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Two XM-L direct driven with one 18650: Is it dangerous?
Thank you HKJ for your information. 10A is a lot! I would not be prepared to use my cell with more then 2C (or about 6A) current - even if it is only for the first few minutes with the voltage above 4V. Still have to try the IMR ...- mrradlos
- Post #8
- Forum: Smoke and Fire, Hot Cells and Close Calls
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M
Two XM-L direct driven with one 18650: Is it dangerous?
O.K. I just used my multimeter: 1. AW 2900 on the Table without anything connected: 4.14V difference between (+) and (-) side of the cell 2. AW 2900 in the light, light switched on: 3.44V difference between (+) and (-) side of the cell 3. I didn't measure the current as described before (number...- mrradlos
- Post #6
- Forum: Smoke and Fire, Hot Cells and Close Calls
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M
Two XM-L direct driven with one 18650: Is it dangerous?
Yes, there will probably be a big voltage drop on that clicky from what I read. The switch is the one build in the ultrafire 980L, bought at manafont.com. People measured current draws well over 4A in this torch with that switch. My light has been on very short intervals as the lighthead gets...- mrradlos
- Post #5
- Forum: Smoke and Fire, Hot Cells and Close Calls
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M
Two XM-L direct driven with one 18650: Is it dangerous?
I'm building a new bicycle light and obviously killed the cheap driver I bought for it. Now I wandered if I could direct drive the two Cree XM-L T6 wired in parallel from my AW 2900mAh protected cell without risking the cell to vent? The LED get very hot of course, but I think I could get rid of...- mrradlos
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- Forum: Smoke and Fire, Hot Cells and Close Calls
