Testing a large LED COB.

These are very common on eBay at a low price considering that they have 112 LED chips on them. Although sometimes described as being 12/24V they have no current limiting and rely on the combined LED forward voltage to regulate the current. This means that at 12V they are already exceeding their stated power of 10W and as the voltage goes higher the current becomes excessive. If using on a vehicle supply I'd suggest adding a 5 ohm or 10 ohm resistor (rated 3 to 5W) to keep the current at sensible levels to maximise LED lifespan. Here's a general eBay listing that should find some:- https://www.ebay.com/sch/i.html?_from=R40&_sacat=0&LH_BIN=1&_nkw=1000lm+10w+led+strip&_sop=15 If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- http://www.bigclive.com/coffee.htm This also keeps the channel independent of YouTube's advertising algorithms allowing it to be a bit more dangerous and naughty.