures. I recently moved to Sweden and with temps between -20 and -30 centigrades they seem to run out pretty fast. I guess other NiMH's will have the same problem though.
Here's the difference : Nominal voltage : 1.50 (alkaline); 1.55 (silver-oxide)
source:Wiki
I'll send you a PM with a link where you can buy them for dirt cheap.
That beamshot looks like coming from a smooth reflector. Unless you're doing something seriously wrong, there shouldn't be any donut holes when using a single die emitter, like this XP-G. Smooth reflectors can project some rings around the spot beam though. These rings get washed away when using...